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Hu S, Jiang L, Jiang L, Tang L, Wickrama Arachchige AUK, Yu H, Deng Z, Li L, Wang C, Zhang D, Chen C, Lin S, Chen X, Zhang C. Spatial distribution characteristics of carbazole and polyhalogenated carbazoles in water column and sediments in the open Western Pacific Ocean. J Hazard Mater 2024; 469:133956. [PMID: 38460258 DOI: 10.1016/j.jhazmat.2024.133956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/20/2024] [Accepted: 03/03/2024] [Indexed: 03/11/2024]
Abstract
Polyhalogenated carbazoles (PHCZs), an emerging persistent halogenated organic pollutant, have been detected in the environment. However, our understanding of PHCZs in the ocean remains limited. In this study, 47 seawater samples (covering 50 - 4000 m) and sediment samples (49 surface and 3 cores) were collected to investigate the occurrence and spatial distribution patterns of carbazole and its halogenated derivants (CZDs) in the Western Pacific Ocean. In seawater, the detection frequencies of CZ (97.87%) and 3-CCZ (57.45%) were relatively high. In addition, the average concentration of ΣPHCZs in the upper water (< 150 m, 0.23 ± 0.21 ng/L) was significantly lower than that in the deep ocean (1000 - 4000 m, 0.65 ± 0.56 ng/L, P < 0.05), which may indicate the vertical transport of PHCZs in the marine environment. The concentration of ΣCZDs in surface sediment ranges from 0.46 to 6.48 ng/g (mean 1.54 ng/g), among which CZ and 36-CCZ were the predominant components. Results from sediment cores demonstrate a noteworthy negative correlation between the concentration of CZDs and depth, indicating the ongoing natural degradation process occurring in sediment cores over a long period. This study offers distinctive insights into the occurrence, composition, and vertical features of CZDs in oceanic environments.
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Affiliation(s)
- Songtao Hu
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan 316021, Zhejiang, China
| | - Lijia Jiang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan 316021, Zhejiang, China
| | - Lingbo Jiang
- Zhoushan Institute for Food and Drug Control, Zhoushan 316021, Zhejiang, China
| | - Leiming Tang
- Zhoushan Institute for Food and Drug Control, Zhoushan 316021, Zhejiang, China
| | | | - Hao Yu
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan 316021, Zhejiang, China
| | - Zhaochao Deng
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan 316021, Zhejiang, China; Ocean Research Center of Zhoushan, Zhejiang University, Zhoushan 316021, Zhejiang, China
| | - Longyu Li
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan 316021, Zhejiang, China
| | - Chunsheng Wang
- Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China
| | - Dongsheng Zhang
- Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China
| | - Chunlei Chen
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan 316021, Zhejiang, China
| | - Shiquan Lin
- Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China
| | - Xiang Chen
- Zhoushan Institute for Food and Drug Control, Zhoushan 316021, Zhejiang, China
| | - Chunfang Zhang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan 316021, Zhejiang, China.
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Tiano J, Witbaard R, Gerkema T, Soetaert K. Biogeochemical dynamics in a marine storm demonstrates differences between natural and anthropogenic impacts. Sci Rep 2024; 14:8802. [PMID: 38627480 PMCID: PMC11021396 DOI: 10.1038/s41598-024-59317-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 04/09/2024] [Indexed: 04/19/2024] Open
Abstract
This study explores the impact of a wind storm on sediment resuspension and marine biogeochemical dynamics. Additionally, the storm took place during an expedition researching bottom trawling, enabling the direct comparison of certain natural and fisheries-related disturbances. The storm was initiated by a decline in atmospheric pressure and a 2 h period of gale force winds, which was followed by over 40 h of elevated bottom currents. Storm induced turbidity, potentially a cumulative post-fishing impact, was remarkably higher compared to what was observed in a recent trawling event. Storm-induced mixing and movement of water masses led to decreased silicate and increased phosphate concentrations in the water column, accompanied by lower salinity and higher fluorescence. The erosion depth of the seabed averaged around 0.3 cm during the peak turbidity period. Trawl-induced erosion in the area has been measured at over twice that depth, and has been linked to intermittent reductions in near-bed oxygen levels. In contrast, storm-induced turbidity coincided with increased oxygen due to wave mixing, suggesting inherent differences in how trawling and storms can oxidize reduced substances. These findings suggest that storms have a greater regional impact, whereas the local impacts of bottom trawling on biogeochemistry can be more significant.
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Affiliation(s)
- Justin Tiano
- Wageningen Marine Research, Wageningen University & Research, IJmuiden, The Netherlands.
- Department of Estuarine and Delta Systems, Royal Netherlands Institute for Sea Research (NIOZ), Yerseke, The Netherlands.
| | - Rob Witbaard
- Department of Estuarine and Delta Systems, Royal Netherlands Institute for Sea Research (NIOZ), Yerseke, The Netherlands
| | - Theo Gerkema
- Department of Estuarine and Delta Systems, Royal Netherlands Institute for Sea Research (NIOZ), Yerseke, The Netherlands
| | - Karline Soetaert
- Department of Estuarine and Delta Systems, Royal Netherlands Institute for Sea Research (NIOZ), Yerseke, The Netherlands
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Antacli JC, Di Mauro R, Rimondino GN, Alurralde G, Schloss IR, González GA, Morales S, Ottero A, Vodopivez C. Microplastic pollution in waters of the Antarctic coastal environment of Potter Cove (25 de Mayo Island/King George Island, South Shetlands). Sci Total Environ 2024; 915:170155. [PMID: 38228241 DOI: 10.1016/j.scitotenv.2024.170155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 11/21/2023] [Accepted: 01/12/2024] [Indexed: 01/18/2024]
Abstract
Plastic pollution in the Southern Ocean around Antarctica is a growing concern, but many areas in this vast region remain unexplored. This study provides the first comprehensive analysis of marine microplastic (MPs) concentrations in Potter Cove, located near the Argentinian Carlini research station on 25 de Mayo/King George Island, Antarctica. Water samples were collected at 14 sites within the cove, representing various influences from the station's activities. Two sampling methods were used: a 5 L Niskin bottle and an in-situ filtering device called Microfilter, allowing for large water volumes to be filtered. MPs were found in 100 % of the samples. Microfilter samples ranged from 0.02 to 2.14 MPs/L, with a mean concentration of 0.44 ± 0.44 MPs/L. Niskin bottle samples showed concentrations from 0.40 to 55.67 MPs/L, with a mean concentration of 19.03 ± 18.21 MPs/L. The dominant types of MPs were anthropogenic black, transparent, and pink microfibers (MFs) measuring between 0.11 and 3.6 mm (Microfilter) and 0.06 to 7.96 mm (Niskin bottle), with a median length of 0.01 mm for both methods. Transparent and black irregular microfragments (MFRs) with diameters from 0.10 to 5.08 mm and a median diameter of 0.49 mm were also prevalent. FTIR-spectroscopy revealed the presence of 14 types of polymers. Cellulose-based materials and polyethylene terephthalate were the most abundant in MFs, while polyurethanes and styrene-based copolymers dominated in MFRs. MPs were more abundant near the Carlini station. Compared to other coastal Antarctic areas, the MPs in the cove were relatively abundant and mostly smaller than 1 mm. Local activities on the island were identified as the primary source of MPs in the cove, and the cyclonic water circulation likely affects the distribution of small-sized particles. To protect the ecosystem, reducing plastic usage, improving waste management, regulating MPs debris, and enhancing wastewater practices are essential.
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Affiliation(s)
- J C Antacli
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Ecología Marina, Av. Vélez Sarsfield 299, 5000 Córdoba, Argentina; Instituto de Diversidad y Ecología Animal (IDEA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Córdoba, Argentina.
| | - R Di Mauro
- Gabinete de Zooplancton, Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Paseo Victoria Ocampo N° 1, B7602HSA Mar del Plata, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - G N Rimondino
- Instituto de Investigaciones en Fisicoquímica de Córdoba (INFIQC), CONICET, Departamento de Físico-Química, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - G Alurralde
- Department of Environmental Science, Stockholm University, 10691 Stockholm, Sweden; Baltic Marine Environment Protection Commission HELCOM, Helsinki FI-00160, Finland
| | - I R Schloss
- Instituto Antártico Argentino, 25 de Mayo 1143, San Martín, Buenos Aires, Argentina; Centro Austral de Investigaciones Científicas (CADIC, CONICET), Bernardo Houssay 200, Ushuaia, Tierra del Fuego, Argentina; Universidad Nacional de Tierra del Fuego, Ushuaia, Tierra del Fuego, Argentina
| | - G A González
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Ecología Marina, Av. Vélez Sarsfield 299, 5000 Córdoba, Argentina; Instituto de Diversidad y Ecología Animal (IDEA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Córdoba, Argentina
| | - S Morales
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Ecología Marina, Av. Vélez Sarsfield 299, 5000 Córdoba, Argentina
| | - A Ottero
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Ecología Marina, Av. Vélez Sarsfield 299, 5000 Córdoba, Argentina
| | - C Vodopivez
- Instituto Antártico Argentino, 25 de Mayo 1143, San Martín, Buenos Aires, Argentina
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Abd Rahman NN, Mazlan N, Shukhairi SS, Nazahuddin MNA, Shawel AS, Harun H, Baktir A. Evaluation of the microplastics in bivalves and water column at Pantai Teluk Likas, North Borneo, Malaysia. Environ Sci Pollut Res Int 2024; 31:23178-23192. [PMID: 38418781 DOI: 10.1007/s11356-024-32628-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 02/20/2024] [Indexed: 03/02/2024]
Abstract
Microplastics (MPs) are a pervasive pollutant in the marine environment. Pantai Teluk Likas in Sabah, Malaysia is one of the most visited beaches where tourism, recreational, and fisheries activities are high in this area. Hence, the area suffers from severe pollution, particularly from plastics. This study aims to quantify the microplastic composition in terms of color, shapes, and polymer types in marine bivalves (Anadara granosa, Glauconome virens, and Meretrix lyrata) and water column samples from Pantai Teluk Likas. All samples were digested using sodium hydroxide (NaOH) and incubated in the oven for at least 48 h. Serial filtration was done for each sample before they were observed under the dissecting microscope. The microplastics were identified and counted based on their physical attributes which were colors and shapes. The functional group of the polymers was determined using FTIR spectroscopy. Microplastics were found present in all samples collected. G. virens had the highest abundance of microplastics at 113.6 ± 6.5 particles/g followed by M. lyrata at 78.4 ± 3.7 particles/g. On the contrary, A. granosa had the least microplastics with an abundance of 24.4 ± 0.6 particles/g. Meanwhile, 110.0 ± 36.2 particles/L of microplastics were found in water column samples from Pantai Teluk Likas. Based on the analysis, fibers were the most common shape in bivalves, while fibers and films were common in the water column. In terms of colors, black, blue, and red were a few of the most abundant colors observed in both samples. The most common polymer detected in all bivalve species and water column samples is polycarbonate (PC), followed by polymethyl methacrylate (PMMA). Future study that focuses on the correlation between microplastic abundance in the marine biota and the water column is recommended to better understand microplastic availability and exposure.
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Affiliation(s)
- Nur Nashrah Abd Rahman
- Borneo Marine Research Institute, Universiti Malaysia Sabah, Jalan UMS, 88400, Kota Kinabalu, Sabah, Malaysia
| | - Nurzafirah Mazlan
- Borneo Marine Research Institute, Universiti Malaysia Sabah, Jalan UMS, 88400, Kota Kinabalu, Sabah, Malaysia.
| | - Sarah Syazwani Shukhairi
- Borneo Marine Research Institute, Universiti Malaysia Sabah, Jalan UMS, 88400, Kota Kinabalu, Sabah, Malaysia
| | | | - Amir Syazwan Shawel
- Borneo Marine Research Institute, Universiti Malaysia Sabah, Jalan UMS, 88400, Kota Kinabalu, Sabah, Malaysia
| | - Haniza Harun
- Faculty of Health and Life Sciences, Management and Science University, Seksyen 13, 44100, Shah Alam, Malaysia
| | - Afaf Baktir
- Faculty of Science and Technology, Campus Merr C, Universitas Airlangga, Jl. Dr. Ir. H. Soekarno Mulyorejo, Surabaya, 60115, Indonesia
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Lefebvre C, Le Bihanic F, Jalón-Rojas I, Dusacre E, Chassaigne-Viscaïno L, Bichon J, Clérandeau C, Morin B, Lecomte S, Cachot J. Spatial distribution of anthropogenic particles and microplastics in a meso-tidal lagoon (Arcachon Bay, France): A multi-compartment approach. Sci Total Environ 2023; 898:165460. [PMID: 37454851 DOI: 10.1016/j.scitotenv.2023.165460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 07/07/2023] [Accepted: 07/08/2023] [Indexed: 07/18/2023]
Abstract
Assessment of microplastic (MP) contamination is still needed to evaluate this threat correctly and tackle this issue. Here, MP contamination was assessed for a meso-tidal lagoon of the Atlantic coast (Arcachon Bay, France). Sea surface, water column, intertidal sediments and wild oysters were sampled. Five different stations were studied to assess the spatial distribution of the contamination. Two were outside of the bay and three were inside the bay (from the inlet to the back). A distinction was made between all anthropogenic particles (AP, i.e. visually sorted) and MP (i.e. plastic polymer confirmed by ATR-FTIR spectroscopy). The length of particles recovered in this study ranged between 17 μm and 5 mm. Concentration and composition in sea surface and water column samples showed spatial variations while sediment and oyster samples did not. At outside stations, the sea surface and the water column presented a blended composition regarding shapes and polymers and low to high concentrations (e.g. 0.16 ± 0.08 MP.m-3 and 561.7 ± 68.5 MP.m-3, respectively for sea surface and water column), which can be due to coastal processes and nearby input sources. The inlet station displayed a well-marked pattern only at the sea surface. High AP and MP concentrations were recorded, and fragments along with polyethylene overwhelmed (respectively 76.0 % and 73.2 %). Higher surface currents could explain this pattern. At the bay back, AP and MP concentrations were lower and fibers were mainly recorded. Weaker hydrodynamics in this area was suspected to drive this contamination profile. Overall, fragments and buoyant particles were mainly detected at the sea surface while fibers and negatively buoyant particles prevailed in other compartments. Most of the studied samples presented an important contribution of fiber-shaped particles (from 31.5 % to 94.2 %). Finally, contamination was ubiquitous as AP and MP were found at all stations in all sample types.
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Affiliation(s)
- Charlotte Lefebvre
- Univ. Bordeaux, CNRS, Bordeaux INP, EPOC, UMR 5805, F-33600 Pessac, France; Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, F-33600 Pessac, France.
| | - Florane Le Bihanic
- Univ. Bordeaux, CNRS, Bordeaux INP, EPOC, UMR 5805, F-33600 Pessac, France
| | - Isabel Jalón-Rojas
- Univ. Bordeaux, CNRS, Bordeaux INP, EPOC, UMR 5805, F-33600 Pessac, France
| | - Edgar Dusacre
- Univ. Bordeaux, CNRS, Bordeaux INP, EPOC, UMR 5805, F-33600 Pessac, France
| | | | - Jeyan Bichon
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, F-33600 Pessac, France
| | | | - Bénédicte Morin
- Univ. Bordeaux, CNRS, Bordeaux INP, EPOC, UMR 5805, F-33600 Pessac, France
| | - Sophie Lecomte
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, F-33600 Pessac, France
| | - Jérôme Cachot
- Univ. Bordeaux, CNRS, Bordeaux INP, EPOC, UMR 5805, F-33600 Pessac, France.
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Pasquier G, Doyen P, Dehaut A, Veillet G, Duflos G, Amara R. Vertical distribution of microplastics in a river water column using an innovative sampling method. Environ Monit Assess 2023; 195:1302. [PMID: 37828146 DOI: 10.1007/s10661-023-11915-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 09/28/2023] [Indexed: 10/14/2023]
Abstract
Due to limitations of sampling methods, subsurface water is usually a less well-investigated compartment of the water column when scientists assess microplastic contamination. In this study, microplastic (MP) contamination was assessed in a freshwater river both in surface and subsurface using an innovative sampling method. Microplastic contamination in the lower part of the water column, i.e., near-bottom water and in sediments, was also studied. Three sampling campaigns were carried out during different weather conditions: stormy, rainy, and dry in order to observe their influence on the microplastics vertical distribution. No significant difference was observed between the abundance and types of MPs in surface and subsurface water. The proportion of polymer with theoretical density < 1 (polypropylene d = 0.9, polyethylene d = 0.91-0.95) and polystyrene (d = 0.1-1.06) in the surface and subsurface samples was 73.5%, and this proportion drops to 40.8% for the samples located in the near-bottom water and the sediments. Our results indicate that the MP concentration of the different compartments analyzed can be significantly influenced by rainfall during and prior to the sampling day. This study highlights that in shallow rivers, surface water sampling is representative of the water column MP contamination, but that sampling without taking environmental conditions into account may lead to erroneous estimation of MPs concentration and flux entering the marine environment.
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Affiliation(s)
- Gabriel Pasquier
- Univ. Littoral Côte d'Opale, CNRS, IRD, Univ. Lille, UMR 8187-LOG-Laboratoire d'Océanologie et de Géosciences, F-62930, Wimereux, France.
| | - Périne Doyen
- Univ. Littoral Côte d'Opale, UMRt 1158 BioEcoAgro, USC ANSES, INRAe, Univ. Artois, Univ. Lille, Univ. Picardie Jules Verne, Univ. Liège, Junia, 62200, Boulogne-Sur-Mer, France
| | - Alexandre Dehaut
- ANSES-Laboratoire de Sécurité des Aliments, Boulevard du Bassin Napoléon, F-62200, Boulogne-Sur-Mer, France
| | - Guillaume Veillet
- Univ. Littoral Côte d'Opale, CNRS, IRD, Univ. Lille, UMR 8187-LOG-Laboratoire d'Océanologie et de Géosciences, F-62930, Wimereux, France
| | - Guillaume Duflos
- ANSES-Laboratoire de Sécurité des Aliments, Boulevard du Bassin Napoléon, F-62200, Boulogne-Sur-Mer, France
| | - Rachid Amara
- Univ. Littoral Côte d'Opale, CNRS, IRD, Univ. Lille, UMR 8187-LOG-Laboratoire d'Océanologie et de Géosciences, F-62930, Wimereux, France
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Jeannin C, Perrier P. Pressure sensor calibration using a water-filled latex finger to account for the mechanical interaction between the hard palate and the deformable human tongue. Med Eng Phys 2023; 120:104036. [PMID: 37838410 DOI: 10.1016/j.medengphy.2023.104036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 07/31/2023] [Accepted: 08/06/2023] [Indexed: 10/16/2023]
Abstract
We present a calibration system called Dried Water Column (DWC). It applies pressure on a sensor with a latex finger filled with water, which pressure is controlled with a water column. This is intended to mimic the way the deformable tongue mechanically interacts with the hard palate. We show that, once some specificities of the elastic/plastic behavior of the latex finger are taken into account, namely the softening due to Mullins Effect and the non-elastic deformation occurring above a certain pressure level, the DWC provides a reliable measure of the linear relation between the pressure and the output voltage of the sensor within the limited pressure range [0, 2.5 kPa]. Such a precise calibration would not be possible with a rigid actuator, which position on the sensor can dramatically influence the measures. Extrapolating the linear relationship thus determined to a larger pressure range compatible with speech production and swallowing ([0, 35 kPa]), is possible once it has been verified that the behavior of the sensor is linear over this pressure range. This can be done with any rigid or semi rigid actuator. This reliable calibration procedure can be easily reproduced in any laboratory, and can be applied to any pressure sensor.
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Affiliation(s)
- Christophe Jeannin
- Laboratoire des Multimatériaux et Interfaces (LMI), UMR CNRS 5615, Université Claude Bernard Lyon 1, Villeurbanne, France; Hospices Civils de Lyon, Lyon, France.
| | - Pascal Perrier
- Université Grenoble Alpes, CNRS, Grenoble INP, GIPSA-lab, 38000, Grenoble, France
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Alegría-Gómez J, Castañón-González JH, Hernández-García JA, González-Terreros E, Velázquez-Ríos IO, Ruíz-Valdiviezo VM. Changes in the abundance and diversity of bacterial and archaeal communities at different depths in a eutrophic freshwater lake in southwestern Mexico. Environ Sci Pollut Res Int 2023; 30:98362-98376. [PMID: 37606782 DOI: 10.1007/s11356-023-29380-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 08/14/2023] [Indexed: 08/23/2023]
Abstract
Bacteria and archaea play a fundamental role in the biogeochemical cycles of organic matter, pollutants, and nutrients to maintain the trophic state of aquatic ecosystems. However, very little is known about the composition patterns of microbial communities in vertical distribution (water column) in freshwater lakes and their relationship with the physicochemical properties of water. "La Encantada" lake in the Lagunas de Montebello National Park (LMNP) is a site of interest due to the anthropogenic impact received and the little information about it. In this study, 3 sites were evaluated; samples were collected using 0-15 m deep water columns and analyzed using Illumina MiSeq sequencing technology based on the 16S rRNA gene. The physical parameters of pH, temperature, dissolved oxygen, electrolytic conductivity, and PO-4 were determined. The results revealed clear differences in the microbial composition of the water throughout the column; the most abundant phyla in bacterial communities were Proteobacteria (23.2%), Cyanobacteria (17.3%), and Bacteroidetes (17.2%), and for archaea were Crenarchaeota (35.9%) and Euryarchaeota (33.2%). PICRUSt metabolic inference analysis revealed that the main functional genes were related to cellular processes and biodegradation of xenobiotics, indicating an increasing trend of contaminants and residual discharges that may act as a precursor to alter microbial communities and stability of the lakes. At depths of 10 and 15 m, the microbial diversity was greater; likewise, the correlation between the physicochemical parameters and the microbial communities at the genus level showed that Chlorobaculum, Desulfomonile, and Candidatus Xiphinematobacter were favored by an increase in dissolved phosphates and by the decrease in pH and temperature. These results highlight that the microbial communities exhibit variation in their composition due to the effect of depth and physicochemical parameters, which could play a role as biological factors in the trophic states of a lake.
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Affiliation(s)
- Josué Alegría-Gómez
- Laboratorio de Biología Molecular, Tecnológico Nacional de México/IT de Tuxtla Gutiérrez, Tuxtla Gutiérrez, Chiapas, Mexico
| | | | - Juan Alfredo Hernández-García
- Laboratorio de Biología Molecular de Bacterias y Levaduras, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Mexico City, IPN, Mexico
| | - Elizabeth González-Terreros
- Laboratorio de Instrumentación, Instituto de Estudios Ambientales, Universidad de la Sierra Juárez, Ixtlán de Juárez, Oaxaca, Mexico
| | - Irving Oswaldo Velázquez-Ríos
- Laboratorio de Biología Molecular, Tecnológico Nacional de México/IT de Tuxtla Gutiérrez, Tuxtla Gutiérrez, Chiapas, Mexico
| | - Víctor Manuel Ruíz-Valdiviezo
- Laboratorio de Biología Molecular, Tecnológico Nacional de México/IT de Tuxtla Gutiérrez, Tuxtla Gutiérrez, Chiapas, Mexico.
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Tang CN, Kuwahara VS, Leong SCY, Moh PY, Yoshida T. Effect of monsoon on microplastic bioavailability and ingestion by zooplankton in tropical coastal waters of Sabah. Mar Pollut Bull 2023; 193:115182. [PMID: 37352797 DOI: 10.1016/j.marpolbul.2023.115182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/07/2023] [Accepted: 06/13/2023] [Indexed: 06/25/2023]
Abstract
Plankton seasonality in tropical coastal waters is becoming more apparent as a result of monsoon-driven changes in environmental conditions, but research on the monsoonal variation of microplastics (MP) is still limited. We examined the monsoonal variation of MP in the water column and their ingestion by zooplankton in Sepanggar Bay, Sabah, Malaysia. MP concentrations were significantly higher during the Southwest monsoon whereas MP ingestions showed no monsoonal difference across major zooplankton taxa. Canonical Correspondence Analysis (CCA) and Generalized Additive Models (GAM) indicate that MP concentrations were driven by changes in rainfall and salinity while MP bioavailability to zooplankton was consistent regardless of monsoon. MP ingestion increased progressively up the planktonic food chain, and bioavailability of fibers and small-sized MP of high-density polymers to zooplankton was proportionately higher. Distinct changes in the MP concentration relative to the monsoons provide new insights into the seasonal variation of MP in tropical coastal ecosystems.
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Affiliation(s)
- Chung Ngo Tang
- Unit for Harmful Algal Bloom Studies, Borneo Marine Research Institute, Universiti Malaysia Sabah, 88400 Kota Kinabalu, Sabah, Malaysia
| | - Victor S Kuwahara
- Graduate School of Engineering, Soka University, 1-236 Tangi-machi, Hachioji-shi, Tokyo 192-8577, Japan
| | - Sandric Chee Yew Leong
- St. John's Island National Marine Laboratory, Tropical Marine Science Institute, National University of Singapore, 18 Kent Ridge Rd, Singapore 119227, Singapore
| | - Pak Yan Moh
- Water Research Unit, Faculty of Science and Natural Resources, Universiti Malaysia Sabah, 88400 Kota Kinabalu, Sabah, Malaysia
| | - Teruaki Yoshida
- Unit for Harmful Algal Bloom Studies, Borneo Marine Research Institute, Universiti Malaysia Sabah, 88400 Kota Kinabalu, Sabah, Malaysia.
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10
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Wei N, Bai M, Wang Y, Wang J, Liu K, Zhu L, Zhang F, Wang X, Wu T, Zhang Z, Li C, Wu H, Song Z, Jiang P, Li D. Dynamic signatures of microplastic distribution across the water column of Yangtze River Estuary: Complicated implication of tidal effects. Mar Environ Res 2023:106005. [PMID: 37156673 DOI: 10.1016/j.marenvres.2023.106005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 04/13/2023] [Accepted: 04/25/2023] [Indexed: 05/10/2023]
Abstract
Riverine microplastic (MP) discharge into the ocean contributes greatly to global MP contamination, yet our understanding of this process remains primitive. To deepen our interpretation of the dynamic MP variation throughout the estuarine water columns, we sampled at Xuliujing, the saltwater intrusion node of the Yangtze River Estuary, over the course of ebb and flood tides in four seasons (July and October 2017, January and May 2018 respectively). We observed that the collision of downstream and upstream currents contributed to the high MP concentration and that the mean MP abundance fluctuated with the tide. A model of microplastics residual net flux (MPRF-MODEL), taking the seasonal abundance and vertical distribution of MP along with current velocity into consideration, was developed to predict the net flux of MP throughout the full water columns. 2154 ± 359.7 t/year of MP was estimated to flow into the East China Sea via the River in 2017-2018. Our study suggests that riverine MP flux can be overestimated due to reciprocating current carried MP from the estuary. Using the tidal and seasonal variation in MP distribution, we calculated the tide impact factor index (TIFI) for the Yangtze River Estuary to be between 38.11% and 58.05%. In summary, this study provides a baseline of MP flux research in the Yangtze River for similar tidal-controlled rivers and a contextual understanding of how to appropriately sample and accurately estimate in a dynamic estuary system. The redistribution of microplastics may be impacted by complex tide processes. Although not observed in this study, it may merit investigation.
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Affiliation(s)
- Nian Wei
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China; Institute of Plastic Recycling and Innovation, 500 Dongchuan Road, Shanghai, 200241, China
| | - Mengyu Bai
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China; Institute of Plastic Recycling and Innovation, 500 Dongchuan Road, Shanghai, 200241, China
| | - Yihe Wang
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
| | - Jinzhao Wang
- The University of Sheffield, Western Bank, Sheffield, S10 2TN, UK
| | - Kai Liu
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China; Institute of Plastic Recycling and Innovation, 500 Dongchuan Road, Shanghai, 200241, China
| | - Lixin Zhu
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China; Institute of Plastic Recycling and Innovation, 500 Dongchuan Road, Shanghai, 200241, China
| | - Feng Zhang
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China; Institute of Plastic Recycling and Innovation, 500 Dongchuan Road, Shanghai, 200241, China
| | - Xiaohui Wang
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China; Institute of Plastic Recycling and Innovation, 500 Dongchuan Road, Shanghai, 200241, China
| | - Tianning Wu
- Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC, 27695, USA
| | - Zhiwei Zhang
- School of Oceanography, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Changjun Li
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China; Institute of Plastic Recycling and Innovation, 500 Dongchuan Road, Shanghai, 200241, China
| | - Hui Wu
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
| | - Zhangyu Song
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China; Institute of Plastic Recycling and Innovation, 500 Dongchuan Road, Shanghai, 200241, China
| | - Peilin Jiang
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
| | - Daoji Li
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai, 200241, China; Institute of Plastic Recycling and Innovation, 500 Dongchuan Road, Shanghai, 200241, China.
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11
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Gallitelli L, Di Lollo G, Adduce C, Maggi MR, Trombetta B, Scalici M. Aquatic plants entrap different size of plastics in indoor flume experiments. Sci Total Environ 2023; 863:161051. [PMID: 36549519 DOI: 10.1016/j.scitotenv.2022.161051] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 12/03/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
Plastics accumulate in the environment affecting biota and ecosystems. Although rivers are vectors of land-based plastics to the sea, macroplastics and microplastics in rivers are recently studied. Most studies focused on floating plastic transport to the sea through rivers considering only abiotic hydromorphological factors. In this view, among biotic factors, vegetation has recently been found to entrap plastics. Indeed, the role of vegetation is pivotal in affecting riverine plastic transport. While marine vegetation blocking plastics has been studied, research in freshwater ecosystems is neglected. Since hydrological factors have a pivotal role in riverine plastic transport and few is known on plant entrapment, the interaction between hydrological variables and plastic entrapment by vegetation has not yet been investigated. Given that the composition, transport, and fate of "submerged" plastics in the water column are neglected, we aimed at investigating the behaviour of plants in entrapping plastics within a specific laboratory flume tank. Specifically, we assessed whether (i) aquatic plants block different plastic sizes within the water column and (ii) different factors (e.g. water level, density of plants) affect plastic entrapment. Our results showed that, according to plant density, the higher the plant density the higher the entrapment of plastics by plants - independently of plastic size. Considering the water level, macro-, meso-, and microplastics were trapped similarly. Moreover, Potamogeton crispus blocked fewer microplastics compared with Myriophyllum spicatum. Our results might have impact as plants acted as temporary plastic trappers and can be used as tools for mitigating plastic pollution. Future research might investigate if this laboratory approach can be applied in field for recollecting plastics and consequently mitigating the problem. In conclusion, good management of plants in watercourses, canals, and rivers should be ideal for enhancing river functionality and ecosystem services for human well-being (i.e. the plastic entrapment service by plants).
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Affiliation(s)
- L Gallitelli
- Department of Sciences, Roma Tre University, Viale G. Marconi 446, 00146 Rome, Italy.
| | - G Di Lollo
- Department of Engineering, Roma Tre University, Via Vito Volterra 62, 00146 Rome, Italy
| | - C Adduce
- Department of Engineering, Roma Tre University, Via Vito Volterra 62, 00146 Rome, Italy
| | - M R Maggi
- Department of Engineering, Roma Tre University, Via Vito Volterra 62, 00146 Rome, Italy
| | - B Trombetta
- Department of Sciences, Roma Tre University, Viale G. Marconi 446, 00146 Rome, Italy
| | - M Scalici
- Department of Sciences, Roma Tre University, Viale G. Marconi 446, 00146 Rome, Italy
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12
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Lofty J, Ouro P, Wilson CAME. Microplastics in the riverine environment: Meta-analysis and quality criteria for developing robust field sampling procedures. Sci Total Environ 2023; 863:160893. [PMID: 36516921 DOI: 10.1016/j.scitotenv.2022.160893] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/29/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
Current sampling approaches for quantifying microplastics (MP) in the riverine water column and riverbed are unstandardised and fail to document key river properties that impact on the hydrodynamic and transport processes of MP particles, hindering our understanding of MP behaviour in riverine systems. Using ten criteria based on the reportage of the catchment area, river characteristics of sampling sites and approach, we reviewed the sampling procedures employed in 36 field-based river studies that quantify MP presence in the water column and benthic sediment. Our results showed that a limited number of studies conducted reliable sampling procedures in accordance with the proposed quality criteria, with 35 of the 36 studies receiving a score of zero for at least one criterion, indicating the omission of critical information relating to the study's sample size and the physical and hydraulic characteristics of the sampled river. On the other hand, a good number of studies adequately documented the spatial information of the sampling sites, the vertical location of sample collection, and sampling equipment used. An idealised MP sampling approach is presented to ensure that future studies are harmonised and variables underpinning MP transport in rivers are reported. In addition, a meta-analysis on MP particle characteristics from these studies found that concentrations in the riverine water column and benthic sediment are highly variable, varying by five and seven orders of magnitude respectively, and are heavily dependent on the sampling equipment used. Polypropylene (PP), polyethene, (PE), polystyrene (PS), polyethylene terephthalate (PET) and polyvinyl chloride (PVC) were the most frequently reported MP polymers, while irregular-shaped particles, fibres, spheres, and films were the most commonly reported shapes in the river studies. These results highlight the urgent need to standardise sampling procedures and include key contextual information to improve our understanding of MP behaviour and transport in the freshwater environment.
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Affiliation(s)
- J Lofty
- Hydro-Environmental Research Centre, School of Engineering, Cardiff University, Cardiff CF24 3AA, Wales, UK
| | - P Ouro
- School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK
| | - C A M E Wilson
- Hydro-Environmental Research Centre, School of Engineering, Cardiff University, Cardiff CF24 3AA, Wales, UK.
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13
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Pearce NJT, Larson JH, Evans MA, Bailey SW, Frost PC, James WF, Xenopoulos MA. Dissolved organic matter transformations in a freshwater rivermouth. Biogeochemistry 2023; 163:245-263. [PMID: 37155460 PMCID: PMC10121504 DOI: 10.1007/s10533-022-01000-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 11/18/2022] [Indexed: 05/10/2023]
Abstract
River-to-lake transitional areas are biogeochemically active ecosystems that can alter the amount and composition of dissolved organic matter (DOM) as it moves through the aquatic continuum. However, few studies have directly measured carbon processing and assessed the carbon budget of freshwater rivermouths. We compiled measurements of dissolved organic carbon (DOC) and DOM in several water column (light and dark) and sediment incubation experiments conducted in the mouth of the Fox river (Fox rivermouth) upstream from Green Bay, Lake Michigan. Despite variation in the direction of DOC fluxes from sediments, we found that the Fox rivermouth was a net sink of DOC where water column DOC mineralization outweighed the release of DOC from sediments at the rivermouth scale. Although we found DOM composition also changed during our experiments, alterations in DOM optical properties were largely independent of the direction of sediment DOC fluxes. We found a consistent decrease in humic-like and fulvic-like terrestrial DOM and a consistent increase in the overall microbial composition of rivermouth DOM during our incubations. Moreover, greater ambient total dissolved phosphorus concentrations were positively associated with the consumption of terrestrial humic-like, microbial protein-like, and more recently derived DOM but had no effect on bulk DOC in the water column. Unexplained variation indicates that other environmental controls and water column processes affect the processing of DOM in this rivermouth. Nonetheless, the Fox rivermouth appears capable of substantial DOM transformation with implications for the composition of DOM entering Lake Michigan. Supplementary Information The online version contains supplementary material available at 10.1007/s10533-022-01000-z.
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Affiliation(s)
| | - James H. Larson
- Upper Midwest Environmental Sciences Center, U.S. Geological Survey, La Crosse, WI USA
| | - Mary Anne Evans
- Great Lakes Science Center, U.S. Geological Survey, Ann Arbor, MI USA
| | - Sean W. Bailey
- Upper Midwest Environmental Sciences Center, U.S. Geological Survey, La Crosse, WI USA
| | - Paul C. Frost
- Department of Biology, Trent University, Peterborough, ON Canada
| | - William F. James
- Discovery Center, Center for Limnological Research and Rehabilitation, University of Wisconsin Stout, Menomonie, WI USA
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14
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Unnikrishnan V, Valsan G, Amrutha K, Sebastian JG, Rangel-Buitrago N, Khaleel R, Chandran T, Reshma SR, Warrier AK. A baseline study of microplastic pollution in a Southern Indian Estuary. Mar Pollut Bull 2023; 186:114468. [PMID: 36516607 DOI: 10.1016/j.marpolbul.2022.114468] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 10/19/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Knowledge on the processes controlling the vertical distribution of microplastics (MPs) in estuaries is less. This research was carried out to determine the MP distribution in the surface, middle, and bottom layers of the Udyavara River Estuary in southwest India. The mean (± standard deviation) concentrations were 320.83 (± 98.30), 514.55 (± 352.16), and 755.03 (± 400.96) particles/m3, respectively. Fibres, films, and fragments dominated, and 57 % of the MPs had a size range of 0.3-1 mm, while 43 % had a size of 1-5 mm. The main polymers were high-density polyethylene and polyethylene terephthalate. A positive correlation (r = 0.421, p = 0.0205, n = 30) exists between the MPs and salinity, suggesting that the MPs are held by dense saline waters. The mean pollution load index value was 2.25 indicating severe pollution. Microplastic pollution is due to harbour, fishing, industrial activities, the effects of southwest monsoon rain, and tidal currents.
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Affiliation(s)
- Vishnu Unnikrishnan
- Department of Civil Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Gokul Valsan
- Department of Civil Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - K Amrutha
- Department of Civil Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Joju George Sebastian
- Department of Civil Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Nelson Rangel-Buitrago
- Programa de Física, Facultad de Ciencias Básicas, Universidad del Atlántico, Puerto Colombia, Atlántico, Colombia; Programa de Biologia, Facultad de Ciencias Básicas, Universidad del Atlántico, Puerto Colombia, Atlántico, Colombia
| | - Rizwan Khaleel
- Department of Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Thara Chandran
- Nitte (Deemed to be University), AB Shetty Memorial Institute of Dental Sciences (ABSMIDS), Department of Public Health Dentistry, Mangalore 574199, Karnataka, India
| | - S R Reshma
- Department of Geology, Central University of Karnataka, Kadaganchi, Kalaburagi 585367, Karnataka, India
| | - Anish Kumar Warrier
- Department of Civil Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India; Centre for Climate Studies, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India.
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15
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Aydın F, Albay M. Accumulation of organochlorine pesticide (OCP) residues in surface water and sediment from the İznik Lake in Turkey. Environ Monit Assess 2022; 194:872. [PMID: 36227381 DOI: 10.1007/s10661-022-10505-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
This study was carried out to evaluate organochlorinated pesticide (OCPs) concentrations in the water column and sediments of İznik Lake. Water samples and sediment were collected in different regions (six sampling sites) of the lake between January and December 2019 and tested for OCPs by gas chromatography-mass spectrometry (GC-MS). The results revealed that OCP residues throughout the sites varied depending on the anthropogenic activities of the region. OCPs detected in surface waters ranged from 0.01 to 60.80 μg/L and sediments from 0.06 to 14.21 ng/g dw. Endrin ketone, endrin aldehyde, endosulfan II, endrin, heptachlor epoxy, beta-BHC, gamma-BHC, ppDDD, and ppDDT concentrations exceeded the maximum residue limits indicated by the World Health Organization (WHO) for surface waters. Of the 18 analyzed OCP components, 17 were detected in sediment samples, and it was noted that they reached the highest concentration in summer. The presence of relatively high OCP levels according to WHO regulations in the waters of İznik Lake, around which agricultural activities have been increasing rapidly in recent years, is a serious concern, and therefore, appropriate actions should be taken into consideration by the regulatory authorities.
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Affiliation(s)
- Fatih Aydın
- Faculty of Aquatic Sciences, Department of Marine and Freshwater Resources Management, Istanbul University, Istanbul, 34130, Turkey.
| | - Meriç Albay
- Faculty of Aquatic Sciences, Department of Marine and Freshwater Resources Management, Istanbul University, Istanbul, 34130, Turkey
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16
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Vaksmaa A, Egger M, Lüke C, Martins PD, Rosselli R, Asbun AA, Niemann H. Microbial communities on plastic particles in surface waters differ from subsurface waters of the North Pacific Subtropical Gyre. Mar Pollut Bull 2022; 182:113949. [PMID: 35932724 DOI: 10.1016/j.marpolbul.2022.113949] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/08/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
The long-term fate of plastics in the ocean and their interactions with marine microorganisms remain poorly understood. In particular, the role of sinking plastic particles as a transport vector for surface microbes towards the deep sea has not been investigated. Here, we present the first data on the composition of microbial communities on floating and suspended plastic particles recovered from the surface to the bathypelagic water column (0-2000 m water depth) of the North Pacific Subtropical Gyre. Microbial community composition of suspended plastic particles differed from that of plastic particles afloat at the sea surface. However, in both compartments, a diversity of hydrocarbon-degrading bacteria was identified. These findings indicate that microbial community members initially present on floating plastics are quickly replaced by microorganisms acquired from deeper water layers, thus suggesting a limited efficiency of sinking plastic particles to vertically transport microorganisms in the North Pacific Subtropical Gyre.
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Affiliation(s)
- Annika Vaksmaa
- Department of Marine Microbiology & Biogeochemistry, NIOZ Royal Netherlands Institute for Sea Research, 't Horntje, the Netherlands.
| | - Matthias Egger
- The Ocean Cleanup, Rotterdam, the Netherlands; Egger Research and Consulting, St. Gallen, Switzerland
| | - Claudia Lüke
- Radboud University, Department of Microbiology, Nijmegen, the Netherlands
| | | | - Riccardo Rosselli
- Departamento de Fisiología, Genética y Microbiología, Facultad de Ciencias, Universidad de Alicante, Spain; LABAQUA S.A.U, C/Dracma 16-18, Pol. Ind. Las Atalayas, 03114 Alicante, Spain
| | - Alejandro Abdala Asbun
- Department of Marine Microbiology & Biogeochemistry, NIOZ Royal Netherlands Institute for Sea Research, 't Horntje, the Netherlands
| | - Helge Niemann
- Department of Marine Microbiology & Biogeochemistry, NIOZ Royal Netherlands Institute for Sea Research, 't Horntje, the Netherlands; Department of Earth Sciences, Faculty of Geosciences, Utrecht University, Utrecht, the Netherlands
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17
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Di Mauro R, Castillo S, Pérez A, Iachetti CM, Silva L, Tomba JP, Chiesa IL. Anthropogenic microfibers are highly abundant at the Burdwood Bank seamount, a protected sub-Antarctic environment in the Southwestern Atlantic Ocean. Environ Pollut 2022; 306:119364. [PMID: 35489539 DOI: 10.1016/j.envpol.2022.119364] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 04/22/2022] [Accepted: 04/24/2022] [Indexed: 06/14/2023]
Abstract
Microplastics debris in the marine environment have been widely studied across the globe. Within these particles, the most abundant and prevalent type in the oceans are anthropogenic microfibers (MFs), although they have been historically overlooked mostly due to methodological constraints. MFs are currently considered omnipresent in natural environments, however, contrary to the Northern Hemisphere, data on their abundance and distribution in Southern Oceans ecosystems are still scarce, in particular for sub-Antarctic regions. Using Niskin bottles we've explored microfibers abundance and distribution in the water column (3-2450 m depth) at the Burdwood Bank (BB), a seamount located at the southern extreme of the Patagonian shelf, in the Southwestern Atlantic Ocean. The MFs detected from filtered water samples were photographed and measured using ImageJ software, to estimate length, width, and the projected surface area of each particle. Our results indicate that small pieces of fibers are widespread in the water column at the BB (mean of 17.4 ± 12.6 MFs.L-1), from which, 10.6 ± 5.3 MFs.L-1 were at the surface (3-10 m depth), 20 ± 9 MFs.L-1 in intermediate waters (41-97 m), 24.6 ± 17.3 MFs.L-1 in deeper waters (102-164 m), and 9.2 ± 5.3 MFs.L-1 within the slope break of the seamount. Approximately 76.1% of the MFs were composed of Polyethylene terephthalate, and the abundance was dominated by the size fraction from 0.1 to 0.3 mm of length. Given the high relative abundance of small and aged MFs, and the oceanographic complexity of the study area, we postulate that MFs are most likely transported to the BB via the Antarctic Circumpolar Current. Our findings imply that this sub-Antarctic protected ecosystem is highly exposed to microplastic pollution, and this threat could be spreading towards the highly productive waters, north of the study area.
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Affiliation(s)
- Rosana Di Mauro
- Gabinete de Zooplancton, Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Mar del Plata, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Santiago Castillo
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Ecología Marina, Córdoba, Argentina; Instituto Multidisciplinario de Biología Vegetal (CONICET - Universidad Nacional de Córdoba), Córdoba, Argentina
| | - Analía Pérez
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina; Laboratorio de Invertebrados Marinos, CCNA, Universidad Maimónides-CONICET, CABA, Argentina
| | - Clara M Iachetti
- Universidad Nacional de Tierra del Fuego (UNTdF), Ushuaia, Argentina
| | - Leonel Silva
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina; Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA-CONICET), Mar del Plata, Argentina
| | - Juan P Tomba
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina; Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA-CONICET), Mar del Plata, Argentina
| | - Ignacio L Chiesa
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina; Laboratorio de Crustáceos y Ecosistemas Costeros (CADIC-CONICET), Ushuaia, Argentina. Bernardo Houssay 200, Ushuaia, V9410CAB, Argentina.
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18
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Liu Q, Chen Y, Liu C, Wei H, Wang Y, Zhou J, Lv W. Migration and transformation of phosphorus in sediment-water system in storm and sewage sewers. Environ Sci Pollut Res Int 2022; 29:50085-50095. [PMID: 35226273 DOI: 10.1007/s11356-022-19491-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 02/24/2022] [Indexed: 06/14/2023]
Abstract
During rainfall, phosphorus in drainage pipe sediments is easily washed and released. This study investigates the migration of phosphorus between sediments and water in storm and sewage sewers, the microbial community structure in sediments, and phosphorus transformation under biological action. Results showed that when the initial concentration of phosphorus in stormwater (water column) in storm sewer was high (1-2 mg/L), the total phosphorus (TP) level decreased in the water column but increased in the sediments, showing a trend of phosphorus migration from the water column to the sediments. Moreover, under high concentration (2 mg/L), the TP level decreased by 83.19% in the water column within 210 min, which was greater than 64.9% of the medium-concentration stormwater (1 mg/L). In sewage sewer, when the initial concentration of phosphorus in sewage was about 2 mg/L, phosphorus would migrate from the sediments and interstitial water to the water column because of the high concentration of phosphorus in the sediments. In addition, the variation in phosphorus was caused not only by concentration gradient but also by microbial communities. Phosphate accumulating organisms, such as Alphaproteobacteria, Gammaproteobacteria, and Actinobacteria, existed in the storm and sewage sewers, which could ingest dissolved reactive phosphorus in the water column and interstitial water and convert it into phosphorus in organisms. In storm sewers, Acidimicrobiia transferred phosphorus from the water column and interstitial water to the sediments through biochemical reactions and physical adsorption. In sewage sewers, organic acids secreted by Clostridia, Bacteroidia, and Bacilli could dissolve some insoluble phosphorus in sediments and then transfer them to interstitial water.
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Affiliation(s)
- Qi Liu
- College of Urban Construction, Nanjing Tech University, Nanjing, 211800, China
| | - Yanzhi Chen
- College of Urban Construction, Nanjing Tech University, Nanjing, 211800, China
| | - Cuiyun Liu
- College of Urban Construction, Nanjing Tech University, Nanjing, 211800, China.
- Jiangsu Key Laboratory of Industrial Water-Conservation & Emission Reduction, Nanjing Tech University, Nanjing, 211800, China.
| | - Haodong Wei
- College of Urban Construction, Nanjing Tech University, Nanjing, 211800, China
| | - Yiyang Wang
- College of Urban Construction, Nanjing Tech University, Nanjing, 211800, China
| | - Jie Zhou
- College of Urban Construction, Nanjing Tech University, Nanjing, 211800, China
| | - Wenke Lv
- College of Urban Construction, Nanjing Tech University, Nanjing, 211800, China
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Miró JM, Megina C, Donázar-Aramendía I, García-Gómez JC. Effects of maintenance dredging on the macrofauna of the water column in a turbid estuary. Sci Total Environ 2022; 806:151304. [PMID: 34743819 DOI: 10.1016/j.scitotenv.2021.151304] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 10/07/2021] [Accepted: 10/24/2021] [Indexed: 06/13/2023]
Abstract
Many human activities in or near aquatic habitats generate alterations in their environmental conditions, which could affect the organisms that inhabit them. Maintenance dredging of navigation channels in order to allow large ships access to inland ports is one such source of disturbance. In this study, by taking multiple approaches (immediate-, short- and medium term), we analysed the effects of a maintenance dredging operation on physiochemical variables and the early life stages of fish and other macrofauna groups present in two zones of the Guadalquivir estuary with different salinity ranges (poly- and mesohaline). Most physiochemical variables were homogenized in the water column immediately after the water mass passed by the dredger, including sediment resuspension. However, this process seemed to be transient as no significant increments in the depth-averaged levels of turbidity were observed in the short- and medium-terms. Instead, metal concentrations of Cr, Fe and Zn increased in the polyhaline station. Even so, these perturbations did not appear to be severe enough to influence the macrofauna. Still, organisms can suffer direct mechanical impacts of the trailer suction. Hyperbenthic species, like Pomatoshcistus spp. or decapods, tended to decrease slightly, while pelagic species such as Engraulis encrasicolus or mysids did not, indicating that benthic organisms are usually more susceptible to high entrainment. Nonetheless, the possible effects of this disturbance were of the same order or less than those of natural ones; therefore, organisms of the macrofauna could be well adapted to cope with them.
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Affiliation(s)
- J M Miró
- Laboratorio de Biología Marina, Seville Aquarium R + D + I Biological Research Area, Department of Zoology, Faculty of Biology, University of Sevilla, Sevilla, Spain.
| | - C Megina
- Biodiversidad y Ecología Acuática, Seville Aquarium R + D + I Biological Research Area, Department of Zoology, Faculty of Biology, University of Sevilla, Sevilla, Spain
| | - I Donázar-Aramendía
- Laboratorio de Biología Marina, Seville Aquarium R + D + I Biological Research Area, Department of Zoology, Faculty of Biology, University of Sevilla, Sevilla, Spain
| | - J C García-Gómez
- Laboratorio de Biología Marina, Seville Aquarium R + D + I Biological Research Area, Department of Zoology, Faculty of Biology, University of Sevilla, Sevilla, Spain
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20
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Wang X, Zhu L, Liu K, Li D. Prevalence of microplastic fibers in the marginal sea water column off southeast China. Sci Total Environ 2022; 804:150138. [PMID: 34517308 DOI: 10.1016/j.scitotenv.2021.150138] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 08/21/2021] [Accepted: 08/31/2021] [Indexed: 06/13/2023]
Abstract
Microplastic (MP) fibers are present in all environmental media, yet little is known about their distribution, sources, and transport in the water column of marginal seas. In this study, we conducted an intensive sampling campaign in the marginal sea water column off southeast China, which is an area that is greatly influenced by high MP emissions. We found that hydrological effects largely regulated the spatial variations of MP fiber distribution and that MP fibers likely were not entering the South China Sea through terrestrial input from southeast China during the summer monsoon. Polyethylene terephthalate (PET) fibers were pervasive in the surface water (SW) (89.47%), subsurface chlorophyll maximum layer (SCML) (92.65%), and bottom water (BW) (94.29%) of the water column during the sampling period. Approximately 32% of MP fibers in the samples were smaller than 330 μm. The abundance of MP fibers in SW was significantly lower than that in the SCML and BW. Based on this observation, we estimated the inventory of MP fibers in the SW, SCML, and BW of the sampling area to be 1.377-1.378, 2.820-2.825, and 2.627-2.629 metric tons, respectively. These results improved our understanding of the source-to-sink process of MP fiber contamination in the water column of marginal seas.
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Affiliation(s)
- Xiaohui Wang
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China
| | - Lixin Zhu
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China
| | - Kai Liu
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China
| | - Daoji Li
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China.
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21
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Gardon T, El Rakwe M, Paul-Pont I, Le Luyer J, Thomas L, Prado E, Boukerma K, Cassone AL, Quillien V, Soyez C, Costes L, Crusot M, Dreanno C, Le Moullac G, Huvet A. Microplastics contamination in pearl-farming lagoons of French Polynesia. J Hazard Mater 2021; 419:126396. [PMID: 34171671 DOI: 10.1016/j.jhazmat.2021.126396] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/02/2021] [Accepted: 06/10/2021] [Indexed: 06/13/2023]
Abstract
Pearl-farming is the second most important source of income in French Polynesia. However, tropical lagoons are fragile ecosystems with regard to anthropogenic pressures like plastic pollution, which threaten marine life and the pearl oyster-related economy. Here, we investigated the spatial distribution of microplastics (MP) and concentrations in surface water (SW), water column (WC) and cultivated pearl oyster (PO) from three pearl-farming atolls with low population and tourism. Microplastics were categorized by their size class, shape, colour and polymer type identified using FTIR spectroscopy. Widespread MP contamination was observed in every study site (SW, 0.2-8.4 MP m-3; WC, 14.0-716.2 MP m-3; PO, 2.1-125.0 MP g-1 dry weight), with high contamination in the WC highlighting the need to study the vertical distribution of MP, especially as this compartment where PO are reared. A large presence of small (< 200 µm) and fragment-shaped (> 70%) MP suggests that they result from the breakdown of larger plastic debris. The most abundant polymer type was polyethylene in SW (34-39%), WC (24-32%), while in PO, polypropylene (14-20%) and polyethylene were more evenly distributed (9-21%). The most common MP identified as black-grey polyethylene and polypropylene matches the polymer and colour of ropes and collectors questioning a pearl-farming origin.
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Affiliation(s)
- Tony Gardon
- Ifremer, ILM, IRD, Univ Polynésie française, EIO, F-98719 Taravao, Tahiti, Polynésie française, France.
| | - Maria El Rakwe
- Ifremer, Laboratoire Détection, Capteurs et Mesures (LDCM), Centre Bretagne, ZI de la Pointe du Diable, CS 10070, 29280 Plouzané, France
| | - Ika Paul-Pont
- Univ Brest, Ifremer, CNRS, IRD, LEMAR, F-29280 Plouzané, France
| | - Jérémy Le Luyer
- Ifremer, ILM, IRD, Univ Polynésie française, EIO, F-98719 Taravao, Tahiti, Polynésie française, France
| | - Léna Thomas
- Ifremer, Laboratoire Détection, Capteurs et Mesures (LDCM), Centre Bretagne, ZI de la Pointe du Diable, CS 10070, 29280 Plouzané, France
| | - Enora Prado
- Ifremer, Laboratoire Détection, Capteurs et Mesures (LDCM), Centre Bretagne, ZI de la Pointe du Diable, CS 10070, 29280 Plouzané, France
| | - Kada Boukerma
- Ifremer, Laboratoire Détection, Capteurs et Mesures (LDCM), Centre Bretagne, ZI de la Pointe du Diable, CS 10070, 29280 Plouzané, France
| | | | - Virgile Quillien
- Ifremer, ILM, IRD, Univ Polynésie française, EIO, F-98719 Taravao, Tahiti, Polynésie française, France
| | - Claude Soyez
- Ifremer, ILM, IRD, Univ Polynésie française, EIO, F-98719 Taravao, Tahiti, Polynésie française, France
| | - Louis Costes
- Ifremer, ILM, IRD, Univ Polynésie française, EIO, F-98719 Taravao, Tahiti, Polynésie française, France
| | - Margaux Crusot
- Univ Polynésie française, Ifremer, ILM, IRD, EIO, F-98702 Faa'a, Tahiti, Polynésie française, France
| | - Catherine Dreanno
- Ifremer, Laboratoire Détection, Capteurs et Mesures (LDCM), Centre Bretagne, ZI de la Pointe du Diable, CS 10070, 29280 Plouzané, France
| | - Gilles Le Moullac
- Ifremer, ILM, IRD, Univ Polynésie française, EIO, F-98719 Taravao, Tahiti, Polynésie française, France
| | - Arnaud Huvet
- Univ Brest, Ifremer, CNRS, IRD, LEMAR, F-29280 Plouzané, France
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22
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Vega-Moreno D, Abaroa-Pérez B, Rein-Loring PD, Presas-Navarro C, Fraile-Nuez E, Machín F. Distribution and transport of microplastics in the upper 1150 m of the water column at the Eastern North Atlantic Subtropical Gyre, Canary Islands, Spain. Sci Total Environ 2021; 788:147802. [PMID: 34034192 DOI: 10.1016/j.scitotenv.2021.147802] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 04/20/2021] [Accepted: 05/10/2021] [Indexed: 06/12/2023]
Abstract
Nowadays it is widely known that pollution by microplastics (MP) at the open ocean covers immense areas. Buoyant plastics tend to accumulate in areas of convergence at the sea surface such as subtropical gyres, while non-buoyant plastics accumulate at the seafloor. However, previous studies have revealed that the total amount of plastic in the different oceans is not well correlated with the concentrations measured at the sea surface and the sea floor, evidencing a significant amount of missing plastic in the oceans. This deviation could be related to an underestimation of the role played by small fragments of plastic and fibers in the oceans. Furthermore, microplastic fragments with a density lower than the density of seawater have been gathered hundreds of meters below the sea surface in the Pacific Ocean due to their size and shape. The main objective of this study is to carry out, for the first time, an equivalent analysis along the water column for the Atlantic Ocean. In that sense, a total number of 51 samples were collected during four different oceanographic cruises between February and December 2019, from the sea surface down to 1150 m depth at the open ocean waters of the Canary Islands region (Spain). For each sample, 72 l of seawater were filtered on board with a mesh size of 100 μm, where the presence of microplastics has been clearly observed. Our results reveal the presence of microplastics at least up to 1150 m depth, at the Northeastern Atlantic Subtropical Gyre with noticeable seasonal differences. The spatial distribution of these small fragments and fibers at the water column is mainly related to the oceanic dynamics and mesoscale convective flows, overcoming the MP motion induced by their own buoyancy. Moreover, these microplastics have being transported by the ocean dynamics as passive drifters.
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Affiliation(s)
- Daura Vega-Moreno
- Departamento de Química, Universidad de Las Palmas de Gran Canaria (ULPGC), Spain.
| | - Bárbara Abaroa-Pérez
- Departamento de Química, Universidad de Las Palmas de Gran Canaria (ULPGC), Spain
| | | | - Carmen Presas-Navarro
- Centro Oceanográfico de Canarias, Instituto Español de Oceanografía (IEO), Consejo Superior de Investigaciones Científicas (CSIC), Spain
| | - Eugenio Fraile-Nuez
- Centro Oceanográfico de Canarias, Instituto Español de Oceanografía (IEO), Consejo Superior de Investigaciones Científicas (CSIC), Spain.
| | - Francisco Machín
- Departamento de Física, Universidad de Las Palmas de Gran Canaria (ULPGC), Spain
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23
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Eppehimer DE, Hamdhani H, Hollien KD, Nemec ZC, Lee LN, Quanrud DM, Bogan MT. Impacts of baseflow and flooding on microplastic pollution in an effluent-dependent arid land river in the USA. Environ Sci Pollut Res Int 2021; 28:45375-45389. [PMID: 33864222 DOI: 10.1007/s11356-021-13724-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 03/25/2021] [Indexed: 06/12/2023]
Abstract
Effluent discharge from wastewater treatment plants can be a substantial source of microplastics in receiving water bodies including rivers. Despite growing concern about microplastic pollution in freshwater habitats, the literature has not yet addressed effluent-dependent rivers, which derive 100% of their baseflow from effluent. The objective of this study was to document and explore trends in microplastic pollution within the effluent-dependent lower Santa Cruz River near Tucson, Arizona (USA). We examined microplastic concentrations in the water column and benthic sediment and microplastic consumption by mosquitofish (Gambusia affinis) at 10 sites along a ~40 km stretch of the lower Santa Cruz River across two time periods: baseflow (effluent only) and post-flood (effluent immediately following urban runoff). In total, across both sampling periods, we detected microplastics in 95% of water column samples, 99% of sediment samples, and 6% of mosquitofish stomachs. Flow status (baseflow vs post-flood) was the only significant predictor of microplastic presence and concentrations in our models. Microplastic fragment concentrations in the water column were higher post-flood, microplastic fiber concentrations in benthic sediment were lower post-flood, and mosquitofish were more likely to have consumed microplastics post-flood than during baseflow. The additional microplastics detected after flooding was likely due to a combination of allochthonous material entering the channel via runoff and bed scour that exhumed microplastics previously buried in the riverbed. Effluent-dependent urban streams are becoming increasingly common; more work is needed to identify microplastic pollution baselines and trends in effluent rivers worldwide.
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Affiliation(s)
- Drew E Eppehimer
- School of Natural Resources and the Environment, University of Arizona, Environment and Natural Resources Building 2, 1064 East Lowell Street, Tucson, AZ, 85721, USA.
| | - Hamdhani Hamdhani
- School of Natural Resources and the Environment, University of Arizona, Environment and Natural Resources Building 2, 1064 East Lowell Street, Tucson, AZ, 85721, USA
| | - Kelsey D Hollien
- School of Natural Resources and the Environment, University of Arizona, Environment and Natural Resources Building 2, 1064 East Lowell Street, Tucson, AZ, 85721, USA
| | - Zach C Nemec
- School of Natural Resources and the Environment, University of Arizona, Environment and Natural Resources Building 2, 1064 East Lowell Street, Tucson, AZ, 85721, USA
| | - Larissa N Lee
- School of Natural Resources and the Environment, University of Arizona, Environment and Natural Resources Building 2, 1064 East Lowell Street, Tucson, AZ, 85721, USA
| | - David M Quanrud
- School of Natural Resources and the Environment, University of Arizona, Environment and Natural Resources Building 2, 1064 East Lowell Street, Tucson, AZ, 85721, USA
| | - Michael T Bogan
- School of Natural Resources and the Environment, University of Arizona, Environment and Natural Resources Building 2, 1064 East Lowell Street, Tucson, AZ, 85721, USA
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24
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Grupstra CGB, Rabbitt KM, Howe-Kerr LI, Correa AMS. Fish predation on corals promotes the dispersal of coral symbionts. Anim Microbiome 2021; 3:25. [PMID: 33752761 PMCID: PMC7986512 DOI: 10.1186/s42523-021-00086-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 03/05/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The microbiomes of foundation (habitat-forming) species such as corals and sponges underpin the biodiversity, productivity, and stability of ecosystems. Consumers shape communities of foundation species through trophic interactions, but the role of consumers in dispersing the microbiomes of such species is rarely examined. For example, stony corals rely on a nutritional symbiosis with single-celled endosymbiotic dinoflagellates (family Symbiodiniaceae) to construct reefs. Most corals acquire Symbiodiniaceae from the environment, but the processes that make Symbiodiniaceae available for uptake are not resolved. Here, we provide the first comprehensive, reef-scale demonstration that predation by diverse coral-eating (corallivorous) fish species promotes the dispersal of Symbiodiniaceae, based on symbiont cell densities and community compositions from the feces of four obligate corallivores, three facultative corallivores, two grazer/detritivores as well as samples of reef sediment and water. RESULTS Obligate corallivore feces are environmental hotspots of Symbiodiniaceae cells: live symbiont cell concentrations in such feces are 5-7 orders of magnitude higher than sediment and water environmental reservoirs. Symbiodiniaceae community compositions in the feces of obligate corallivores are similar to those in two locally abundant coral genera (Pocillopora and Porites), but differ from Symbiodiniaceae communities in the feces of facultative corallivores and grazer/detritivores as well as sediment and water. Combining our data on live Symbiodiniaceae cell densities in feces with in situ observations of fish, we estimate that some obligate corallivorous fish species release over 100 million Symbiodiniaceae cells per 100 m2 of reef per day. Released corallivore feces came in direct contact with coral colonies in the fore reef zone following 91% of observed egestion events, providing a potential mechanism for the transfer of live Symbiodiniaceae cells among coral colonies. CONCLUSIONS Taken together, our findings show that fish predation on corals may support the maintenance of coral cover on reefs in an unexpected way: through the dispersal of beneficial coral symbionts in corallivore feces. Few studies examine the processes that make symbionts available to foundation species, or how environmental reservoirs of such symbionts are replenished. This work sets the stage for parallel studies of consumer-mediated microbiome dispersal and assembly in other sessile, habitat-forming species.
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Affiliation(s)
- Carsten G B Grupstra
- BioSciences at Rice, Rice University, 6100 Main St, MS-140, Houston, TX, 77005, USA.
| | - Kristen M Rabbitt
- BioSciences at Rice, Rice University, 6100 Main St, MS-140, Houston, TX, 77005, USA
| | - Lauren I Howe-Kerr
- BioSciences at Rice, Rice University, 6100 Main St, MS-140, Houston, TX, 77005, USA
| | - Adrienne M S Correa
- BioSciences at Rice, Rice University, 6100 Main St, MS-140, Houston, TX, 77005, USA
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25
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Preston-Whyte F, Silburn B, Meakins B, Bakir A, Pillay K, Worship M, Paruk S, Mdazuka Y, Mooi G, Harmer R, Doran D, Tooley F, Maes T. Meso- and microplastics monitoring in harbour environments: A case study for the Port of Durban, South Africa. Mar Pollut Bull 2021; 163:111948. [PMID: 33482492 DOI: 10.1016/j.marpolbul.2020.111948] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 12/09/2020] [Accepted: 12/13/2020] [Indexed: 06/12/2023]
Abstract
An investigation into the abundance and distribution of meso- and microplastics within the Port of Durban was conducted using a static immersible water pump and particle filtration system to collect meso- and microplastics from the water column, microplastics from sediment samples and corresponding CTD. Microplastics were detected in all samples under investigation. Results suggest that sewage overflow, stormwater drains, port operations, followed by rivers are input areas for mitigation to focus on. Identifying meso- and microplastics inputs, baselines and distribution allow for long term monitoring and management in a harbour environment. This can potentially contribute to the control and regulation of small plastics particles in harbours, and the subsequent transport of these pollutants via dredged material into other ecosystems.
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Affiliation(s)
- Fiona Preston-Whyte
- Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, United Kingdom.
| | - Briony Silburn
- Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, United Kingdom
| | - Bryony Meakins
- Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, United Kingdom; Joint Nature Conservation Committee (JNCC), Monkstone House, City Road, Peterborough, United Kingdom
| | - Adil Bakir
- Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, United Kingdom
| | - Keshnee Pillay
- Branch: Oceans and Coasts, Department of Environment, Forestry and Fisheries (DEFF), East Pier, Victoria and Alfred Waterfront, Cape Town 8001, South Africa
| | - Marco Worship
- Branch: Oceans and Coasts, Department of Environment, Forestry and Fisheries (DEFF), East Pier, Victoria and Alfred Waterfront, Cape Town 8001, South Africa
| | - Siraj Paruk
- Transnet National Ports Authority, Durmarine Building, Quayside Road, Port of Durban, 4001, South Africa
| | - Yandiswa Mdazuka
- Branch: Oceans and Coasts, Department of Environment, Forestry and Fisheries (DEFF), East Pier, Victoria and Alfred Waterfront, Cape Town 8001, South Africa
| | - Gcobani Mooi
- Branch: Oceans and Coasts, Department of Environment, Forestry and Fisheries (DEFF), East Pier, Victoria and Alfred Waterfront, Cape Town 8001, South Africa
| | - Rogan Harmer
- Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, United Kingdom
| | - Denise Doran
- Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, United Kingdom
| | - Freya Tooley
- Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, United Kingdom
| | - Thomas Maes
- Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, United Kingdom; GRID-Arendal, Teaterplassen 3, 4836 Arendal, Norway
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26
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Tamminga M, Fischer EK. Microplastics in a deep, dimictic lake of the North German Plain with special regard to vertical distribution patterns. Environ Pollut 2020; 267:115507. [PMID: 32896764 DOI: 10.1016/j.envpol.2020.115507] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/17/2020] [Accepted: 08/22/2020] [Indexed: 06/11/2023]
Abstract
The investigation of microplastics (MPs) in freshwater has received increased attention within the last decade. To date, sampling is mainly conducted at the surface of both rivers and lakes and only a few studies assessed the vertical distribution of MPs in the water column of freshwater bodies. To contribute to the understanding of MP pollution in the water column of freshwater lakes, this study evaluated the vertical profile of MPs in Lake Tollense considering particles between 63 and 5000 μm in size. Sampling was conducted on three occasions at three depths (surface, 7 m and 10 m) along a transect including eight sampling stations. The retrieved samples were digested with hydrogen peroxide and sodium hypochlorite and investigated via Nile Red staining and fluorescence microscopy. Subsequently, a sub-sample of stained particles was verified by μRaman-spectroscopy. The vertical distribution of MPs in Lake Tollense differed considerably between particle shapes (irregular particles (IPs) and fibers). Fibers did not show a noticeable pattern with depth and ranged between 22 fibers m-³ at 0 m to 19 fibers m-³ at 10 m. In contrast, IPs were distinctly less abundant in sub-surface samples with concentrations between 50 IPs m-³ at 0 m to 29 IPs m-³ at 10 m. Concerning IPs, buoyant polymers (mainly PE and PP) and concerning fibers PET and PP dominated the polymeric composition. Besides particle inherent properties, wind-induced mixing is likely affecting the intensity of vertical concentration gradients. This study highlights the need for depth-integrated sampling approaches in order to achieve representative data without over- or underestimating the overall abundances.
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27
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Liu K, Courtene-Jones W, Wang X, Song Z, Wei N, Li D. Elucidating the vertical transport of microplastics in the water column: A review of sampling methodologies and distributions. Water Res 2020; 186:116403. [PMID: 32932095 DOI: 10.1016/j.watres.2020.116403] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/16/2020] [Accepted: 09/06/2020] [Indexed: 06/11/2023]
Abstract
There have been numerous studies that have investigated floating microplastics (MPs) in surface water, yet little data are currently available regarding the vertical distribution in the water column. This lack constrains our ability to comprehensively assess the ecological effects of MPs and develop further policy controls. In this study, we reviewed current progress of sampling methodologies, the distribution patterns, and the physiochemical properties of MPs throughout the water column. Three sampling protocols were identified in this study: bulk, net and submersible pump/in-situ sampling. In different regions, the vertical patterns of MPs in the water column varied with depth, which is possibly related to the morphological characteristics, polymeric densities, and biofouling of the MPs. The results of this review revealed that fibrous and fragmented MPs comprised over 90% of the total MPs by quantity, of which fibrous MPs constituted the majority (43%-100%). In addition, polyethylene terephthalate, polyamide, polyethylene, polyvinyl chloride, and polypropylene have been widely identified in previous studies. To minimize the impact caused by various sampling protocols, the use of a volume gradient trail experiment and a unified mesh size of 60-100 μm for the initial concentration are recommended according to the results of this review. Given the limited knowledge regarding the vertical transport of MPs in the water column, harmonized sampling methods should first be developed. The mechanisms of this process can be separately considered for different water bodies, such as freshwater systems, coastal waters, and pelagic zones. The presence of these anthropogenic pollutants in the water column poses a threat to the largest but most vulnerable habitats of life on earth, and hence they merit further investigation.
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Affiliation(s)
- Kai Liu
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai 200241, China
| | - Winnie Courtene-Jones
- Marine Biology and Ecology Research Centre, School of Marine Science and Engineering, University of Plymouth, Drake Circus, Plymouth, Devon PL4 8AA, United Kingdom
| | - Xiaohui Wang
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai 200241, China
| | - Zhangyu Song
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai 200241, China
| | - Nian Wei
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai 200241, China
| | - Daoji Li
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China; Plastic Marine Debris Research Center, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China; Regional Training and Research Center on Plastic Marine Debris and Microplastics, IOC-UNESCO, 500 Dongchuan Road, Shanghai 200241, China.
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Zhang Y, Jing H, Peng X. Vertical shifts of particle-attached and free-living prokaryotes in the water column above the cold seeps of the South China Sea. Mar Pollut Bull 2020; 156:111230. [PMID: 32510376 DOI: 10.1016/j.marpolbul.2020.111230] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 04/23/2020] [Accepted: 04/27/2020] [Indexed: 06/11/2023]
Abstract
Marine particle-attached (PA) and free-living (FL) microbes play important roles in the biogeochemical cycling of organic matter along the water column. Deep-sea cold seeps are highly productive and chemosynthetic ecosystems, their continuous emission of CH4, CO2, and H2S can reach up to 100 m in the above water, therefore would influence the distribution and potential metabolic functions of deep-sea prokaryotes. In this study, the vertical distribution profiles of both PA and FL microbes in the water column above two cold seeps of the South China Sea were investigated using Illumina sequencing and quantitative PCR (qPCR) based on 16S rRNA gene. Photosynthetic and heterotrophic prokaryotes were predominant in respective surface and deep layers below the photic zone. The typical cold seep chemosynthetic microbes, such as methanotrophs and sulfate-reducing bacteria were observed with low proportions in the two cold seeps as well. Distinct PA and FL microbial fractions were found in terms of abundance and diversity. FL fraction exposed to the bulk water was significantly affected by temperature and inorganic nutrients, whereas PA fraction relied more on the organic matter of the particles and less susceptible to the environmental variability. Our study highlights the importance of vertical geochemical gradients on the distribution and potential metabolic choice of marine microbes and extends our current knowledge of depth-associated microbial distribution patterns.
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Affiliation(s)
- Yue Zhang
- CAS Key Laboratory for Experimental Study under Deep-sea Extreme Conditions, Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya, China; Southern Marine Science and Engineering Guangdong Laboratory (ZhuHai), China
| | - Hongmei Jing
- CAS Key Laboratory for Experimental Study under Deep-sea Extreme Conditions, Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya, China; Southern Marine Science and Engineering Guangdong Laboratory (ZhuHai), China.
| | - Xiaotong Peng
- CAS Key Laboratory for Experimental Study under Deep-sea Extreme Conditions, Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya, China; Southern Marine Science and Engineering Guangdong Laboratory (ZhuHai), China.
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29
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Zhu D, Cheng X, Sample DJ, Yazdi MN. Effect of intermittent aeration mode on nitrogen concentration in the water column and sediment pore water of aquaculture ponds. J Environ Sci (China) 2020; 90:331-342. [PMID: 32081329 DOI: 10.1016/j.jes.2019.11.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 10/25/2019] [Accepted: 11/26/2019] [Indexed: 06/10/2023]
Abstract
Nitrogen in pond sediments is a major water quality concern and can impact the productivity of aquaculture. Dissolved oxygen is an important factor for improving water quality and boosting fish growth in aquaculture ponds, and plays an important role in the conversion of ammonium-nitrogen (NH4+-N) to nitrite-nitrogen (NO2--N) and eventually nitrate-nitrogen (NO3--N). A central goal of the study was to identify the best aeration method and strategy for improving water quality in aquaculture ponds. We conducted an experiment with six tanks, each with a different aeration mode to simulate the behavior of aquaculture ponds. The results show that a 36 hr aeration interval (Tc = 36 hr: 36 hr) and no aeration resulted in high concentrations of NH4+-N in the water column. Using a 12 hr interval time (Tc = 12 hr: 12 hr) resulted in higher NO2--N and NO3--N concentrations than any other aeration mode. Results from an 8 hr interval time (Tc = 8 hr: 8 hr) and 24 hr interval time (Tc = 24 hr: 24 hr) were comparable with those of continuous aeration, and had the benefit of being in use for only half of the time, consequently reducing energy consumption.
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Affiliation(s)
- Dantong Zhu
- State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510640, China; School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China; Department of Biological System Engineering, Virginia Polytechnic Institute and State University, Virginia Beach 23455, United States
| | - Xiangju Cheng
- State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510640, China; School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China
| | - David J Sample
- Department of Biological System Engineering, Virginia Polytechnic Institute and State University, Virginia Beach 23455, United States.
| | - Mohammad Nayeb Yazdi
- Department of Biological System Engineering, Virginia Polytechnic Institute and State University, Virginia Beach 23455, United States
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Pham MK, Chamizo E, Lopéz-Lora M, Martín J, Osvath I, Povinec PP. Impact of Saharan dust events on radionuclides in the atmosphere, seawater, and sediments of the northwest Mediterranean Sea. J Environ Radioact 2020; 214-215:106157. [PMID: 31928982 DOI: 10.1016/j.jenvrad.2020.106157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 01/02/2020] [Accepted: 01/02/2020] [Indexed: 06/10/2023]
Abstract
In February 2004, anthropogenic radionuclides (137Cs, 236U, 239Pu and 240Pu), transported from the Sahara Desert, were observed in the Monaco air, and later in water and sediment samples collected at the DYFAMED site in the northwest (NW) Mediterranean Sea. While 236U and 137Cs in Saharan dust particles showed a high solubility in seawater, Pu isotopes were particle reactive in the water column and in the sediment. The impact of the Saharan deposition was found at 0-1.0 cm of the sediment core for 236U and 137Cs, and between 1.0 and 1.5 cm for Pu isotopes. The excess of 236U was observed more in the water column than in the sediment, whereas the 239+240Pu total inventories were comparable in the water column and the sediment. This single-day particle event represented 72% of annual atmospheric deposition in Monaco. At the DYFAMED site, it accounted for 10% (137Cs) and 15% (239+240Pu) activities of sinking particles during the period of the highest mass flux collected at the 200 and 1000 m water depths, and for a significant proportion of the total annual atmospheric input to the NW Mediterranean Sea (28-37% for 137Cs and 34-45% for 239+240Pu). Contributions to the total 137Cs and 239+240Pu sediment inventories were estimated to be 14% and 8%, respectively. The Saharan dust deposition phenomenon (atmospheric input, water column and sediment) offered a unique case to study origin and accumulation rates of radionuclides in the NW Mediterranean Sea.
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Affiliation(s)
- M K Pham
- IAEA-Environment Laboratories, Monte Carlo, 98000, Monaco.
| | - E Chamizo
- Centro Nacional de Aceleradores, Universidad de Sevilla, Isla de la Cartuja, 41092, Sevilla, Spain
| | - M Lopéz-Lora
- Centro Nacional de Aceleradores, Universidad de Sevilla, Isla de la Cartuja, 41092, Sevilla, Spain
| | - J Martín
- CADIC-CONICET, Bernardo Houssay 200, Ushuaia, 9410, Argentina
| | - I Osvath
- IAEA-Environment Laboratories, Monte Carlo, 98000, Monaco
| | - P P Povinec
- Faculty of Mathematics, Physics and Informatics, Comenius University, SK-84248, Bratislava, Slovakia
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31
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Shen Y, Huang Y, Hu J, Li P, Zhang C, Li L, Xu P, Zhang J, Chen X. The nitrogen reduction in eutrophic water column driven by Microcystis blooms. J Hazard Mater 2020; 385:121578. [PMID: 31732343 DOI: 10.1016/j.jhazmat.2019.121578] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 10/01/2019] [Accepted: 10/30/2019] [Indexed: 06/10/2023]
Abstract
During the bloom seasons, the dissolved inorganic nitrogen declines, which results in the occurrence of nitrogen limitation. It is unclear where the nitrogen goes. Our enclosure experiments and batch tests suggested that Microcystis blooms could significantly reduce the nitrogen in water bodies and the key mechanisms for the nitrogen reduction in different layers were different. The assimilation was the main pathway for nitrogen reduction in the surface layer, while denitrification played an important role both at the sediment-water interface and in the overlying water. Stable nitrogen isotope experiments showed that the nitrate reduction efficiency at sediment-water interface was enhanced by Microcystis, reaching to 76.5∼84.7 %. Dissimilation accounted for 63.8∼67.3 % of the nitrate reduction, and the denitrification rate was 7.4∼8.5 times of DNRA rate. In the water column, the Microcystis bloom facilitated the formation of dark/anoxic condition, which favored the denitrification. The Microcystis aggregates collected from the field showed a great potential in removing nitrogen, and the TN in the overly water was reduced by 3.76∼6.03 mg L-1 within two days. This study provided field evidences and deeper insights into the relationship between Microcystis blooms and nitrogen reduction in the whole water column and gave more details about the enhancing effects of Microcystis on nitrogen reduction.
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Affiliation(s)
- Yingshi Shen
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Dong Chuan Road 500, Shanghai, 200241, PR China
| | - Yingying Huang
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Dong Chuan Road 500, Shanghai, 200241, PR China.
| | - Jun Hu
- Shanghai Qingpu Environmental Monitoring Station, Xi Dayinggangyi Road 15, Shanghai, 201700, PR China
| | - Panpan Li
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Dong Chuan Road 500, Shanghai, 200241, PR China
| | - Chen Zhang
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Dong Chuan Road 500, Shanghai, 200241, PR China
| | - Lei Li
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Dong Chuan Road 500, Shanghai, 200241, PR China
| | - Ping Xu
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Dong Chuan Road 500, Shanghai, 200241, PR China
| | - Junyi Zhang
- Wuxi Environmental Monitoring Centre, Zhou Xindong Road 123, Wuxi, 214023, PR China
| | - Xuechu Chen
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Dong Chuan Road 500, Shanghai, 200241, PR China; Institute of Eco-Chongming, 3663 N. Zhongshan Road, Shanghai, 200062, PR China.
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32
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Varol M. Impacts of cage fish farms in a large reservoir on water and sediment chemistry. Environ Pollut 2019; 252:1448-1454. [PMID: 31265955 DOI: 10.1016/j.envpol.2019.06.090] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 06/21/2019] [Accepted: 06/22/2019] [Indexed: 06/09/2023]
Abstract
The Keban Reservoir, which is the second man-made waterbody in Turkey, has the biggest rainbow trout production in the country. In this study, the impacts of rainbow trout farms on water and sediment chemistry were investigated. Water and sediment samples were taken at distances of 0, 10, 25, 50 and 100 m from the edge of the cages at the three fish farms, and at the respective reference stations. Samples were also taken at 0 m stations and reference stations in the late August when there were no fish in the cages. Physico-chemical variables and trace metals were analysed in all samples. Due to likely high dilution rates and recycling processes in the water column of the reservoir, little changes in the water quality parameters associated with wastes of the fish farms were noticed. When compared with those in the sediment samples at the stations near the edge of cages, the lower concentrations of total phosphorus (TP), total nitrogen (TN), organic matter (OM), total carbon (TC), sulfide (S2-), arsenic (As), cobalt (Co), copper (Cu), manganese (Mn) and zinc (Zn), and higher values of redox potential (Eh) were found at the reference stations. According to organic enrichment classification based on S2- and Eh values, sediments of the three fish farms in the period when there were fish in the cages fell into the oxic category, whereas sediments in the August (no fish farming activity) fell into the normal category. Also, it was found in the August that most of sediment quality parameters at the 0 m stations had close values to those at the reference stations. These results revealed that a three-month period when there were no fish in the cages allows for sediments to return to reference station conditions.
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Affiliation(s)
- Memet Varol
- Malatya Turgut Özal University, Faculty of Fisheries, Malatya, Turkey.
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Zakharenko AS, Galachyants YP, Morozov IV, Shubenkova OV, Morozov AA, Ivanov VG, Pimenov NV, Krasnopeev AY, Zemskaya TI. Bacterial Communities in Areas of Oil and Methane Seeps in Pelagic of Lake Baikal. Microb Ecol 2019; 78:269-285. [PMID: 30483839 DOI: 10.1007/s00248-018-1299-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 11/20/2018] [Indexed: 06/09/2023]
Abstract
We have assessed the diversity of bacteria near oil-methane (area I) and methane (area II) seeps in the pelagic zone of Lake Baikal using massive parallel sequencing of 16S rRNA, pmoA, and mxaF gene fragments amplified from total DNA. At depths from the surface to 100 m, sequences belonging to Cyanobacteria dominated. In the communities to a depth of 200 m of the studied areas, Proteobacteria dominated the deeper layers of the water column. Alphaproteobacteria sequences were predominant in the community near the oil-methane seep, while the community near the methane seep was characterized by the prevalence of Alpha- and Gammaproteobacteria. Among representatives of these classes, type I methanotrophs prevailed in the 16S rRNA gene libraries from the near-bottom area, and type II methanotrophs were detected in minor quantities at different depths. In the analysis of the libraries of the pmoA and mxaF functional genes, we observed the different taxonomic composition of methanotrophic bacteria in the surface and deep layers of the water column. All pmoA sequences from area I were type II methanotrophs and were detected at a depth of 300 m, while sequences of type I methanotrophs were the most abundant in deep layers of the water column of area II. All mxaF gene sequences belonged to Methylobacterium representatives. Based on comparative analyses of 16S rRNA, pmoA, and mxaF gene fragment libraries, we suggest that there must be a wider spectrum of functional genes facilitating methane oxidation that were not detected with the primers used.
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Affiliation(s)
- Aleksandra S Zakharenko
- Siberian Branch of the Russian Academy of Sciences, Limnological Institute, Ulan-Batorskaya Street 3, 664033, Irkutsk, Russia.
| | - Yuriy P Galachyants
- Siberian Branch of the Russian Academy of Sciences, Limnological Institute, Ulan-Batorskaya Street 3, 664033, Irkutsk, Russia
| | - Igor V Morozov
- Siberian Branch of the Russian Academy of Sciences, Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Olga V Shubenkova
- Siberian Branch of the Russian Academy of Sciences, Limnological Institute, Ulan-Batorskaya Street 3, 664033, Irkutsk, Russia
| | - Alexey A Morozov
- Siberian Branch of the Russian Academy of Sciences, Limnological Institute, Ulan-Batorskaya Street 3, 664033, Irkutsk, Russia
| | - Vyacheslav G Ivanov
- Siberian Branch of the Russian Academy of Sciences, Limnological Institute, Ulan-Batorskaya Street 3, 664033, Irkutsk, Russia
| | - Nikolay V Pimenov
- Research Center of Biotechnology, Russian Academy of Sciences, Winogradsky Institute of Microbiology, Moscow, Russia
| | - Andrey Y Krasnopeev
- Siberian Branch of the Russian Academy of Sciences, Limnological Institute, Ulan-Batorskaya Street 3, 664033, Irkutsk, Russia
| | - Tamara I Zemskaya
- Siberian Branch of the Russian Academy of Sciences, Limnological Institute, Ulan-Batorskaya Street 3, 664033, Irkutsk, Russia
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Quintas PY, Alvarez MB, Arias AH, Garrido M, Marcovecchio JE. Spatiotemporal distribution of organotin compounds in the coastal water of the Bahía Blanca estuary (Argentina). Environ Sci Pollut Res Int 2019; 26:7601-7613. [PMID: 30659490 DOI: 10.1007/s11356-019-04181-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Accepted: 01/07/2019] [Indexed: 05/29/2023]
Abstract
Several areas within the Bahía Blanca estuary (BBE), with different maritime traffic intensity, were studied in order to confirm the presence and assess the distribution of tributyltin (TBT), dibutyltin (DBT), and monobutyltin (MBT) in the water column. The organotin compounds (OTCs) were determined in the water samples-taken in summer, autumn, winter, and spring of 2014-by gas chromatography coupled to mass spectrometry after liquid-liquid extraction with hexane. The incidence of TBT throughout the whole sampling period indicated a continuous presence of this compound to the study area. However, in accordance with the butyltin degradation index (BDI), TBT was not recently introduced in the BBE. Furthermore, the average TBT levels exceeded the international guideline established by the Oslo-Paris commission (0.62 ng Sn L-1). As a result, certain biological effects could be expected to occur in sensitive species such as mussels. While DBT were below the detection limit in the 75% of the samples analyzed, MBT was detected in all the samples and no significant differences were found among the concentrations measured in the different seasons (Kruskal-Wallis test, p > 0.05). In addition, no correlations were found among the OTCs levels and the evaluated physiochemical parameters (Spearman coefficient, p > 0.05).
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Affiliation(s)
- Pamela Y Quintas
- Instituto Argentino de Oceanografía (IADO), Universidad Nacional del Sur (UNS)-CONICET, Bahía Blanca, Argentina.
- Laboratorio de Química Analítica para Investigación y Desarrollo (QUIANID), Instituto Interdisciplinario de Ciencias Básicas (ICB), UNCUYO-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Cuyo, J. Contreras 1300, 5500, Mendoza, Argentina.
| | - Mónica B Alvarez
- Departamento de Química, Universidad Nacional del Sur (UNS), Bahía Blanca, Argentina
- Instituto de Química del Sur (INQUISUR), Universidad Nacional del Sur (UNS)-CONICET, Bahía Blanca, Argentina
| | - Andrés H Arias
- Instituto Argentino de Oceanografía (IADO), Universidad Nacional del Sur (UNS)-CONICET, Bahía Blanca, Argentina
- Departamento de Química, Universidad Nacional del Sur (UNS), Bahía Blanca, Argentina
| | - Mariano Garrido
- Departamento de Química, Universidad Nacional del Sur (UNS), Bahía Blanca, Argentina
- Instituto de Química del Sur (INQUISUR), Universidad Nacional del Sur (UNS)-CONICET, Bahía Blanca, Argentina
| | - Jorge E Marcovecchio
- Instituto Argentino de Oceanografía (IADO), Universidad Nacional del Sur (UNS)-CONICET, Bahía Blanca, Argentina
- Universidad Tecnológica Nacional (UTN)-FRBB, Bahía Blanca, Argentina
- Universidad de la Fraternidad de Agrupaciones Santo Tomás de Aquino (FASTA), Mar del Plata, Argentina
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Tang X, Wu M, Li R. Phosphorus distribution and bioavailability dynamics in the mainstream water and surface sediment of the Three Gorges Reservoir between 2003 and 2010. Water Res 2018; 145:321-331. [PMID: 30165317 DOI: 10.1016/j.watres.2018.08.041] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 08/17/2018] [Accepted: 08/20/2018] [Indexed: 06/08/2023]
Abstract
A staged impoundment scheme was adopted for the Three Gorges Reservoir (TGR) to increase its maximal water level from 135 to 175 m between 2003 and 2010; however, the variation in phosphorus distribution and its bioavailability in the water column and surface sediment, during this period is still uncertain. Field surveys and historical monitoring data related to water column, surface sediment, total phosphorus (TP) and fractional contents, and water bloom characteristics were used to identify the effects of staged impoundment on phosphorus distribution and water eutrophication in the TGR. It is indicated that retention of particulate phosphorus (PP)-bounded suspended sediment (SS) caused an average of 4.69 %-12.28% decline in water column TP between 2004 and 2010 compared with that measured between 1998 and 2003. Phosphorus did not notably accumulate in the mainstream surface sediment when the impoundment water level increased from 135 to 175 m. The mainstream surface sediment was relatively clean, and the release of sediment bioavailable P (Bio-P) contributed to 0.013% of dissolved phosphorus (DP) concentrations in the water column when impoundment of the TGR was 175 m. An increase in dissolved Bio-P in the water column and weak hydrodynamic conditions stimulated the outburst of water bloom in more tributaries when the impoundment water level increased from 135 to 175 m, and the dominant algae gradually evolved from river-dominated species to lake-dominated species. Therefore, it is necessary to limit the entry of DP from the upstream and tributaries into the TGR and manage TP loads in the TGR as a lake rather than as a river in the future.
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Affiliation(s)
- Xianqiang Tang
- Basin Water Environmental Research Department, Changjiang River Scientific Research Institute, Wuhan, 430010, China; Key Lab of Basin Water Resource and Eco-Environmental Science in Hubei Province, Wuhan, 430010, China.
| | - Min Wu
- Basin Water Environmental Research Department, Changjiang River Scientific Research Institute, Wuhan, 430010, China; Key Lab of Basin Water Resource and Eco-Environmental Science in Hubei Province, Wuhan, 430010, China
| | - Rui Li
- Basin Water Environmental Research Department, Changjiang River Scientific Research Institute, Wuhan, 430010, China; Key Lab of Basin Water Resource and Eco-Environmental Science in Hubei Province, Wuhan, 430010, China
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36
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Dai Z, Zhang H, Zhou Q, Tian Y, Chen T, Tu C, Fu C, Luo Y. Occurrence of microplastics in the water column and sediment in an inland sea affected by intensive anthropogenic activities. Environ Pollut 2018; 242:1557-1565. [PMID: 30082155 DOI: 10.1016/j.envpol.2018.07.131] [Citation(s) in RCA: 160] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 07/26/2018] [Accepted: 07/30/2018] [Indexed: 05/23/2023]
Abstract
Microplastics may lose buoyancy and occur in deeper waters and ultimately sink to the sediment and this may threaten plankton inhabiting in various water layers and benthic organisms. Here, we conduct the first survey on microplastics in the water column and corresponding sediment in addition to the surface water in the Bohai Sea. A total of 20 stations covering whole Bohai Sea were selected, which included 6 stations specified for water column studying. Seawater was sampled every 5 m, with maximal depth of 30 m in the water column using Niskin bottles coupled with a ship-based conductivity, temperature and depth sensor (CTD) system and surface sediment samples were collected using box corer. The results indicated that higher microplastic levels accumulated at a depth range of 5-15 m in the water column in some stations, suggesting the surface water survey was not sufficient to reflect microplastics loading in a water body. Fibers predominated microplastic types in both seawater and sediment of the Bohai Sea, which accounted for 75%-96.4% of the total microplastics. However the relatively proportion of the fibers in the deeper water layers and sediment was lower than that in the surface water. Microplastic shapes are more diverse in the sediment than in the seawater in general. The microplastic sizes changed with depth in the water column and the proportion of the size-fraction < 300 μm increased with depth, probably as a result of rapid biofouling on the small microplastics due to their higher specific surface area. Such depth distribution also implied that sampling with manta net (>330 μm) that commonly used in the oceanographic survey might underestimate microplastics abundance in the water column. Further studies are recommended to focus on the sinking behavior of microplastics and their effects on marine organisms.
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Affiliation(s)
- Zhenfei Dai
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Haibo Zhang
- School of Environment and Resources, Zhejiang A&F University, Hangzhou 311300, China.
| | - Qian Zhou
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Yuan Tian
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Tao Chen
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Chen Tu
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Chuancheng Fu
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Yongming Luo
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Nanjing Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
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37
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Figueiredo GM, Vianna TMP. Suspended microplastics in a highly polluted bay: Abundance, size, and availability for mesozooplankton. Mar Pollut Bull 2018; 135:256-265. [PMID: 30301037 DOI: 10.1016/j.marpolbul.2018.07.020] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 06/26/2018] [Accepted: 07/04/2018] [Indexed: 05/23/2023]
Abstract
Microplastic ingestion by mesozooplankton may be an important pathway for the microplastics to enter the food web. To determine microplastic abundance in Guanabara Bay, samples were collected by neustonic haul with a 64-μm-net and oblique hauls using 64- and 200-μm nets. Microplastic size and abundance as well as copepod, fish-larvae, and chaetognath sizes, densities, and preferential prey sizes were determined. Microplastic abundance was higher in samples collected with fine nets (average 4.8 microplastics m-3, maximum 11 microplastics m-3) than in those collected with coarse net. Microplastic abundance in Guanabara Bay was higher than that in other marine ecosystems. Microplastics >100 μm were too large to be ingested by copepods. However, for fish larvae and chaetognaths, the abundance of microplastics, at the corresponding prey size range, were, respectively, ~9000- and 14,400-folds lower than the preferential copepod prey, in the same size range. Thus, in Guanabara Bay, microplastics were available, but too diluted to be frequently ingested by fish larvae and chaetognaths.
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Affiliation(s)
- Gisela M Figueiredo
- Laboratório de Ecologia Trófica, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Avenida Prof. Rodolpho Rocco 211, 21941-902 Rio de Janeiro, RJ, Brazil; Programa de Pós-Graduação em Biologia Marinha e Ambientes, Universidade Federal Fluminense, Instituto de Biologia, Caixa Postal 100644, Niterói, Rio de Janeiro, Brazil.
| | - Tamires Moraes Pintas Vianna
- Programa de Pós-Graduação em Biologia Marinha e Ambientes, Universidade Federal Fluminense, Instituto de Biologia, Caixa Postal 100644, Niterói, Rio de Janeiro, Brazil
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38
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Muresan B, Metzger É, Jézéquel D, Cossa D. A multiscale study of mercury transformations and dynamics at the chemocline of the Petit-Saut tropical reservoir (French Guiana). Sci Total Environ 2018; 630:1401-1412. [PMID: 29554760 DOI: 10.1016/j.scitotenv.2018.02.280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 02/23/2018] [Accepted: 02/23/2018] [Indexed: 06/08/2023]
Abstract
This study investigated, on both metric and centimetric scales, mercury (Hg) transformations and dynamics within a water column chemocline of a tropical reservoir. Data collected included conventional measurement of Hg in water samples, diffusive gradients in thin-films (DGT) assessments, and thermodynamic speciation modeling in order to portray the biogeochemical processes that control elemental Hg (EM) and dissolved monomethylated Hg (MeHgD) production. The primary contribution of this study is demonstration that the DGT technique can be successfully implemented to examine labile Hg compound mobilization, and estimation of how local substratum facilitates Hg reduction and methylation reactions. DGT profiles with a resolution of 1cm revealed a fine sequence of prominent Hg reduction/oxidation reactions at the chemocline level. This is interpreted as a manifestation of both: i) kinetic effects capable of arising inside the diffusive layer of DGT devices, and ii) extremely localized production or consumption of reducible and methylable Hg. Another key result obtained at the metric scale is that EM and MeHgD production at a water column chemocline are intricately linked, as both are fueled by nutrients episodically released during the decomposition of falling epilimnetic organic particles or inhibited by dissolved organic matter and inorganic compounds continuously transported from the deeper monimolimnion. Finally, it is worth noting that the chemocline acts as an accumulation and recycling domain for falling MeHg-loaded organic particles, whereas the high primary productivity layer in the epilimnion represents the principal reactor with respect to Hg methylation and reduction.
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Affiliation(s)
| | - Édouard Metzger
- LPG-BIAF, Université d'Angers, UMR CNRS 6112, 49045 Angers, France
| | - Didier Jézéquel
- IPGP UMR CNRS 7154, Université Sorbonne Paris Cité, 1 rue Jussieu, 75005 Paris, France
| | - Daniel Cossa
- ISTerre, Université Grenoble Alpes, 38058 Grenoble, France
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39
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Kanhai LDK, Gårdfeldt K, Lyashevska O, Hassellöv M, Thompson RC, O'Connor I. Microplastics in sub-surface waters of the Arctic Central Basin. Mar Pollut Bull 2018; 130:8-18. [PMID: 29866573 DOI: 10.1016/j.marpolbul.2018.03.011] [Citation(s) in RCA: 198] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2017] [Revised: 03/06/2018] [Accepted: 03/06/2018] [Indexed: 05/23/2023]
Abstract
Polar oceans, though remote in location, are not immune to the accumulation of plastic debris. The present study, investigated for the first time, the abundance, distribution and composition of microplastics in sub-surface waters of the Arctic Central Basin. Microplastic sampling was carried out using the bow water system of icebreaker Oden (single depth: 8.5 m) and CTD rosette sampler (multiple depths: 8-4369 m). Potential microplastics were isolated and analysed using Fourier Transform Infrared Spectroscopy (FT-IR). Bow water sampling revealed that the median microplastic abundance in near surface waters of the Polar Mixed Layer (PML) was 0.7 particles m-3. Regarding the vertical distribution of microplastics in the ACB, microplastic abundance (particles m-3) in the different water masses was as follows: Polar Mixed Layer (0-375) > Deep and bottom waters (0-104) > Atlantic water (0-95) > Halocline i.e. Atlantic or Pacific (0-83).
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Affiliation(s)
- La Daana K Kanhai
- Marine and Freshwater Research Centre, Galway Mayo Institute of Technology, Dublin Road, Galway, Ireland; Marine Biology and Ecology Research Centre, School of Biological and Marine Sciences, Plymouth University, Drake Circus, Plymouth, Devon PL4 8AA, United Kingdom.
| | - Katarina Gårdfeldt
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Göteborg SE-412 96, Sweden
| | - Olga Lyashevska
- Marine and Freshwater Research Centre, Galway Mayo Institute of Technology, Dublin Road, Galway, Ireland
| | - Martin Hassellöv
- Department of Chemistry and Molecular Biology, University of Gothenburg, Göteborg, Sweden
| | - Richard C Thompson
- Marine Biology and Ecology Research Centre, School of Biological and Marine Sciences, Plymouth University, Drake Circus, Plymouth, Devon PL4 8AA, United Kingdom
| | - Ian O'Connor
- Marine and Freshwater Research Centre, Galway Mayo Institute of Technology, Dublin Road, Galway, Ireland
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40
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Bagaev A, Khatmullina L, Chubarenko I. Anthropogenic microlitter in the Baltic Sea water column. Mar Pollut Bull 2018; 129:918-923. [PMID: 29106941 DOI: 10.1016/j.marpolbul.2017.10.049] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Revised: 10/03/2017] [Accepted: 10/20/2017] [Indexed: 05/06/2023]
Abstract
Microlitter (0.5-5mm) concentrations in water column (depth range from 0 to 217.5m) of the main Baltic Proper basins are reported. In total, 95 water samples collected in 6 research cruises in 2015-2016 in the Bornholm, Gdansk, and Gotland basins were analysed. Water from 10- and 30-litre Niskin bathometers was filtered through the 174μm filters, and the filtrate was examined under optical microscope (40×). The bulk mean concentration was 0.40±0.58 items per litre, with fibres making 77% of them. Other types of particles are the paint flakes (19%) and fragments (4%); no microbeads or pellets. The highest concentrations are found in the near-bottom samples from the coastal zone (2.2-2.7 items per litre max) and from near-surface waters (0.5m) in the Bornholm basin (5 samples, 1.6-2.5 items per litre). Distribution of particles over depths, types, and geographical regions is presented.
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Affiliation(s)
- Andrei Bagaev
- Shirshov Institute of Oceanology, Russian Academy of Sciences, 36, Nahimovskiy prospekt, Moscow 117997, Russia.
| | - Liliya Khatmullina
- Shirshov Institute of Oceanology, Russian Academy of Sciences, 36, Nahimovskiy prospekt, Moscow 117997, Russia; Immanuel Kant Baltic Federal University, A. Nevskogo Street, 14, Kaliningrad 236016, Russia
| | - Irina Chubarenko
- Shirshov Institute of Oceanology, Russian Academy of Sciences, 36, Nahimovskiy prospekt, Moscow 117997, Russia
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41
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Cesário R, Mota AM, Caetano M, Nogueira M, Canário J. Mercury and methylmercury transport and fate in the water column of Tagus estuary (Portugal). Mar Pollut Bull 2018; 127:235-250. [PMID: 29475660 DOI: 10.1016/j.marpolbul.2017.11.066] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 10/25/2017] [Accepted: 11/30/2017] [Indexed: 06/08/2023]
Abstract
Six campaigns were performed in North Channel (CNOR), Barcas Channel (BC) and lower zones (EZ) of Tagus estuary to better understand methylmercury (MMHg) and mercury (Hg) transport and fate. Highest concentrations of particulate and dissolved MMHg were observed in CNOR in bottom waters and in the warmest months. The MMHg distribution coefficients between particulate and dissolved fractions were mainly influenced by particulate matter and dissolved organic carbon. The values were slightly higher in summer than in winter and in CNOR. Overall, results established that the tidal effect is a main driver on the transport and fate of Hg and MMHg from CNOR to outer areas, evidenced by the exportation of the Hg species from CNOR to the upstream station in high tide and to the downstream one in low tide. Therefore, CNOR may be considered a source of Hg and MMHg to the outer estuary.
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Affiliation(s)
- Rute Cesário
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, Lisboa, Portugal; IPMA-Instituto Português do Mar e Atmosfera, Rua Alfredo Magalhães Ramalho, 6, 1495-006 Lisboa, Portugal
| | - Ana Maria Mota
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, Lisboa, Portugal
| | - Miguel Caetano
- IPMA-Instituto Português do Mar e Atmosfera, Rua Alfredo Magalhães Ramalho, 6, 1495-006 Lisboa, Portugal
| | - Marta Nogueira
- IPMA-Instituto Português do Mar e Atmosfera, Rua Alfredo Magalhães Ramalho, 6, 1495-006 Lisboa, Portugal
| | - João Canário
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, Lisboa, Portugal.
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Dimitriou PD, Papageorgiou N, Geropoulos A, Kalogeropoulou V, Moraitis M, Santi I, Tsikopoulou I, Pitta P, Karakassis I. Benthic pelagic coupling in a mesocosm experiment: Delayed sediment responses and regime shifts. Sci Total Environ 2017; 605-606:637-645. [PMID: 28672252 DOI: 10.1016/j.scitotenv.2017.06.239] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 06/26/2017] [Accepted: 06/26/2017] [Indexed: 06/07/2023]
Abstract
A mesocosm experiment was performed to study benthic-pelagic coupling under a eutrophication gradient. Nine mesocosms were deployed in the facilities of the Hellenic Center for Marine Research in Crete, in the Eastern Mediterranean. The mesocosms were 4m deep, containing 1.5m3 of coastal water and, at the bottom, they included 85l of undisturbed sediment, collected from a semi-impacted area in the port of Heraklion, Crete. A eutrophication gradient was created by adding nutrients in the water column (Low and High) and the experiment lasted 58days. Water column and sediment environmental variables were measured at regular intervals. The results indicate that sedimentation caused by eutrophication in the water column affected sediment geochemical variables but in most cases a time lag was observed between the trophic status of the water column and the response of the sediment. Additionally, in the High eutrophication treatment, several fluctuations were observed and the system did not recover within the experimental duration, as opposed to the Low treatment which showed fewer fluctuations and signs of recovery.
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Affiliation(s)
| | - Nafsika Papageorgiou
- University of Crete, Biology Department, 70013 Heraklion, Crete, Greece; Hellenic Centre for Marine Research, Institute of Oceanography, 71003 Heraklion, Crete, Greece
| | | | | | - Manolis Moraitis
- University of Crete, Biology Department, 70013 Heraklion, Crete, Greece
| | - Ioulia Santi
- University of Crete, Biology Department, 70013 Heraklion, Crete, Greece; Hellenic Centre for Marine Research, Institute of Oceanography, 71003 Heraklion, Crete, Greece
| | - Irini Tsikopoulou
- University of Crete, Biology Department, 70013 Heraklion, Crete, Greece
| | - Paraskevi Pitta
- Hellenic Centre for Marine Research, Institute of Oceanography, 71003 Heraklion, Crete, Greece
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43
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Bagaev A, Mizyuk A, Khatmullina L, Isachenko I, Chubarenko I. Anthropogenic fibres in the Baltic Sea water column: Field data, laboratory and numerical testing of their motion. Sci Total Environ 2017; 599-600:560-571. [PMID: 28494282 DOI: 10.1016/j.scitotenv.2017.04.185] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 03/21/2017] [Accepted: 04/24/2017] [Indexed: 05/06/2023]
Abstract
Distribution of microplastics particles (MPs) in the water column is investigated on the base of 95 water samples collected from various depths in the Baltic Sea Proper in 2015-2016. Fibres are the prevalent type of MPs: 7% of the samples contained small films; about 40% had (presumably) paint flakes, while 63% contained coloured fibres in concentrations from 0.07 to 2.6 items per litre. Near-surface and near-bottom layers (defined as one tenth of the local depth) have 3-5 times larger fibre concentrations than intermediate layers. Laboratory tests demonstrated that sinking behaviour of a small and flexible fibre can be complicated, with 4-fold difference in sinking velocity for various random fibres' curvature during its free fall. Numerical tests on transport of fibres in the Baltic Sea Proper were performed using HIROMB reanalysis data (2007) for the horizontal velocity field and laboratory order-of-magnitude estimates for the sinking velocity of fibres. The model takes into account (i) motion of fibres together with currents, (ii) their very slow sinking, and (iii) their low re-suspension threshold. Sensitivity of the final distribution of fibres to variations of those parameters is examined. These experiments are the first step towards modelling of transport of fibres in marine environment and they seem to reproduce the main features of fibres distribution quite well.
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Affiliation(s)
- A Bagaev
- Atlantic Branch of P.P. Shirshov Institute of Oceanology of Russian Academy of Sciences, Prospect Mira, 1, Kaliningrad 236022, Russia.
| | - A Mizyuk
- Marine Hydrophysical Institute of Russian Academy of Sciences, Kapitanskaya str., 31, Sevastopol 299011, Russia
| | - L Khatmullina
- Atlantic Branch of P.P. Shirshov Institute of Oceanology of Russian Academy of Sciences, Prospect Mira, 1, Kaliningrad 236022, Russia
| | - I Isachenko
- Atlantic Branch of P.P. Shirshov Institute of Oceanology of Russian Academy of Sciences, Prospect Mira, 1, Kaliningrad 236022, Russia
| | - I Chubarenko
- Atlantic Branch of P.P. Shirshov Institute of Oceanology of Russian Academy of Sciences, Prospect Mira, 1, Kaliningrad 236022, Russia
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44
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Ya M, Wu Y, Li Y, Wang X. Transport of terrigenous polycyclic aromatic hydrocarbons affected by the coastal upwelling in the northwestern coast of South China Sea. Environ Pollut 2017; 229:60-68. [PMID: 28577383 DOI: 10.1016/j.envpol.2017.05.054] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 05/17/2017] [Accepted: 05/19/2017] [Indexed: 06/07/2023]
Abstract
Coastal upwelling prevails in the coast of Hainan Island, the northern South China Sea (SCS) during summer. We studied the influences of the upwelling on the horizontal and vertical transport of terrigenous polycyclic aromatic hydrocarbons (PAHs). PAHs in dissolved and suspended particulate phase of water samples were determined in the upper (depth < 1 m) and water column (depth > 10 m). PAH levels decreased sharply from inshore to offshore to open sea. The results showed that terrestrial input was the main source of coastal PAHs. Perylene, an important indicator of land plant-derived PAH, showed the significant correlation with PAHs (p < 0.005). This implied that fluvial transport was the primary pathway of terrigenous PAHs into the coast of northern SCS. Variations of the concentrations, compositions and diagnostic ratios of PAHs, accompanied the partition equilibrium in the water column, could indicate the selective degradation of PAHs by the plankton affected by upwelling. Different from the "traditional" transport pathway of PAHs in the water column (surface enrichment-depth depletion distribution), the upwelling could provide the original driver to elevate the upward diffusion of sediment entrained contaminants towards the intermediate even the upper waters. It could also enhance the outward diffusion of terrigenous PAHs accompanied by the offshore transport of the upper waters. Therefore, the transport pathway of PAHs can be summarized by the coastal upwelling rising PAHs with their subsequent transport offshore and settling in the adjacent open sea.
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Affiliation(s)
- Miaolei Ya
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China; College of the Environment & Ecology, Xiamen University, Xiamen 361102, China
| | - Yuling Wu
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China; College of the Environment & Ecology, Xiamen University, Xiamen 361102, China
| | - Yongyu Li
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China; College of the Environment & Ecology, Xiamen University, Xiamen 361102, China
| | - Xinhong Wang
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China; College of the Environment & Ecology, Xiamen University, Xiamen 361102, China.
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Su H, Wu Y, Xie P, Chen J, Cao T, Xia W. Effects of taxonomy, sediment, and water column on C:N:P stoichiometry of submerged macrophytes in Yangtze floodplain shallow lakes, China. Environ Sci Pollut Res Int 2016; 23:22577-22585. [PMID: 27557960 DOI: 10.1007/s11356-016-7435-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Accepted: 08/08/2016] [Indexed: 05/24/2023]
Abstract
Carbon (C), nitrogen (N) and phosphorus (P) are the three most important essential elements limiting growth of primary producers. Submerged macrophytes generally absorb nutrients from sediments by root uptake. However, the C:N:P stoichiometric signatures of plant tissue are affected by many additional factors such as taxonomy, nutrient availability, and light availability. We first revealed the relative importance of taxonomy, sediment, and water column on plant C:N:P stoichiometry using variance partitioning based on partial redundancy analyses. Results showed that taxonomy was the most important factor in determining C:N:P stoichiometry, then the water column and finally the sediment. In this study, a significant positive relationship was found between community C concentration and macrophyte community biomass, indicating that the local low C availability in macrophytes probably was the main reason why submerged macrophytes declined in Yangtze floodplain shallow lakes. Based on our study, it is suggested that submerged macrophytes in Yangtze floodplain shallow lakes are primarily limited by low light levels rather than nutrient availability.
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Affiliation(s)
- Haojie Su
- Donghu Experimental Station of Lake Ecosystems, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, The Chinese Academy of Sciences, 7# Donghu South Road, Wuhan, 430072, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yao Wu
- Donghu Experimental Station of Lake Ecosystems, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, The Chinese Academy of Sciences, 7# Donghu South Road, Wuhan, 430072, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ping Xie
- Donghu Experimental Station of Lake Ecosystems, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, The Chinese Academy of Sciences, 7# Donghu South Road, Wuhan, 430072, China.
| | - Jun Chen
- Donghu Experimental Station of Lake Ecosystems, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, The Chinese Academy of Sciences, 7# Donghu South Road, Wuhan, 430072, China
| | - Te Cao
- Donghu Experimental Station of Lake Ecosystems, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, The Chinese Academy of Sciences, 7# Donghu South Road, Wuhan, 430072, China
| | - Wulai Xia
- Donghu Experimental Station of Lake Ecosystems, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, The Chinese Academy of Sciences, 7# Donghu South Road, Wuhan, 430072, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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46
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Yang Y, Li N, Zhao Q, Yang M, Wu Z, Xie S, Liu Y. Ammonia-oxidizing archaea and bacteria in water columns and sediments of a highly eutrophic plateau freshwater lake. Environ Sci Pollut Res Int 2016; 23:15358-15369. [PMID: 27109114 DOI: 10.1007/s11356-016-6707-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2015] [Accepted: 04/17/2016] [Indexed: 06/05/2023]
Abstract
Both ammonia-oxidizing archaea (AOA) and bacteria (AOB) can play important roles in the microbial oxidation of ammonia nitrogen in freshwater lake, but information on spatiotemporal variation in water column and sediment community structure is still limited. Additionally, the drivers of the differences between sediment and water assemblages are still unclear. The present study investigated the variation of AOA and AOB communities in both water columns and sediments of eutrophic freshwater Dianchi Lake. The abundance, diversity, and structure of both planktonic and sediment ammonia-oxidizing microorganisms in Dianchi Lake showed the evident changes with sampling site and time. In both water columns and sediments, AOB amoA gene generally outnumbered AOA, and the AOB/AOA ratio was much higher in summer than in autumn. The total AOA amoA abundance was relatively great in autumn, while sediment AOB was relatively abundant in summer. Sediment AOA amoA abundance was likely correlated with ammonia nitrogen (rs = 0.963). The AOB/AOA ratio in lake sediment was positively correlated with total phosphorus (rs = 0.835), while pH, dissolved organic carbon, and ammonia nitrogen might be the key driving forces for the AOB/AOA ratio in lake water. Sediment AOA and AOB diversity was correlated with nitrate nitrogen (rs = -0.786) and total organic carbon (rs = 0.769), respectively, while planktonic AOB diversity was correlated with ammonia nitrogen (rs = 0.854). Surface water and sediment in the same location had a distinctively different microbial community structure. In addition, sediment AOB community structure was influenced by total phosphorus, while total phosphorus might be a key determinant of planktonic AOB community structure.
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Affiliation(s)
- Yuyin Yang
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, China
| | - Ningning Li
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, China
| | - Qun Zhao
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, China
| | - Mengxi Yang
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, China
| | - Zhen Wu
- Key Laboratory of Water and Sediment Sciences (Ministry of Education), College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, China
| | - Shuguang Xie
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, China.
| | - Yong Liu
- Key Laboratory of Water and Sediment Sciences (Ministry of Education), College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, China.
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47
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Wasserman JC, Wasserman MAV, Barrocas PRG, Almeida AM. Predicting pollutant concentrations in the water column during dredging operations: Implications for sediment quality criteria. Mar Pollut Bull 2016; 108:24-32. [PMID: 27216043 DOI: 10.1016/j.marpolbul.2016.05.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 04/29/2016] [Accepted: 05/04/2016] [Indexed: 06/05/2023]
Abstract
The development of new dredging techniques that can reduce, or at least predict, the environmental impacts, is in high demand by governments in developing countries. In the present work, a new methodology was developed, to evaluate the level of metals contamination (i.e. cadmium, lead and zinc) of the water column, during a dredging operation. This methodology was used to evaluate the impacts of the construction of a new maritime terminal in Sepetiba Bay, Brazil. The methodology quantifies the amount of resuspended sediments and calculates the expected contaminants concentrations in the water column. The results indicated that sediment quality criteria were not compatible with water quality criteria, because the dredging of contaminated sediments does not necessarily yield contaminated water. It is suggested that the use of sediment quality criteria for dredging operations might be abandoned, and the methodology presented in this study applied to assess dredging's environmental impacts, predicting water contamination levels.
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Affiliation(s)
- Julio Cesar Wasserman
- Network of Environment and Sustainable Development (REMADS-UFF), University Federal Fluminense, Institute of Geosciences, office 406. Av Litorânea s/n Boa Viagem, Niterói. CEP 24030-346, Brazil.
| | - Maria Angélica V Wasserman
- Institute of Nuclear Engineering - CNEN, Rua Hélio de Almeida, 75, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ CEP 21941-906, Brazil.
| | - Paulo Rubens G Barrocas
- Department of Sanitation and Environmental Health, National School of Public Health, Oswaldo Cruz Foundation - FIOCRUZ, Rua Leopoldo Bulhões 1480/sala 521, Rio de Janeiro, RJ, Brazil.
| | - Aline Mansur Almeida
- Network of Environment and Sustainable Development (REMADS-UFF), University Federal Fluminense, Institute of Geosciences, office 406. Av Litorânea s/n Boa Viagem, Niterói. CEP 24030-346, Brazil.
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48
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Wade TL, Sericano JL, Sweet ST, Knap AH, Guinasso NL. Spatial and temporal distribution of water column total polycyclic aromatic hydrocarbons (PAH) and total petroleum hydrocarbons (TPH) from the Deepwater Horizon (Macondo) incident. Mar Pollut Bull 2016; 103:286-293. [PMID: 26774441 DOI: 10.1016/j.marpolbul.2015.12.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 11/16/2015] [Accepted: 12/05/2015] [Indexed: 06/05/2023]
Abstract
Pre-spill background concentrations of TPH and PAH in water samples from the Gulf of Mexico are compared with samples (over 20,000) collected during and after the Deepwater Horizon incident (13,000 stations). Samples were collected by multiple response agencies, trustees and BP and reported in the Gulf Science Data. The samples were collected from a few m to over 800 km in all directions from the wellhead. During the incident, samples with the highest concentrations of hydrocarbons were collected proximal to the wellhead or in samples collected from surface slicks and dispersant use. Of the 13,172 water sample TPH concentrations reported, 84% were below 1 μg/L (background). Of the 16,557 water sample PAH concentrations reported, 79% were below 0.056 μg/L (the median field blank, background). The percentage of samples below background increased rapidly after the well was capped. The spatial and temporal distributions of these hydrocarbon data are presented.
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Affiliation(s)
- Terry L Wade
- Geochemical and Environmental Research Group (GERG), Texas A&M University, 833 Graham Rd. College Station, TX 77845, USA.
| | - José L Sericano
- Geochemical and Environmental Research Group (GERG), Texas A&M University, 833 Graham Rd. College Station, TX 77845, USA.
| | - Stephen T Sweet
- Geochemical and Environmental Research Group (GERG), Texas A&M University, 833 Graham Rd. College Station, TX 77845, USA.
| | - Anthony H Knap
- Geochemical and Environmental Research Group (GERG), Texas A&M University, 833 Graham Rd. College Station, TX 77845, USA.
| | - Norman L Guinasso
- Geochemical and Environmental Research Group (GERG), Texas A&M University, 833 Graham Rd. College Station, TX 77845, USA.
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49
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Dimitriou PD, Karakassis I, Pitta P, Tsagaraki TM, Apostolaki ET, Magiopoulos I, Nikolioudakis N, Diliberto S, Theodorou JA, Tzovenis I, Kagalou I, Beza P, Tsapakis M. Mussel farming in Maliakos Gulf and quality indicators of the marine environment: Good benthic below poor pelagic ecological status. Mar Pollut Bull 2015; 101:784-793. [PMID: 26478459 DOI: 10.1016/j.marpolbul.2015.09.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Revised: 09/21/2015] [Accepted: 09/24/2015] [Indexed: 06/05/2023]
Abstract
Biological and geochemical variables in the water column and sediments were monitored along a transect of a mussel farm located in a transitional environment in Maliakos Gulf, a semi-enclosed gulf in eastern Mediterranean. Analyses of water, sediment and macrofauna samples were used to calculate ecological status indicators in the context of the European Water Framework Directive. The water column ecological status was "Poor" or "Bad" showing little change with distance from the farm, but the ecological status of the benthic communities was found to be "Good," although there were quantitative changes in macrofaunal indices with distance from the farm.
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Affiliation(s)
- Panagiotis D Dimitriou
- Biology Department, University of Crete, Voutes University Campus, 71003 Heraklion, Crete, Greece
| | - Ioannis Karakassis
- Biology Department, University of Crete, Voutes University Campus, 71003 Heraklion, Crete, Greece
| | - Paraskevi Pitta
- Institute of Oceanography, Hellenic Centre for Marine Research, P.O. Box 2214, 71003, Heraklion, Greece
| | - Tatiana Margo Tsagaraki
- Institute of Oceanography, Hellenic Centre for Marine Research, P.O. Box 2214, 71003, Heraklion, Greece
| | - Eugenia T Apostolaki
- Institute of Oceanography, Hellenic Centre for Marine Research, P.O. Box 2214, 71003, Heraklion, Greece
| | - Iordanis Magiopoulos
- Biology Department, University of Crete, Voutes University Campus, 71003 Heraklion, Crete, Greece; Institute of Oceanography, Hellenic Centre for Marine Research, P.O. Box 2214, 71003, Heraklion, Greece
| | - Nikolaos Nikolioudakis
- Biology Department, University of Crete, Voutes University Campus, 71003 Heraklion, Crete, Greece
| | - Santi Diliberto
- Institute of Oceanography, Hellenic Centre for Marine Research, P.O. Box 2214, 71003, Heraklion, Greece
| | - John A Theodorou
- Department of Fisheries and Aquaculture, Technological Educational Institution of Epirus, 46100 Igoumenitsa, Greece; Department of Fisheries and Aquaculture Technology, Technological Educational Institution of Western Greece, Nea Ktiria, 30200 Messolonghi, Greece
| | - Ioannis Tzovenis
- Department of Fisheries and Aquaculture, Technological Educational Institution of Epirus, 46100 Igoumenitsa, Greece; Laboratory of Ecology and Systematics, Biology Department, University of Athens, Zografou University Campus, 15784 Athens, Greece
| | - Ifigenia Kagalou
- Department of Fisheries and Aquaculture, Technological Educational Institution of Epirus, 46100 Igoumenitsa, Greece; Department of Civil Engineering, Polytechnic School, Democritus University of Thrace, 67100 Xanthi, Greece
| | - Paraskevi Beza
- Laboratory of Ecology and Systematics, Biology Department, University of Athens, Zografou University Campus, 15784 Athens, Greece
| | - Manolis Tsapakis
- Institute of Oceanography, Hellenic Centre for Marine Research, P.O. Box 2214, 71003, Heraklion, Greece.
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50
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Rabodonirina S, Net S, Ouddane B, Merhaby D, Dumoulin D, Popescu T, Ravelonandro P. Distribution of persistent organic pollutants (PAHs, Me-PAHs, PCBs) in dissolved, particulate and sedimentary phases in freshwater systems. Environ Pollut 2015; 206:38-48. [PMID: 26142749 DOI: 10.1016/j.envpol.2015.06.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Revised: 06/02/2015] [Accepted: 06/03/2015] [Indexed: 05/27/2023]
Abstract
The occurrence of three groups of hazardous organic contaminants (PCBs, PAHs, Me-PAHs) in fifteen watercourses and rivers located in highly urbanized and industrialized zones was studied. The distribution of 62 organic contaminants was determined in three matrices: in the dissolved phase, associated with suspended solid matter (SSM) and in sediment. Their distributions in the aquatic environment depend strongly on their physicochemical properties. Low molecular weight PAHs were predominant in the dissolved phase while those with high molecular weight accumulated preferentially in SSM and sediments. Among the 28 PCBs congeners, only PCB153 was detected. The results showed that the contamination of these areas originated mainly from combustion processes. The three the most polluted sites identified are surrounded by big cities. Ecotoxicological assessment based on the international Sediment Quality Guidelines (SQGs) showed that the toxic effects of the sediment in these watercourses and rivers occurred due to high levels of hydrocarbons.
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Affiliation(s)
- Suzanah Rabodonirina
- Université de Lille, LASIR-UMR CNRS 8516, Equipe Physico-Chimie de l'Environnement, Bat. C8, 59655, Villeneuve d'Ascq, France; Faculté des Sciences de l'Université d'Antananarivo, Unité de Recherche en Génie des Procédés et Génie de l'Environnement (URGPGE), BP 906-101, Antananarivo, Madagascar
| | - Sopheak Net
- Université de Lille, LASIR-UMR CNRS 8516, Equipe Physico-Chimie de l'Environnement, Bat. C8, 59655, Villeneuve d'Ascq, France.
| | - Baghdad Ouddane
- Université de Lille, LASIR-UMR CNRS 8516, Equipe Physico-Chimie de l'Environnement, Bat. C8, 59655, Villeneuve d'Ascq, France
| | - Dima Merhaby
- Université de Lille, LASIR-UMR CNRS 8516, Equipe Physico-Chimie de l'Environnement, Bat. C8, 59655, Villeneuve d'Ascq, France; Université Libanaise, Faculté de santé publique section III, Laboratoire des Sciences de l'Eau et de l'Environnement (L.S.E.E), Tripoli, Lebanon
| | - David Dumoulin
- Université de Lille, LASIR-UMR CNRS 8516, Equipe Physico-Chimie de l'Environnement, Bat. C8, 59655, Villeneuve d'Ascq, France
| | - Tudor Popescu
- Université de Lille, LASIR-UMR CNRS 8516, Equipe Physico-Chimie de l'Environnement, Bat. C8, 59655, Villeneuve d'Ascq, France; Université d'Etat de Moldavie, Faculté de Biologie et de l'Ecologie, Laboratoire Algologie, MD-2009, Chisinau, Republic of Moldova
| | - Pierre Ravelonandro
- Faculté des Sciences de l'Université d'Antananarivo, Unité de Recherche en Génie des Procédés et Génie de l'Environnement (URGPGE), BP 906-101, Antananarivo, Madagascar
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