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Sah R, Talukdar G, Khanduri M, Chaudhary P, Badola R, Hussain SA. Do dietary exposures to multi-class endocrine disrupting chemicals translate into health risks for Gangetic dolphins? An assessment and way forward. Heliyon 2024; 10:e35130. [PMID: 39170170 PMCID: PMC11336425 DOI: 10.1016/j.heliyon.2024.e35130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Accepted: 07/23/2024] [Indexed: 08/23/2024] Open
Abstract
Dietary exposure risks of 39 multi-class Endocrine Disrupting Chemicals (EDCs) to the threatened Gangetic dolphins (Platanista gangetica) were investigated in a conservation-priority segment of the Ganga River. Elevated EDCs bioaccumulation was observed across prey fish species, with di(2-ethylhexyl) phthalate (DEHP) and di-n-butyl phthalate (DnBP) significantly contributing to the EDC burden. The concentrations of persistent organochlorines in prey revealed a shift from dioxin-like polychlorinated biphenyls (PCBs) to non-dioxin-like PCBs. The prevalence of regulated p,p' DDT (Dichlorodiphenyltrichloroethane) and γ-HCH (Lindane) residues suggests regional non-compliance with regulatory standards. The concentration of some EDCs is dependent on the habitat, foraging behavior, trophic level and fish growth. The potential drivers of EDCs contamination in catchment includes agriculture, vehicular emissions, poor solid waste management, textile industry, and high tourist influx. Risk quotients (RQs) based on toxicity reference value were generally below 1, while the RQ derived from the reference dose highlighted a high risk to Gangetic dolphins from DEHP, DDT, DnBP, arsenic, PCBs, mercury, and cadmium, emphasizing the need for their prioritization within monitoring programs. The study also proposes a monitoring framework to provide guidance on monitoring and assessment of chemical contamination in Gangetic dolphin and habitats.
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Affiliation(s)
- Ruchika Sah
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
| | - Gautam Talukdar
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
| | - Megha Khanduri
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
| | - Pooja Chaudhary
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
| | - Ruchi Badola
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
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2
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Chen F, Jiang F, Ma J, Alghamdi MA, Zhu Y, Yong JWH. Intersecting planetary health: Exploring the impacts of environmental stressors on wildlife and human health. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 283:116848. [PMID: 39116691 DOI: 10.1016/j.ecoenv.2024.116848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 07/30/2024] [Accepted: 08/05/2024] [Indexed: 08/10/2024]
Abstract
This comprehensive review articulates critical insights into the nexus of environmental stressors and their health impacts across diverse species, underscoring significant findings that reveal profound effects on both wildlife and human health systems. Central to our examination is the role of pollutants, climate variables, and pathogens in contributing to complex disease dynamics and physiological disruptions, with particular emphasis on immune and endocrine functions. This research brings to light emerging evidence on the severe implications of environmental pressures on a variety of taxa, including predatory mammals, raptorial birds, seabirds, fish, and humans, which are pivotal as indicators of broader ecosystem health and stability. We delve into the nuanced interplay between environmental degradation and zoonotic diseases, highlighting novel intersections that pose significant risks to biodiversity and human populations. The review critically evaluates current methodologies and advances in understanding the morphological, histopathological, and biochemical responses of these organisms to environmental stressors. We discuss the implications of our findings for conservation strategies, advocating for a more integrated approach that incorporates the dynamics of zoonoses and pollution control. This synthesis not only contributes to the academic discourse but also aims to influence policy by aligning with the Global Goals for Sustainable Development. It underscores the urgent need for sustainable interactions between humans and their environments, which are critical for preserving biodiversity and ensuring global health security. By presenting a detailed analysis of the interdependencies between environmental stressors and biological health, this review highlights significant gaps in current research and provides a foundation for future studies aimed at mitigating these pressing issues. Our study is significant as it proposes integrative and actionable strategies to address the challenges at the intersection of environmental change and public health, marking a crucial step forward in planetary health science.
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Affiliation(s)
- Fu Chen
- School of Public Administration, Hohai University, Nanjing 211100, China.
| | - Feifei Jiang
- School of Public Administration, Hohai University, Nanjing 211100, China.
| | - Jing Ma
- School of Public Administration, Hohai University, Nanjing 211100, China.
| | - Mohammed A Alghamdi
- Department of Laboratory & Blood Bank, Security Forces Hospital, Mecca, Saudi Arabia.
| | - Yanfeng Zhu
- School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221000, China.
| | - Jean Wan Hong Yong
- Department of Biosystems and Technology, Swedish University of Agricultural Sciences, Alnarp 23456, Sweden.
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Chen J, Liu Y, Chao L, Hou L, Wang Y, Chu J, Sun J. Distribution, trophic magnification and risk of trace metals and perfluoroalkyl acids in marine organisms from Haizhou Bay. ENVIRONMENTAL RESEARCH 2024; 261:119746. [PMID: 39102939 DOI: 10.1016/j.envres.2024.119746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2024] [Revised: 07/16/2024] [Accepted: 08/02/2024] [Indexed: 08/07/2024]
Abstract
Haizhou Bay, a semi-enclosed key aquaculture area in East China, has had relatively limited research focused on trace metals and perfluoroalkyl acids (PFAAs) in its biota. This study characterized the distribution, biomagnification and health risks of selected trace metals and PFAAs in various marine organisms from Haizhou Bay. Among the species examined, zinc (Zn) was the most prevalent metal, followed by copper (Cu) and chromium (Cr), whereas cadmium (Cd), total mercury (THg), and methylmercury (MeHg) contents were relatively low. Perfluorooctane sulfonate (PFOS) was the most abundant PFAA, followed by perfluorooctanoic acid (PFOA). The calculated trophic magnification factors (TMFs) were above one for Cr, THg, MeHg, and all PFAAs except perfluorobutanoic acid (PFBA) and perfluorotetradecanoic acid (PFTeDA). Across animal groups, gastropods exhibited relatively low levels of THg, MeHg, and perfluorosulfonic acids (∑PFSAs). By comparison, fish generally had lower levels of Cd and Cu compared to other animal groups, and demersal fish had significantly higher MeHg compared to gastropods. Certain organisms, such as cephalopods and shrimps, were found to pose potential health risks due to elevated levels of Cd, while levels of other studied metals, PFOS and PFOA generally appeared to be within safe limits for human consumption. Further research is needed to assess the sources and impacts of these and other contaminants.
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Affiliation(s)
- Jingrui Chen
- College of Marine Life Sciences, Ocean University of China, 266003, Qingdao, China
| | - Yuanyuan Liu
- College of Marine Life Sciences, Ocean University of China, 266003, Qingdao, China
| | - Le Chao
- College of Marine Life Sciences, Ocean University of China, 266003, Qingdao, China
| | - Lulu Hou
- College of Marine Life Sciences, Ocean University of China, 266003, Qingdao, China
| | - Yunfeng Wang
- Institute of Oceanology, Chinese Academy of Sciences, 266071, Qingdao, China
| | - Jiansong Chu
- College of Marine Life Sciences, Ocean University of China, 266003, Qingdao, China.
| | - Jiachen Sun
- College of Marine Life Sciences, Ocean University of China, 266003, Qingdao, China.
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Marchán-Moreno C, Queipo-Abad S, Corns WT, Bueno M, Pannier F, Amouroux D, Fontagné-Dicharry S, Pedrero Z. Assessment of dietary Selenium and its role in Mercury fate in cultured fish rainbow trout with two sustainable aquafeeds. Food Chem 2024; 447:138865. [PMID: 38461719 DOI: 10.1016/j.foodchem.2024.138865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 02/07/2024] [Accepted: 02/25/2024] [Indexed: 03/12/2024]
Abstract
This study enhances the current limited understanding of the interaction between mercury (Hg) and selenium (Se) species in fish. Rainbow trout (Oncorhynchus mykiss), a model aquaculture fish, was exposed to Hg and Se species through controlled dietary conditions. Over a 6-month feeding trial, the impact of dietary Se on Hg bioaccumulation in fish, including flesh, brain, and liver, was tracked. Twelve dietary conditions were tested, including plant-based diets (0.25 µgSe g-1) and tuna byproduct diets (0.25 µgHg g-1, 8.0 µgSe g-1) enriched with methylmercury and/or Se as selenite or selenomethionine. The tuna byproduct diet resulted in lower Hg levels than the plant-based diets, with muscle Hg content below the European Commission's safe threshold. This study highlights the significant impact of specific Se compounds in the diet, particularly from tuna-based aquafeed, on Hg bioaccumulation. These promising results provide a strong recommendation for future use of fisheries byproducts in sustainable aquafeeds.
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Affiliation(s)
- Claudia Marchán-Moreno
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France
| | - Silvia Queipo-Abad
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France
| | - Warren T Corns
- PS Analytical, Arthur House, Crayfields Industrial Estate, Main Road, Orpington, Kent BR5 3HP, UK
| | - Maite Bueno
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France
| | - Florence Pannier
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France
| | - David Amouroux
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France
| | | | - Zoyne Pedrero
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France.
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Sah R, Khanduri M, Chaudhary P, Thomas Paul K, Gururani S, Banwala K, Paul C, Jose MA, Bora S, Ramachandran A, Badola R, Hussain SA. Dietary exposure of potentially toxic elements to freshwater mammals in the Ganga river basin, India. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 351:123928. [PMID: 38615836 DOI: 10.1016/j.envpol.2024.123928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 03/19/2024] [Accepted: 04/03/2024] [Indexed: 04/16/2024]
Abstract
The threatened Gangetic dolphin (Platanista gangetica) and smooth-coated otter (Lutrogale perspicillata) occuring in the Ganga River Basin (GRB), are experiencing a decline in their population and distribution range owing to multiple anthropogenic pressures, including pollution by Potentially Toxic Elements (PTEs). Apex predators primarily encounter contaminants through dietary exposure. Yet, notable gaps persist in our understanding of the risks associated with the ingestion of PTE-contaminated prey for Gangetic dolphins and smooth-coated otters. In this study, we examined the occurrence and spatial variation of PTEs in the prey (fish) of both these riverine mammals across three major rivers of the Basin, while also evaluating the associated risk of ingesting contaminated prey. Our assessment revealed no statistical variation in bioaccumulation profiles of PTEs across the three rivers, attributable to comparable land use patterns and PTE consumption within the catchment. Zn and Cu were the most dominant PTEs in the prey species. The major potential sources of pollution identified in the catchment include agricultural settlements, vehicular emissions, and the presence of metal-based additives in plastics. Zn, As and Hg accumulation vary with the trophic level whereas some PTEs show concentration (Hg) and dilution (As, Cr, Pb and Zn) with fish growth. The Risk Quotient (RQ), based on the dietary intake of contaminated prey calculated using Toxicity Reference Value was consistently below 1 indicating no significant risk to these riverine mammals. Conversely, with the exception of Co and Ni, the Reference Dose-based RQs for all other PTEs indicated a substantial risk for Gangetic dolphins and smooth-coated otters through dietary exposure. This study serves as a pivotal first step in assessing the risk of PTEs for two threatened riverine mammals in a densely populated river basin, highlighting the importance of their prioritization in regular monitoring to reinforce the ongoing conservation efforts.
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Affiliation(s)
- Ruchika Sah
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
| | - Megha Khanduri
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
| | - Pooja Chaudhary
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
| | - K Thomas Paul
- Agilent Technologies India Pvt Ltd, Doddanakundi Industrial Area 2, Mahadevapura, Bengaluru, 560066, India
| | | | - Kirti Banwala
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
| | - Chitra Paul
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
| | - Mebin Aby Jose
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
| | - Sarita Bora
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
| | | | - Ruchi Badola
- Wildlife Institute of India, Chandrabani, Dehradun, 248001, India
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Mijošek T, Šariri S, Kljaković-Gašpić Z, Fiket Ž, Filipović Marijić V. Interrelation between environmental conditions, acanthocephalan infection and metal(loid) accumulation in fish intestine: an in-depth study. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 356:124358. [PMID: 38871168 DOI: 10.1016/j.envpol.2024.124358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 05/22/2024] [Accepted: 06/09/2024] [Indexed: 06/15/2024]
Abstract
Metal(loid) bioaccumulation in acanthocephalans (Dentitruncus truttae) and intestines of fish (Salmo trutta) from the Krka River, influenced by industrial and municipal wastewaters, was investigated in relation to exposure to metal(loid)s from fish gut content (GC), water, and sediment to estimate potentially available metal (loid)s responsible for toxic effects and cellular disturbances in biota. Sampling was performed in two seasons (spring and autumn) at the reference site (river source, KRS), downstream of the wastewater outlets (Town of Knin, KRK), and in the national park (KNP). Metal(loid) concentrations were measured by ICP-MS. The highest accumulation of As, Ba, Ca, Cu, Fe, Pb, Se and Zn was observed mainly in organisms from KRK, of Cd, Cs, Rb and Tl at KRS, and of Hg, Mn, Mo, Sr and V at KNP. Acanthocephalans showed significantly higher bioaccumulation than fish intestine, especially of toxic metals (Pb, Cd and Tl). Metal(loid) bioaccumulation in organisms partially coincided to exposure from water, sediments and food, while in GC almost all elements were elevated at KNP, reflecting the metal(loid) exposure from sediments. Seasonal differences in organisms and GC indicated higher metal (loid) accumulation in spring, which follows enhanced fish feeding rates. Higher number of acanthocephalans in the intestine influenced biodilution process and lower concentrations of metal(loid)s in fish, indicating positive effects of parasites to their host, as supported by high values of bioconcentration factors. Fish intestine and acanthocephalan D. truttae were confirmed as sensitive indicators of available metal fraction in conditions of generally low environmental exposure in karst ecosystem. Since metal(loid) accumulation depended on ecological, chemical and biological conditions, but also on the dietary habits, physiology of organisms and parasite infection, continuous monitoring is recommended to distinguish between the effects of these factors and environmental exposure when assessing dietary associated metal(loid) exposure in aquatic organisms.
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Affiliation(s)
- Tatjana Mijošek
- Ruđer Bošković Institute, Bijenička cesta 54, Zagreb, Croatia
| | - Sara Šariri
- Ruđer Bošković Institute, Bijenička cesta 54, Zagreb, Croatia
| | | | - Željka Fiket
- Ruđer Bošković Institute, Bijenička cesta 54, Zagreb, Croatia
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Sánchez-Fortún M, Carrasco JL, Díez S, Amouroux D, Tessier E, López-Carmona S, Sanpera C. Temporal mercury dynamics throughout the rice cultivation season in the Ebro Delta (NE Spain): An integrative approach. ENVIRONMENTAL RESEARCH 2024; 250:118555. [PMID: 38412914 DOI: 10.1016/j.envres.2024.118555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/23/2024] [Accepted: 02/24/2024] [Indexed: 02/29/2024]
Abstract
During the last few decades, inputs of mercury (Hg) to the environment from anthropogenic sources have increased. The Ebro Delta is an important area of rice production in the Iberian Peninsula. Given the industrial activity and its legacy pollution along the Ebro river, residues containing Hg have been transported throughout the Ebro Delta ecosystems. Rice paddies are regarded as propitious environments for Hg methylation and its subsequent incorporation to plants and rice paddies' food webs. We have analyzed how Hg dynamics change throughout the rice cultivation season in different compartments from the paddies' ecosystems: soil, water, rice plants and fauna. Furthermore, we assessed the effect of different agricultural practices (ecological vs. conventional) associated to various flooding patterns (wet vs. mild alternating wet and dry) to the Hg levels in rice fields. Finally, we have estimated the proportion of methylmercury (MeHg) to total mercury in a subset of samples, as MeHg is the most bioaccumulable toxic form for humans and wildlife. Overall, we observed varying degrees of mercury concentration over the rice cultivation season in the different compartments. We found that different agricultural practices and flooding patterns did not influence the THg levels observed in water, soil or plants. However, Hg concentrations in fauna samples seemed to be affected by hydroperiod and we also observed evidence of Hg biomagnification along the rice fields' aquatic food webs.
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Affiliation(s)
- Moisès Sánchez-Fortún
- Department of Evolutionary Biology, Ecology and Environmental Sciences, University of Barcelona, Barcelona, Spain; Institut de Recerca de la Biodiversitat (IRBio), University of Barcelona, Barcelona, Spain.
| | - Josep Lluís Carrasco
- Biostatistics, Department of Basic Clinical Practice, University of Barcelona, Barcelona, Spain.
| | - Sergi Díez
- Environmental Chemistry Department, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, E-08034, Barcelona, Spain.
| | - David Amouroux
- Université de Pau et des Pays de L'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France.
| | - Emmanuel Tessier
- Université de Pau et des Pays de L'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France.
| | - Sophie López-Carmona
- Department of Evolutionary Biology, Ecology and Environmental Sciences, University of Barcelona, Barcelona, Spain; UFR Sciences et Techniques, Université de Nantes, Nantes, France.
| | - Carola Sanpera
- Department of Evolutionary Biology, Ecology and Environmental Sciences, University of Barcelona, Barcelona, Spain; Institut de Recerca de la Biodiversitat (IRBio), University of Barcelona, Barcelona, Spain.
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Monteiro LC, Vieira LCG, Bernardi JVE, Bastos WR, de Souza JPR, Recktenvald MCNDN, Nery AFDC, Oliveira IADS, Cabral CDS, Moraes LDC, Filomeno CL, de Souza JR. Local and landscape factors influencing mercury distribution in water, bottom sediment, and biota from lakes of the Araguaia River floodplain, Central Brazil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168336. [PMID: 37949140 DOI: 10.1016/j.scitotenv.2023.168336] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 11/01/2023] [Accepted: 11/03/2023] [Indexed: 11/12/2023]
Abstract
Mercury (Hg) is a chemical element widely present in the Earth's crust. However, its high toxicity and ability to accumulate in organisms and biomagnify through food chains characterize it as a global pollutant of primary control. We assessed total mercury concentrations ([THg]) in abiotic and biotic compartments from 98 floodplain lakes associated with the Araguaia River and six tributaries (Midwest Brazil). [THg] quantification in water was performed by cold vapor atomic fluorescence spectroscopy. [THg] in bottom sediment was assessed using cold vapor generation atomic absorption spectrophotometry, while [THg] in macrophyte, periphyton, and plankton were quantified by thermal decomposition atomic absorption spectrometry. Hotspots of [THg] in water, bottom sediment, and macrophytes were determined in areas impacted by pasture and urban areas. In contrast, hotspots of [THg] in periphyton and forest fires were determined in preserved areas downstream. [THg] in plankton did not show a clear spatial distribution pattern. The mean bioaccumulation factor order was plankton (2.3 ± 1.8) > periphyton (1.3 ± 0.9) > macrophytes (0.7 ± 0.4) (KW = 55.09, p < 0.0001). Higher [THg] in water and bottom sediment were associated with high pH (R2adj = 0.118, p = 0.004) and organic matter (R2adj = 0.244, p < 0.0001). [THg] in macrophytes were positively influenced by [THg] in water (R2adj = 0.063, p = 0.024) and sediment (R2adj = 0.105, p = 0.007). [THg] in periphyton are positively related to forest fires (R2adj = 0.156, p = 0.009) and [THg] in macrophytes (R2adj = 0.061, p = 0.03) and negatively related to lake depth (R2adj = 0.045, p = 0.02). The transfer of Hg from water and sediment to the biota is limited. However, the progressive increase of the bioaccumulation factor between macrophyte, periphyton, and plankton may indicate Hg biomagnification along the food chain of the Araguaia River floodplain.
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Affiliation(s)
- Lucas Cabrera Monteiro
- Programa de Pós-Graduação em Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, DF, Brazil.
| | - Ludgero Cardoso Galli Vieira
- Núcleo de Estudos e Pesquisas Ambientais e Limnológicas, Faculdade UnB Planaltina, Universidade de Brasília, Planaltina, DF, Brazil
| | - José Vicente Elias Bernardi
- Laboratório de Geoestatística e Geodésia, Faculdade UnB Planaltina, Universidade de Brasília, Planaltina, DF, Brazil
| | | | | | | | | | | | - Cássio da Silva Cabral
- Laboratório de Biogeoquímica Ambiental, Universidade Federal de Rondônia, Porto Velho, RO, Brazil
| | - Lilian de Castro Moraes
- Programa de Pós-Graduação em Ciências Ambientais, Faculdade UnB Planaltina, Universidade de Brasília, Planaltina, DF, Brazil
| | - Cleber Lopes Filomeno
- Central Análítica, Instituto de Química, Universidade de Brasília, Brasília, DF, Brazil
| | - Jurandir Rodrigues de Souza
- Laboratório de Química Analítica e Ambiental, Instituto de Química, Universidade de Brasília, Brasília, DF, Brazil
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Saidon NB, Szabó R, Budai P, Lehel J. Trophic transfer and biomagnification potential of environmental contaminants (heavy metals) in aquatic ecosystems. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 340:122815. [PMID: 37898430 DOI: 10.1016/j.envpol.2023.122815] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 10/30/2023]
Abstract
Physical, chemical weathering and volcanic eruptions release heavy metals into soils and surface waters naturally. Contaminants from anthropogenic sources originated from industrial and municipality waste substantially modify and increase their contributions. They are then absorbed by fish gills, amphipod cuticles, and other sensitive organs of aquatic creatures. This article discusses the essences on the determination, potential and plausible factors of trophic transfer and biomagnification of environmental contaminants particularly heavy metals across aquatic ecosystem. In general, arsenic is found to be bio-diminished across food webs in freshwater ecosystem while it biomagnified in marine ecosystem of higher trophic level (tertiary consumer of predatory fish) and dilute its concentration from lower trophic level (from producer to bottom level of consumer, secondary and lastly to tertiary consumer (forage fish)). Early study for Cadmium shown that it has no potential for biomagnification while later studies prove that cadmium does magnify for gastropod and epiphyte-based food webs. Mercury shown obvious biomagnification potential where it can bio-magnify from trophic level as low as particulate organic matter (POM) to higher trophic of fish. These findings proved that aquatic ecosystems must be preserved from contamination not just for human benefit, but also to prevent environmental degradation and biodiversity loss.
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Affiliation(s)
- Nadhirah B Saidon
- Department of Plant Protection, Hungarian University of Agriculture and Life Sciences, Georgikon Campus, 8360, Keszthely, Hungary
| | - Rita Szabó
- Department of Plant Protection, Hungarian University of Agriculture and Life Sciences, Georgikon Campus, 8360, Keszthely, Hungary
| | - Péter Budai
- Department of Plant Protection, Hungarian University of Agriculture and Life Sciences, Georgikon Campus, 8360, Keszthely, Hungary.
| | - József Lehel
- Department of Food Hygiene, University of Veterinary Medicine Budapest, 1078, Budapest, Hungary; National Laboratory for Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, University of Veterinary Medicine Budapest, 1078, Budapest, Hungary
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10
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Senila M, Levei EA, Frentiu T, Mihali C, Angyus SB. Assessment of mercury bioavailability in garden soils around a former nonferrous metal mining area using DGT, accumulation in vegetables, and implications for health risk. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1554. [PMID: 38036722 DOI: 10.1007/s10661-023-12144-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 11/13/2023] [Indexed: 12/02/2023]
Abstract
Mercury (Hg) is a toxic, non-essential element for living organisms, frequently present in high concentrations in soils from industrial areas. The total, dissolved, and labile Hg concentrations in garden soils and their accumulation in edible vegetables (onion, garlic, lettuce, and parsley) grown on contaminated soils in localities situated a former mining area were evaluated. The labile Hg fraction was estimated by diffusive gradient in thin films (DGT). The soil-to-vegetable transfer factors, as well as the health risk by exposure to Hg, were calculated based on the labile Hg concentration in soil. The total Hg concentration in soil varied widely (0.11-3.77 mg kg-1), Hg in soil solution ranged between 2.14 and 20.2 μg L-1 and labile Hg between 1.13 and 18.6 μg L-1. About 36-96% (84% on average) of the Hg concentration in soil solution was found in labile form. Multivariate analysis revealed significant correlations between the labile Hg concentration in soil and Hg accumulated in vegetables. The hazard indices showed that, although the study area is affected by legacy pollution, exposure to soil and consumption of locally grown vegetables do not pose health risks.
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Affiliation(s)
- Marin Senila
- INCDO INOE 2000, Research Institute for Analytical Instrumentation, Donath 67, 400293, Cluj-Napoca, Romania.
| | - Erika Andrea Levei
- INCDO INOE 2000, Research Institute for Analytical Instrumentation, Donath 67, 400293, Cluj-Napoca, Romania
| | - Tiberiu Frentiu
- Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, Arany Janos 11, 400028, Cluj-Napoca, Romania
| | - Cristina Mihali
- Faculty of Sciences, Technical University of Cluj Napoca, Baia Mare, Victoriei 76, 430122, Baia-Mare, Romania
| | - Simion Bogdan Angyus
- INCDO INOE 2000, Research Institute for Analytical Instrumentation, Donath 67, 400293, Cluj-Napoca, Romania
- Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, Arany Janos 11, 400028, Cluj-Napoca, Romania
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11
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Zhang S, Qu W, Chen S, Guo D, Xue K, Li R, Zhang J, Yang L. A specific visual-volumetric sensor for mercury ions based on smart hydrogel. Analyst 2023; 148:5942-5948. [PMID: 37853759 DOI: 10.1039/d3an01224g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
On the basis of the "seeing is believing" concept and the existing theory of Hg2+ coordination chemistry, for the first time, we innovatively designed and synthesized a visual-volumetric sensor platform with fluorescein and uracil functionalized polyacrylamide hydrogel. Without the aid of any complicated instruments and power sources, the sensor-enabled quantitative μM-level Hg2+ detection Hg2+ by reading graduation on a pipette with the naked eye. The sensor undergoes volumetric response and shows a wide linear response range to Hg2+ (1.0 × 10-6-5.0 × 10-5 mol L-1) with 2.8 × 10-7 mol L-1 as the detection limit. The highly selective (easily distinguished Hg2+ from other common metal ions), rapid response (∼30 min), and acceptable repeatability (RSD < 5% in all cases) demonstrated that the developed sensor is suitable for onsite practical use for the determination of Hg2+ while being low-cost, simple, and portable. The design principles of the obtained materials and the construction techniques and methods of the sensors described in our study provide a new idea for the research and development of smart materials and a series of visual-volumetric sensors for other analytes.
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Affiliation(s)
- Shenghai Zhang
- School of Chemistry and Chemical Engineering, Ankang University, Quality Supervision and Inspection Centre of Se-enriched Food of Shaanxi Province, Shaanxi University Innovation Research Institute of Advanced Energy Storage Materials and Battery Technology for Future Industrialization, Ankang Research Centre of New Nano-materials Science and Technology Research Centre, Ankang, Shaanxi Province, 725000, P. R. China.
| | - Wenzhong Qu
- School of Chemistry and Chemical Engineering, Ankang University, Quality Supervision and Inspection Centre of Se-enriched Food of Shaanxi Province, Shaanxi University Innovation Research Institute of Advanced Energy Storage Materials and Battery Technology for Future Industrialization, Ankang Research Centre of New Nano-materials Science and Technology Research Centre, Ankang, Shaanxi Province, 725000, P. R. China.
| | - Simeng Chen
- School of Chemistry and Chemical Engineering, Ankang University, Quality Supervision and Inspection Centre of Se-enriched Food of Shaanxi Province, Shaanxi University Innovation Research Institute of Advanced Energy Storage Materials and Battery Technology for Future Industrialization, Ankang Research Centre of New Nano-materials Science and Technology Research Centre, Ankang, Shaanxi Province, 725000, P. R. China.
| | - Dian Guo
- School of Chemistry and Chemical Engineering, Ankang University, Quality Supervision and Inspection Centre of Se-enriched Food of Shaanxi Province, Shaanxi University Innovation Research Institute of Advanced Energy Storage Materials and Battery Technology for Future Industrialization, Ankang Research Centre of New Nano-materials Science and Technology Research Centre, Ankang, Shaanxi Province, 725000, P. R. China.
| | - Kaixi Xue
- School of Chemistry and Chemical Engineering, Ankang University, Quality Supervision and Inspection Centre of Se-enriched Food of Shaanxi Province, Shaanxi University Innovation Research Institute of Advanced Energy Storage Materials and Battery Technology for Future Industrialization, Ankang Research Centre of New Nano-materials Science and Technology Research Centre, Ankang, Shaanxi Province, 725000, P. R. China.
| | - Run Li
- School of Chemistry and Chemical Engineering, Ankang University, Quality Supervision and Inspection Centre of Se-enriched Food of Shaanxi Province, Shaanxi University Innovation Research Institute of Advanced Energy Storage Materials and Battery Technology for Future Industrialization, Ankang Research Centre of New Nano-materials Science and Technology Research Centre, Ankang, Shaanxi Province, 725000, P. R. China.
| | - Jidong Zhang
- School of Chemistry and Chemical Engineering, Ankang University, Quality Supervision and Inspection Centre of Se-enriched Food of Shaanxi Province, Shaanxi University Innovation Research Institute of Advanced Energy Storage Materials and Battery Technology for Future Industrialization, Ankang Research Centre of New Nano-materials Science and Technology Research Centre, Ankang, Shaanxi Province, 725000, P. R. China.
| | - Lingjian Yang
- School of Chemistry and Chemical Engineering, Ankang University, Quality Supervision and Inspection Centre of Se-enriched Food of Shaanxi Province, Shaanxi University Innovation Research Institute of Advanced Energy Storage Materials and Battery Technology for Future Industrialization, Ankang Research Centre of New Nano-materials Science and Technology Research Centre, Ankang, Shaanxi Province, 725000, P. R. China.
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12
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Henriques MC, Carvalho I, Santos C, Herdeiro MT, Fardilha M, Pavlaki MD, Loureiro S. Unveiling the molecular mechanisms and developmental consequences of mercury (Hg) toxicity in zebrafish embryo-larvae: A comprehensive approach. Neurotoxicol Teratol 2023; 100:107302. [PMID: 37739188 DOI: 10.1016/j.ntt.2023.107302] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 09/19/2023] [Accepted: 09/19/2023] [Indexed: 09/24/2023]
Abstract
Mercury (Hg) is a global contaminant affecting aquatic ecosystems' health. Chronic exposure to Hg has shown that the normal development of zebrafish embryo-larvae is affected. However, the molecular mechanisms behind the toxicity of Hg on fish embryonic development are still poorly understood. This work aimed to investigate the effects of Hg exposure on zebrafish embryo-larvae using a combined approach at individual (mortality, embryo development and locomotor behavior) and biochemical (neurotoxicity and oxidative stress enzymatic activities and protein phosphatase expression) levels. The Fish Embryo Toxicity assay followed the Organization for Economic Cooperation and Development Guideline 236 and used a concentration range between 13 and 401 μg Hg/L. Lethal and developmental endpoints were examined at 24, 48, 72 and 96 hpf. Biochemical markers, including Acetylcholinesterase (AChE), Catalase (CAT), Glutathione Reductase (GR), and Glutathione-S-Transferase (GST) activities and, for the first time, the expression of the protein phosphatase 1 gamma (PP1γ) was assessed after 24, 48, 72 and 96 h of exposure to 10 and 100 μg Hg/L. The behavioral effects of a sublethal range of Hg (from 0.8 to 13 μg Hg/L) were assessed using an automated video tracking system at 120 hpf. Several developmental abnormalities on zebrafish embryos and larvae, including pericardial edema, spin and tail deformities and reduced rate of consumption of the yolk sac, were found after exposure to Hg (LC50 at 96 hpf of 139 μg Hg/L) with EC50 values for total malformations ranging from 22 to 264 μg Hg/L. After 96 hpf, no significant effects were observed in the CAT and GR activities. However, an increase in the GST activity in a concentration and time-dependent manner was found, denoting possible stress-related adaptation of zebrafish embryos to deleterious effects of Hg exposure. The AchE activity showed a response pattern in line with the behavioral responses. At the lowest concentration tested, no significant effects were found for the AChE activity, whereas a decrease in AChE activity was observed at 100 μg Hg/L, suggesting that exposure to Hg induced neurotoxic effects in zebrafish embryos which in turn may explain the lack of equilibrium found in this study (EC50 at 96 hpf of 83 μg Hg/L). Moreover, a decrease in the PP1γ expression was found after 96 h of exposure to 10 and 100 μg Hg/L. Thus, we suggest that Hg may be an inhibitor of PP1γ in zebrafish embryos-larvae and thus, along with the alterations in the enzymatic activity of GST, explain some of the developmental malformations observed, as well as the lack of equilibrium. Hence, in this study, we propose the use of PP1 expression, in combination with apical and biochemical endpoints, as a precursor for assessing Hg's toxic mechanism on embryonic development.
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Affiliation(s)
- Magda Carvalho Henriques
- Institute of Biomedicine (iBiMED) & Department of Medical Sciences, University of Aveiro, Aveiro, Portugal; CESAM - Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, Aveiro, Portugal
| | - Inês Carvalho
- Department of Biology, University of Aveiro, Aveiro, Portugal
| | - Cátia Santos
- CESAM - Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, Aveiro, Portugal
| | - Maria Teresa Herdeiro
- Institute of Biomedicine (iBiMED) & Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - Margarida Fardilha
- Institute of Biomedicine (iBiMED) & Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - Maria Dimitriou Pavlaki
- CESAM - Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, Aveiro, Portugal.
| | - Susana Loureiro
- CESAM - Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, Aveiro, Portugal
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13
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Dung LV, Tue NT, Lam PV, Quy TD, Canh VM, Tam ND, Nhuan MT. Stable Isotopes (δ 13C and δ 15N) and Trace Elements of Invertebrates and Fish from the Coastal Waters of Ha Tinh Province, Central Vietnam. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2023; 85:229-244. [PMID: 37017706 DOI: 10.1007/s00244-023-00992-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 03/21/2023] [Indexed: 06/19/2023]
Abstract
Stable isotope signatures (δ13C, δ15N) and trace elements (TEs) were analyzed from invertebrates and fish to assess food web structure and the biomagnification or biodilution of Cu, Pb, Cd, Zn, Mn, Cr, Hg and As in coastal waters of Ha Tinh Province, Central Vietnam. δ13C and δ15N values of purported food sources (sediments, phytoplankton, macroalgae, and zooplankton) ranged from -21.24 ± 0.39‰ to -16.72 ± 1.02‰ and from 3.02 ± 0.70‰ to 7.30 ± 0.42‰, respectively. The δ13C and δ15N values in invertebrates and fish ranged from -19.75 ± 0.10‰ to -18.68 ± 0.40‰, and from 7.02 ± 1.21‰ to 9.10 ± 0.29‰. The δ15N values showed that the food web structure could be divided into four trophic levels. The benthic invertebrates had significantly higher concentrations of Cu, Pb, Zn, Cd and As. Hg concentrations tended to accumulate higher in the crabs and fish. The biodilution of Pb, Cd, Zn, Cr was observed throughout the food web, whereas biomagnification was observed for Cr, Mn, and As in bivalves; Cd and Zn in gastropods; Pb, Cd, Zn, and As in crabs; Cd in prawns and Hg in fish.
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Affiliation(s)
- Luu Viet Dung
- VNU Key Laboratory of Geoenvironment and Climate Change Response, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam
| | - Nguyen Tai Tue
- VNU Key Laboratory of Geoenvironment and Climate Change Response, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam.
- Faculty of Geology, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam.
| | - Pham Van Lam
- Vietnam Administration of Seas and Islands, 83 Nguyen Chi Thanh, Dong Da, Hanoi, Vietnam
| | - Tran Dang Quy
- VNU Key Laboratory of Geoenvironment and Climate Change Response, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam
- Faculty of Geology, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam
| | - Vo Minh Canh
- VNU School of Interdisciplinary Studies, Vietnam National University, Hanoi, Vietnam
| | - Nguyen Duc Tam
- VNU School of Interdisciplinary Studies, Vietnam National University, Hanoi, Vietnam
| | - Mai Trong Nhuan
- VNU Key Laboratory of Geoenvironment and Climate Change Response, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam
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14
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Calao-Ramos CR, Marrugo Negrete JL, Urango Cárdenas I, Díez S. Genotoxicity and mutagenicity in blood and drinking water induced by arsenic in an impacted gold mining region in Colombia. ENVIRONMENTAL RESEARCH 2023; 233:116229. [PMID: 37236386 DOI: 10.1016/j.envres.2023.116229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/12/2023] [Accepted: 05/23/2023] [Indexed: 05/28/2023]
Abstract
Arsenic (As) is one of the most dangerous substances that can affect human health and long-term exposure to As in drinking water can even cause cancer. The objective of this study was to investigate the concentrations of total As in the blood of inhabitants of a Colombian region impacted by gold mining and to evaluate its genotoxic effect through DNA damage by means of the comet assay. Additionally, the concentration of As in the water consumed by the population as well as the mutagenic activity of drinking water (n = 34) in individuals were determined by hydride generator atomic absorption spectrometry and the Ames test, respectively. In the monitoring, the study population was made up of a group of 112 people, including inhabitants of four municipalities: Guaranda, Sucre, Majagual, and San Marcos from the Mojana region as the exposed group, and Montería as a control group. The results showed DNA damage related to the presence of As in blood (p < 0.05) in the exposed population, and blood As concentrations were above the maximum allowable limit of 1 μg/L established by the ATSDR. A mutagenic activity of the drinking water was observed, and regarding the concentrations of As in water, only one sample exceeded the maximum permissible value of 10 μg/L established by the WHO. The intake of water and/or food containing As is potentially generating DNA damage in the inhabitants of the Mojana region, which requires surveillance and control by health entities to mitigate these effects.
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Affiliation(s)
- Clelia Rosa Calao-Ramos
- Universidad de Córdoba, Carrera 6 No. 77-305, Montería, Research Group in Water, Applied and Environmental Chemistry, Córdoba, Colombia; Universidad de Córdoba, Carrera 6 No. 76-103, Montería, College of Health Sciences, Bacteriology Department, Córdoba, Colombia
| | - Jose Luis Marrugo Negrete
- Universidad de Córdoba, Carrera 6 No. 77-305, Montería, Research Group in Water, Applied and Environmental Chemistry, Córdoba, Colombia.
| | - Iván Urango Cárdenas
- Universidad de Córdoba, Carrera 6 No. 77-305, Montería, Research Group in Water, Applied and Environmental Chemistry, Córdoba, Colombia
| | - Sergi Díez
- Environmental Chemistry Department, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Jordi Girona, 18-26, 08034, Barcelona, Spain.
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15
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Llamazares Vegh S, Biolé F, Volpedo AV. Essential and toxic elements in juvenile migratory commercial fish species in the Paraná River alluvial valley (South America): an approach for aquatic environmental monitoring. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1079. [PMID: 37615805 DOI: 10.1007/s10661-023-11692-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 08/07/2023] [Indexed: 08/25/2023]
Abstract
The Paraná River is the sixth largest in the world, and the lower section of the river is one of the largest and most productive floodplain wetlands in South America. The alluvial plain is an important habitat for nursery and feeding areas for commercial fish; however, it has been heavily anthropized due to industries, agricultural activities, and the growth and expansion of metropolitan areas. The aim of this study was to determine element accumulation (As, Cd, Cr, Cu, Fe, Mn, Pb, and Zn) in young-of-the-year fish muscle from a floodplain lagoon of the lower Paraná River (Argentina) during summer and winter seasons, in relation with abiotic matrices (water and sediment). Four commercial fish species were assessed: sábalo (Prochilodus lineatus), boga (Megaleporinus obtusidens), dorado (Salminus brasiliensis), and pirapitá (Brycon orbignyanus). The concentrations of eight elements were detected by quadrupole inductively coupled plasma mass spectrometry. In water samples, Cd, Cr, Mn, Fe, and Zn levels were under the permissible limits for aquatic biota protection in both seasons, except for Pb (> 1 μg L-1) and Cu (> 2 μg L-1). In sediment, the average concentrations of all elements were under the limits set by national and international regulatory authorities. Differences in elemental concentrations between species and seasons were found. In general, the levels of elements in water were higher in summer than in winter, while in sediment, the lowest concentrations of elements were detected during the summer. The order of element concentration in fish muscle was Cd (0.01-0.04 μg g-1) < As (0.02-0.16 μg g-1) < Pb (0.03-0.23 μg g-1) < Mn (0.77-4.32 μg g-1) < Cu (1.01-4.07 μg g-1) < Cr (1.09-4.30 μg g-1) < Zn (15.8-31.7 μg g -1) < Fe (12.6-49.7 μg g-1). The accumulation assessment showed that the four fish species significantly accumulate Cr, Cu and Zn, and As and Zn from water and sediment, respectively. The correlation analysis showed a relationship between fish size and As, Cr, Cu, Fe, Mn, and Zn concentrations. Similarly, the highest values of element concentrations in muscle were detected during the summer when the fishes are early juveniles. The level of As, Cd, and Pb detected in B. orbignyanus, M. obtusidens, and P. lineatus juveniles suggested that these species had the potential to be used as biomarkers for assessing accumulation of toxic elements in the environment. Also, this study reveals that the accumulation patterns differ between size and fish species, which should be a considered insight at the moment of selecting a bioindicator to monitor pollution in the ecosystem.
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Affiliation(s)
- Sabina Llamazares Vegh
- Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Buenos Aires, Argentina.
- CONICET - Universidad de Buenos Aires Instituto de Investigaciones en Producción Animal (INPA), Av. Chorroarín 280 (C1427CWO), Buenos Aires, Argentina.
| | - Fernanda Biolé
- CONICET - Universidad Nacional de Villa María Instituto Multidisciplinario de Investigación y Transferencia Agroalimentaria y Biotecnología (IMITAB), Av. A. Jauretche 1555 (CP5900), Villa María, Córdoba, Argentina
| | - Alejandra V Volpedo
- Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Buenos Aires, Argentina
- CONICET - Universidad de Buenos Aires Instituto de Investigaciones en Producción Animal (INPA), Av. Chorroarín 280 (C1427CWO), Buenos Aires, Argentina
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16
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Chen J, Tao J, Yu HF, Ma CP, Tan F, Wang XC. Highly selective chemosensor for the sensitive detection of Hg 2+ in aqueous media and its cell imaging application. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 296:122648. [PMID: 36966729 DOI: 10.1016/j.saa.2023.122648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 03/15/2023] [Accepted: 03/16/2023] [Indexed: 06/18/2023]
Abstract
The deleterious toxicity of Hg2+ on ecological and biological system makes it crucial for the precise monitoring of Hg2+. Herein, we prepared a novel "turn-on" chemosensor N'-(4-(methylthio)butan-2-ylidene) rhodamine B hydrazide (denoted as MTRH) by a simple two-step reaction. MTRH exhibited an ultra-low detection limit (LOD) in fluorescence measurement of Hg2+ in pure aqueous media, which was estimated to be 1.3 × 10-9 mol·L-1. Moreover, the proposed chemosensor holds the ability of visualizing Hg2+ by the distinct color change of the solution. The corresponding recognition mechanism was investigated by Job's plots, mass spectrometry and DFT calculation analysis. Importantly, the characteristics such as high sensitivity, low cytotoxicity and good biocompatibility of MTRH exhibited in the application of detecting Hg2+ in real water sample and bioimaging of intracellular Hg2+ prove that MTRH is a promising tool to evaluate the levels of Hg2+ in complex biological systems.
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Affiliation(s)
- Jin Chen
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Jing Tao
- College of Chemistry and Life Science, Anshan Normal University, Anshan 114016, China
| | - Hai-Feng Yu
- College of Chemistry, Baicheng Normal University, Baicheng, Jilin 137000, China
| | - Cui-Ping Ma
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Feng Tan
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Xiao-Chun Wang
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
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17
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Han Y, Jiang Y, Xiong X, Sui X, Zhu R, Feng X, Li K, Jia Y, Chen Y. Mercury biomagnification at higher rates than the global average in aquatic ecosystems of the Qinghai-Tibet Plateau. JOURNAL OF HAZARDOUS MATERIALS 2023; 453:131408. [PMID: 37080022 DOI: 10.1016/j.jhazmat.2023.131408] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 03/16/2023] [Accepted: 04/11/2023] [Indexed: 05/03/2023]
Abstract
Mercury biomagnification in aquatic ecosystems is a global issue. Biomagnification patterns and drivers in alpine regions remain poorly understood. Hg biomagnification in the aquatic food web of the Qinghai-Tibetan Plateau (Q-T Plateau) was investigated. A total of 302 fish and macroinvertebrate tissue samples were analysed for total mercury (THg) and nitrogen (δ15N) stable isotope ratios. Overall, 26.75% of fish individuals exceeded the USFWS consumption guidelines. A total of 52.17% of the sampling sites covering different habitats exhibited a significantly positive THg-δ15N relationship, which confirmed the Hg biomagnification potential of Q-T Plateau aquatic ecosystems. The Q-T Plateau Hg biomagnification rates were generally far higher than global averages regardless of the habitat type. Hg in sediments, elevation and population density were positively related to the Hg biomagnification magnitude on the Q-T Plateau, which could be attributed to the disproportionate response of Hg concentrations in macroinvertebrates and fishes along environmental gradients. Our findings offer empirical evidence that fish consumption on the Q-T Plateau poses a substantial Hg exposure risk to people living along river and lake shores. Higher biomagnification rates could further disproportionately accelerate Hg pollution in Q-T Plateau aquatic ecosystems under future anthropogenic activities and climate warming trajectories.
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Affiliation(s)
- Yuzhu Han
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yihang Jiang
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Xiong Xiong
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Xiaoyun Sui
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Ren Zhu
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Xiu Feng
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Kemao Li
- Qinghai Provincial Fishery Technology Extension Center, Xining 810012, China
| | - Yintao Jia
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China.
| | - Yifeng Chen
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China.
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18
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de Oliveira AP, Naozuka J, Landero Figueroa JA. Feasibility study for mercury remediation by selenium competition in Pleurotus mushrooms. JOURNAL OF HAZARDOUS MATERIALS 2023; 451:131098. [PMID: 36893598 DOI: 10.1016/j.jhazmat.2023.131098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 02/08/2023] [Accepted: 02/25/2023] [Indexed: 06/18/2023]
Abstract
Mushrooms may incorporate significant levels of Hg making its consumption harmful to human health. Mercury remediation induced by Se competition in edible mushrooms represents a valuable alternative since Se plays effective roles against Hg uptake, accumulation, and toxicity. In this way, Pleurotus ostreatus and Pleurotus djamor were cultivated on Hg-contaminated substrate simultaneously supplemented with Se(IV) or Se(VI) under different dosages in this study. The protective role of Se was assessed taking into account morphological characteristics and Hg and Se total concentrations determined by ICP-MS, as well as proteins and protein-bound Hg and Se distribution by SEC-UV-ICP-MS, and Hg speciation studies (Hg(II) and MeHg) by HPLC-ICP-MS. Both Se(IV) and Se(VI) supplementation were able to recover the morphology mainly of Hg-contaminated Pleurotus ostreatus. The mitigation effects induced by Se(IV) stood out more than Se(VI) in terms of Hg incorporation, decreasing the total Hg concentration up to 96 %. Also, it was found that supplementation mainly with Se(IV) reduced the fraction of Hg bound to medium molecular weight compounds (17-44 kDa) up to 80 %. Finally, it was shown a Se-induced inhibitory effect on Hg methylation, decreasing MeHg species content in mushrooms exposed to Se(IV) (51.2 µg g-1) up to 100 %.
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Affiliation(s)
- Aline Pereira de Oliveira
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA; Department of Chemistry, Universidade Federal de São Paulo, Diadema, SP 09972-270, Brazil
| | - Juliana Naozuka
- Department of Chemistry, Universidade Federal de São Paulo, Diadema, SP 09972-270, Brazil.
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19
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Sigmund G, Ågerstrand M, Antonelli A, Backhaus T, Brodin T, Diamond ML, Erdelen WR, Evers DC, Hofmann T, Hueffer T, Lai A, Torres JPM, Mueller L, Perrigo AL, Rillig MC, Schaeffer A, Scheringer M, Schirmer K, Tlili A, Soehl A, Triebskorn R, Vlahos P, Vom Berg C, Wang Z, Groh KJ. Addressing chemical pollution in biodiversity research. GLOBAL CHANGE BIOLOGY 2023; 29:3240-3255. [PMID: 36943240 DOI: 10.1111/gcb.16689] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 03/12/2023] [Indexed: 05/16/2023]
Abstract
Climate change, biodiversity loss, and chemical pollution are planetary-scale emergencies requiring urgent mitigation actions. As these "triple crises" are deeply interlinked, they need to be tackled in an integrative manner. However, while climate change and biodiversity are often studied together, chemical pollution as a global change factor contributing to worldwide biodiversity loss has received much less attention in biodiversity research so far. Here, we review evidence showing that the multifaceted effects of anthropogenic chemicals in the environment are posing a growing threat to biodiversity and ecosystems. Therefore, failure to account for pollution effects may significantly undermine the success of biodiversity protection efforts. We argue that progress in understanding and counteracting the negative impact of chemical pollution on biodiversity requires collective efforts of scientists from different disciplines, including but not limited to ecology, ecotoxicology, and environmental chemistry. Importantly, recent developments in these fields have now enabled comprehensive studies that could efficiently address the manifold interactions between chemicals and ecosystems. Based on their experience with intricate studies of biodiversity, ecologists are well equipped to embrace the additional challenge of chemical complexity through interdisciplinary collaborations. This offers a unique opportunity to jointly advance a seminal frontier in pollution ecology and facilitate the development of innovative solutions for environmental protection.
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Affiliation(s)
- Gabriel Sigmund
- Department of Environmental Geosciences, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, 1090, Austria
| | - Marlene Ågerstrand
- Department of Environmental Science, Stockholm University, Stockholm, Sweden
| | - Alexandre Antonelli
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
- Department of Biological and Environmental Sciences, University of Gothenburg, 40530, Gothenburg, Sweden
- Department of Biology, University of Oxford, South Parks Road, OX1 3RB, Oxford, UK
- Gothenburg Global Biodiversity Centre, 40530, Gothenburg, Sweden
| | - Thomas Backhaus
- Department of Biological and Environmental Sciences, University of Gothenburg, 40530, Gothenburg, Sweden
| | - Tomas Brodin
- Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences, 90187, Umeå, Sweden
| | - Miriam L Diamond
- Department of Earth Sciences and School of the Environment, University of Toronto, Toronto, Ontario, M5S 3B1, Canada
| | | | - David C Evers
- Biodiversity Research Institute, Portland, Maine, 04103, USA
| | - Thilo Hofmann
- Department of Environmental Geosciences, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, 1090, Austria
| | - Thorsten Hueffer
- Department of Environmental Geosciences, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, 1090, Austria
| | - Adelene Lai
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, 6 avenue du Swing, 4367, Belvaux, Luxembourg
- Institute for Inorganic and Analytical Chemistry, Friedrich-Schiller University, Lessing Strasse 8, 07743, Jena, Germany
| | - Joao P M Torres
- Laboratório de Micropoluentes Jan Japenga, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leonie Mueller
- Institute for Environmental Research, RWTH Aachen University, 52074, Aachen, Germany
| | - Allison L Perrigo
- Department of Biological and Environmental Sciences, University of Gothenburg, 40530, Gothenburg, Sweden
- Gothenburg Global Biodiversity Centre, 40530, Gothenburg, Sweden
- Lund University Botanical Garden, Lund, Sweden
| | - Matthias C Rillig
- Freie Universität Berlin, Institut für Biologie, Altensteinstr. 6, 14195, Berlin, Germany
- Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), 14195, Berlin, Germany
| | - Andreas Schaeffer
- Institute for Environmental Research, RWTH Aachen University, 52074, Aachen, Germany
- School of the Environment, State Key Laboratory of Pollution Control and Resource Reuse, 210023, Nanjing, China
- Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Chongqing University, 400045, Chongqing, China
| | - Martin Scheringer
- RECETOX, Masaryk University, 62500, Brno, Czech Republic
- ETH Zürich, Institute of Biogeochemistry and Pollutant Dynamics, 8092, Zürich, Switzerland
| | - Kristin Schirmer
- ETH Zürich, Institute of Biogeochemistry and Pollutant Dynamics, 8092, Zürich, Switzerland
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600, Dübendorf, Switzerland
- School of Architecture, Civil and Environmental Engineering, EPF Lausanne, 1015, Lausanne, Switzerland
| | - Ahmed Tlili
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600, Dübendorf, Switzerland
| | - Anna Soehl
- International Panel on Chemical Pollution, 8092, Zürich, Switzerland
| | - Rita Triebskorn
- Animal Physiological Ecology, University of Tübingen, Auf der Morgenstelle 5, D-72076, Tübingen, Germany
- Transfer Center Ecotoxicology and Ecophysiology, Blumenstr. 13, D-72108, Rottenburg, Germany
| | - Penny Vlahos
- Department of Marine Sciences, University of Connecticut, Groton, Connecticut, USA
| | - Colette Vom Berg
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600, Dübendorf, Switzerland
| | - Zhanyun Wang
- Empa - Swiss Federal Laboratories for Materials Science and Technology, Technology and Society Laboratory, CH-9014, St. Gallen, Switzerland
| | - Ksenia J Groh
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600, Dübendorf, Switzerland
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20
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Cruz-Esquivel Á, Díez S, Marrugo-Negrete JL. Genotoxicity effects in freshwater fish species associated with gold mining activities in tropical aquatic ecosystems. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 253:114670. [PMID: 36857922 DOI: 10.1016/j.ecoenv.2023.114670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 02/03/2023] [Accepted: 02/18/2023] [Indexed: 06/18/2023]
Abstract
The main aim of this study was to investigate total mercury (THg), methylmercury (MeHg) and arsenic (As) concentrations, and their genotoxic effects on fish species in freshwater habitats impacted by gold mining activities in the Mojana and Bajo Cauca regions (Northern Colombia). A total of 255 individuals of Prochilodus magdalenae (PM) and Hoplias malabaricus (HM) were collected in different areas of northern Colombia, 205 in the exposed groups: Mojana 1 (61), Mojana 2 (81) and Bajo Cauca (63); and 50 individuals in the control group. Dorsal muscle was analysed for pollutants and blood to perform micronucleus (MN) and erythrocytic nuclear alterations (ENA) tests. The results of the MN revealed statistically significant (p < 0.05) genetic damage in both PM (Mojana 1 = 29.7 ± 14.2; Mojana 2 = 25 ± 6.25; Bajo Cauca= 26.6 ± 10.6) and in HM (Mojana 1 = 17.7 ± 7.8; Mojana 2 = 20.4 ± 6.3; Bajo Cauca= 20.8 ± 9.8) compared to the control group (PM= 10.5 ± 3.6; HM= 9.1 ± 3.9). Likewise, the frequency of ENA was statistically higher in the exposed groups compared to the control group (p < 0.05). On the other hand, the concentrations of THg, MeHg and As found in tissue samples were significantly higher (p < 0.05) compared to the control group, being the Bajo Cauca region the area of highest risk due to high concentrations of THg (651.2 ± 344.5 μg/kg for HM and 678.5 ± 983.9 μg/kg for PM) and MeHg (504.6 ± 220.9 μg/kg for HM and 606.8 ± 886.4 μg/kg for PM). Results showed that mean THg values for both species in Bajo Cauca exceeded the WHO maximum limit (set in 500 μg Hg/kg) in fish for human consumption. Results suggest that DNA damage in erythrocytes is associated with the presence of Hg, MeHg and As, coming from mining activities.
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Affiliation(s)
| | - Sergi Díez
- Environmental Chemistry Department, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, E-08034 Barcelona, Spain.
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21
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Alowaifeer AM, Clingenpeel S, Kan J, Bigelow PE, Yoshinaga M, Bothner B, McDermott TR. Arsenic and Mercury Distribution in an Aquatic Food Chain: Importance of Femtoplankton and Picoplankton Filtration Fractions. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:225-241. [PMID: 36349954 PMCID: PMC10753857 DOI: 10.1002/etc.5516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/11/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
Arsenic (As) and mercury (Hg) were examined in the Yellowstone Lake food chain, focusing on two lake locations separated by approximately 20 km and differing in lake floor hydrothermal vent activity. Sampling spanned from femtoplankton to the main fish species, Yellowstone cutthroat trout and the apex predator lake trout. Mercury bioaccumulated in muscle and liver of both trout species, biomagnifying with age, whereas As decreased in older fish, which indicates differential exposure routes for these metal(loid)s. Mercury and As concentrations were higher in all food chain filter fractions (0.1-, 0.8-, and 3.0-μm filters) at the vent-associated Inflated Plain site, illustrating the impact of localized hydrothermal inputs. Femtoplankton and picoplankton size biomass (0.1- and 0.8-μm filters) accounted for 30%-70% of total Hg or As at both locations. By contrast, only approximately 4% of As and <1% of Hg were found in the 0.1-μm filtrate, indicating that comparatively little As or Hg actually exists as an ionic form or intercalated with humic compounds, a frequent assumption in freshwaters and marine waters. Ribosomal RNA (18S) gene sequencing of DNA derived from the 0.1-, 0.8-, and 3.0-μm filters showed significant eukaryote biomass in these fractions, providing a novel view of the femtoplankton and picoplankton size biomass, which assists in explaining why these fractions may contain such significant Hg and As. These results infer that femtoplankton and picoplankton metal(loid) loads represent aquatic food chain entry points that need to be accounted for and that are important for better understanding Hg and As biochemistry in aquatic systems. Environ Toxicol Chem 2023;42:225-241. © 2022 SETAC.
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Affiliation(s)
- Abdullah M. Alowaifeer
- Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, Montana, USA
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana, USA
| | - Scott Clingenpeel
- Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, Montana, USA
- Washington River Protection Solutions, Richland, Washington, USA
| | - Jinjun Kan
- Microbiology Department, Stroud Water Research Center, Avondale, Pennsylvania, USA
| | - Patricia E. Bigelow
- US National Park Service, Center for Resources, Fisheries and Aquatic Sciences Program, Yellowstone National Park, Wyoming, USA
| | - Masafumi Yoshinaga
- Department of Cellular Biology and Pharmacology, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida, USA
| | - Brian Bothner
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana, USA
| | - Timothy R. McDermott
- Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, Montana, USA
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22
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Jędruch A, Falkowska L, Saniewska D, Grajewska A, Bełdowska M, Meissner W, Kalisińska E, Duzinkiewicz K, Pacyna JM. Mercury in the Polish part of the Baltic Sea: A response to decreased atmospheric deposition and changing environment. MARINE POLLUTION BULLETIN 2023; 186:114426. [PMID: 36473245 DOI: 10.1016/j.marpolbul.2022.114426] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 06/17/2023]
Abstract
Our review of the literature showed that since the beginning of the socio-economic transformation in Poland in the 1990s, the downward trend in Hg emissions and its deposition in the southern Baltic Sea was followed by a simultaneous decrease in Hg levels in water and marine plants and animals. Hg concentrations in the biota lowered to values that pose no or low risk to wildlife and seafood consumers. However, in the first decade of the current century, a divergence between these two trends became apparent and Hg concentrations in fish, herring and cod, began to rise. Therefore, increasing emission-independent anthropogenic pressures, which affect Hg uptake and trophodynamics, remobilization of land-based and marine legacy Hg deposits, as well as the structure of the food web, can undermine the chances of reducing both the Hg pool in the marine environment and human Hg exposure from fish.
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Affiliation(s)
- Agnieszka Jędruch
- University of Gdańsk, Faculty of Oceanography and Geography, Institute of Oceanography, Marszałka Józefa Piłsudskiego 46, 81-378 Gdynia, Poland; Polish Academy of Sciences, Institute of Oceanology, Powstańców Warszawy 55, 81-712 Sopot, Poland.
| | - Lucyna Falkowska
- University of Gdańsk, Faculty of Oceanography and Geography, Institute of Oceanography, Marszałka Józefa Piłsudskiego 46, 81-378 Gdynia, Poland
| | - Dominika Saniewska
- University of Gdańsk, Faculty of Oceanography and Geography, Institute of Oceanography, Marszałka Józefa Piłsudskiego 46, 81-378 Gdynia, Poland
| | - Agnieszka Grajewska
- Institute of Meteorology and Water Management - National Research Institute, Jerzego Waszyngtona 42, 81-342 Gdynia, Poland
| | - Magdalena Bełdowska
- University of Gdańsk, Faculty of Oceanography and Geography, Institute of Oceanography, Marszałka Józefa Piłsudskiego 46, 81-378 Gdynia, Poland
| | - Włodzimierz Meissner
- University of Gdańsk, Faculty of Biology, Wita Stwosza 59, 80-308 Gdańsk, Poland
| | - Elżbieta Kalisińska
- Pomeranian Medical University, Faculty of Pharmacy, Medical Biotechnology and Laboratory Medicine, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Kazimierz Duzinkiewicz
- Gdańsk University of Technology, Faculty of Electrical and Control Engineering, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Józef M Pacyna
- AGH University of Science and Technology, Faculty of Energy and Fuels, Adama Mickiewicza 30, 30-059 Kraków, Poland
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23
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Correia E, Granadeiro JP, Vale C, Catry T. Trace elements in relation to trophic ecology of long-distance migratory shorebirds and seabirds in West Africa. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 316:120674. [PMID: 36403880 DOI: 10.1016/j.envpol.2022.120674] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 11/11/2022] [Accepted: 11/14/2022] [Indexed: 06/16/2023]
Abstract
Shorebirds and seabirds are abundant predators in coastal habitats worldwide, relying upon a high diversity of benthic invertebrates and fish, respectively. While occupying different trophic guilds, they are differently exposed to element contamination entering the coastal food web. Therefore, these birds have been used as bioindicators of environmental contamination in marine ecosystems. We analysed the concentration of trace elements in blood samples of 16 shorebird and seabird migratory species in a major non-breeding site, the Bijagós Archipelago, in regard to their trophic ecology. Overall, our study shows low exposure of this bird community to toxic elements, except for Hg. Most species presented Hg burdens within the moderate toxicity threshold, but one species (Dunlin) presented values at a potential high Hg toxicity risk. We found a positive relationship between Se and Ni concentrations and δ15N values (a proxy for trophic level). In addition, a positive relationship was found between δ13C (a proxy for habitat characteristics) and Hg, Fe, Cu and Mn, while the opposite pattern was recorded for As. Differences were also shown for several trace elements between the two studied trophic guilds: concentrations of As, Pb and Se were higher in pelagic fish consumers (seabirds), whereas Cr, Fe and Sr burdens were higher in benthic invertebrate consumers (shorebirds). Although previous studies in the same site revealed very high concentrations of Cd and Pb in some of the prey species of shorebirds and seabirds (bivalves and fishes), values found in birds for these two elements suggest no toxicological risk. Thus, exposure to toxic elements is not currently a threat to coastal bird populations, namely those facing apparent local declines in Guinea-Bissau, one of the most important non-breeding quarters for of West Africa. Still, Hg burdens were high in some species, deserving further monitoring.
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Affiliation(s)
- Edna Correia
- Centro de Estudos do Ambiente e do Mar, Departamento de Biologia Animal, Faculdade de Ciências da Universidade de Lisboa, 1749-016, Lisboa, Portugal.
| | - José Pedro Granadeiro
- Centro de Estudos do Ambiente e do Mar, Departamento de Biologia Animal, Faculdade de Ciências da Universidade de Lisboa, 1749-016, Lisboa, Portugal
| | - Carlos Vale
- IPMA - Divisão de Oceanografia e Ambiente Marinho, Instituto Português Do Mar da Atmosfera, I.P., Avenida Doutor Alfredo Magalhães Ramalho, 6 1495-165, Algés, Portugal
| | - Teresa Catry
- Centro de Estudos do Ambiente e do Mar, Departamento de Biologia Animal, Faculdade de Ciências da Universidade de Lisboa, 1749-016, Lisboa, Portugal
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24
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Kammann U, Nogueira P, Siegmund M, Schmidt N, Schmolke S, Kirchgeorg T, Hasenbein M, Wysujack K. Temporal trends of mercury levels in fish (dab, Limanda limanda) and sediment from the German Bight (North Sea) in the period 1995-2020. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 195:73. [PMID: 36334139 PMCID: PMC9637065 DOI: 10.1007/s10661-022-10655-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
As a toxic and harmful global pollutant, mercury (Hg) enters the marine environment through natural sources, and human activities. It bioaccumulates through the food chain and therefore, Hg is of great importance for environmental monitoring. This study aims to answer the question if Hg contamination in fish and sediment from the German Bight follows temporal trends. Therefore, 496 individual female dab (Limanda limanda) were analyzed. The Hg concentrations in the muscle of dab from the German Bight showed significant increase in function of time with an annual percental change of 1.4%, leading to a 41% increase in Hg contamination level within 25 years of monitoring. At the same time, Hg concentrations in sediment-analyzed in 86 samples-significantly decreased in the nearby North Sea environment. This surprising contradiction is shown in the present study and possible causes are discussed. It could be clearly shown that contamination in sediment and biota can follow completely different time courses and therefore, different environmental matrices should be considered in future monitoring studies. Age of the fish turned out to be a biological factor of particular importance for temporal trend analysis.
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Affiliation(s)
- Ulrike Kammann
- Thünen Institute of Fisheries Ecology, Herwigstraße 31, 27572 Bremerhaven, Germany
| | - Pedro Nogueira
- Thünen Institute of Fisheries Ecology, Herwigstraße 31, 27572 Bremerhaven, Germany
| | - Maike Siegmund
- Thünen Institute of Fisheries Ecology, Herwigstraße 31, 27572 Bremerhaven, Germany
| | - Nicole Schmidt
- Thünen Institute of Fisheries Ecology, Herwigstraße 31, 27572 Bremerhaven, Germany
| | - Stefan Schmolke
- Federal Maritime and Hydrographic Agency, Wüstland 2, 22589 Hamburg, Germany
| | - Torben Kirchgeorg
- Federal Maritime and Hydrographic Agency, Wüstland 2, 22589 Hamburg, Germany
| | - Matthias Hasenbein
- Federal Maritime and Hydrographic Agency, Wüstland 2, 22589 Hamburg, Germany
| | - Klaus Wysujack
- Thünen Institute of Fisheries Ecology, Herwigstraße 31, 27572 Bremerhaven, Germany
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25
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Tian J, Lu Z, Sanganyado E, Gan Z, Wang Z, Kong Z, Wu J, Liu W. Tissue distribution and trophic magnification of trace elements in typical marine mammals in Bohai and north Yellow Seas. MARINE POLLUTION BULLETIN 2022; 184:114135. [PMID: 36152498 DOI: 10.1016/j.marpolbul.2022.114135] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 09/08/2022] [Accepted: 09/10/2022] [Indexed: 06/16/2023]
Abstract
A total of 20 stranded spotted seals (Phoca largha) and 9 stranded minke whales (Balaenoptera acutorostrata) were collected from Liaodong Bay and the northern part of the Yellow Sea to investigate the tissue distribution (liver, kidney, heart, lung, and muscle), risk, and trophic magnification of 13 trace elements (TEs, Hg, As, Cd, Co, Cr, Cu, Mn, Ni, Pb, Se, Sn, V, Zn). The 13 TEs were all detected in all spotted seal and minke whale tissue samples, with mean concentrations ranging from 0.041 to 136.3 mg kg-1 dry weight (dw) and 0.022 to 152.6 mg kg-1 dw, respectively. Zn was the dominant contaminant in all tissues for both spotted seals and minke whales. There was tissue-specific distribution of TEs in both marine mammals, and the TEs tended to accumulate in internal organs. Significant positive correlations were found in the body length of the spotted seals and minke whales among some of the TEs, especially for Cd in the internal organs. Gender-dependent distribution of the TEs was not obtained for the spotted seal. Ecological risk evaluation for spotted seals and minke whales suggested that greater concern should be given to Hg, As, and Se. Based on the TE concentrations detected in this study and trophic levels determined by stable carbon and nitrogen isotopes, trophic level-associated biodilution was obtained for As, Cd, Co, Cu, Mn, Pb, Se, Sn, and V in the spotted seal, while Zn displayed a significant biomagnification trend with increasing trophic levels. In the case of the minke whale, As, Cd, Co, Mn, Pb, Se, and V displayed significant biomagnification trends with increasing trophic levels.
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Affiliation(s)
- Jiashen Tian
- Dalian Key Laboratory of Conservation Biology for Endangered Marine Mammals, Liaoning Ocean and Fisheries Science Research Institute, Dalian, Liaoning 116023, China; Guangdong Provincial Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong, China
| | - Zhichuang Lu
- Dalian Key Laboratory of Conservation Biology for Endangered Marine Mammals, Liaoning Ocean and Fisheries Science Research Institute, Dalian, Liaoning 116023, China
| | - Edmond Sanganyado
- Department of Applied Sciences, Northumbria University, Newcastle Upon Tyne NE1 8ST, UK
| | - Zhiwei Gan
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Zhen Wang
- Dalian Key Laboratory of Conservation Biology for Endangered Marine Mammals, Liaoning Ocean and Fisheries Science Research Institute, Dalian, Liaoning 116023, China
| | - Zhongren Kong
- Dalian Key Laboratory of Conservation Biology for Endangered Marine Mammals, Liaoning Ocean and Fisheries Science Research Institute, Dalian, Liaoning 116023, China
| | - Jinhao Wu
- Dalian Key Laboratory of Conservation Biology for Endangered Marine Mammals, Liaoning Ocean and Fisheries Science Research Institute, Dalian, Liaoning 116023, China.
| | - Wenhua Liu
- Guangdong Provincial Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong, China.
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26
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Fernández-Robledo A, Lares ML, Schramm-Urrutia Y. Trace metal concentrations in California sea lions from rookeries exposed to different levels of coastal urbanization in Baja California, Mexico. MARINE POLLUTION BULLETIN 2022; 184:114163. [PMID: 36182783 DOI: 10.1016/j.marpolbul.2022.114163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 09/15/2022] [Accepted: 09/18/2022] [Indexed: 06/16/2023]
Abstract
Concentrations of total mercury, total selenium, and cadmium ([THg], [TSe], [Cd]) were determined in hair of California sea lion (Zalophus californianus) pups from four islands of the Gulf of California and the Baja California Pacific coast (NG, CG, NP, and CP) to identify geographical differences and the effect of Se against Hg toxicity (TSe:THg molar ratio). THg displayed a strong north-south trend for both ecoregions, while TSe presented a significantly high concentration only for CG. TSe:THg molar ratios decreased when [THg] increased, with the lowest ratios presenting in NG pups, in which [THg] exceeded toxicological thresholds of concern. [Cd] presented similar values at all study sites except CG, which presented the lowest level. The present study shows that proximity to urbanized coastal areas has a strong influence on [THg] in pups, while [TSe] and [Cd] are probably more related to the physiological requirements of the species, and environmental conditions.
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Affiliation(s)
- A Fernández-Robledo
- Departamento de Oceanografía Biológica, Centro de Investigación Científica y de Educación Superior de Ensenada, Km. 107 Carretera Tijuana-Ensenada, Ensenada 22860, Baja California, Mexico
| | - M L Lares
- Departamento de Oceanografía Biológica, Centro de Investigación Científica y de Educación Superior de Ensenada, Km. 107 Carretera Tijuana-Ensenada, Ensenada 22860, Baja California, Mexico.
| | - Y Schramm-Urrutia
- Universidad Autónoma de Baja California, Facultad de Ciencias Marinas, Carretera Transpeninsular Ensenada-Tijuana No. 3917, Fraccionamiento Playitas, 22860 Ensenada, Baja California, Mexico
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27
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Samaraweera M, Chandrajith R, Jayasena N. Birds of different feeding habits as biomonitors for trace elements in a wetland of the Central Asian Flyway, Sri Lanka. CHEMOSPHERE 2022; 306:135602. [PMID: 35809749 DOI: 10.1016/j.chemosphere.2022.135602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 06/30/2022] [Accepted: 07/01/2022] [Indexed: 06/15/2023]
Abstract
Monitoring the environmental exposure of wildlife to toxic trace elements is important for conservation. Sri Lanka does not have a biomonitoring programme for exposure of wildlife to pollutants. We measured levels of Hg, Pb, Cd, As, and Se in feathers of resident and migratory birds with different food habits in a wetland ecosystem of Sri Lanka, which is located at the southern-most point of the Central Asian Flyway. Diet and migratory status significantly affected concentrations of Hg, Pb, and As. Migrant invertivores showed the highest concentration of Hg and As. The highest concentration of Pb was in resident frugivores. Diet was the only significant explanatory variable for Cd, with frugivores recording the highest concentrations. Migratory status was the only factor significantly affecting feather Se, with migrant birds recording higher levels of Se; however, migratory status did not affect the Se: Hg ratio. The mean Se: Hg ratio was significantly affected by diet, but was >1 in birds of all food habits. Some birds in our study had concentrations of Hg, Pb, and Cd at higher levels than thresholds for adverse effects. High levels of these elements were recorded in both resident and migratory birds of differing food habits. Our study highlights the necessity of including biomonitors from diverse habitats and foraging guilds. This study establishes the baseline information for exposure of wildlife to several toxic trace elements necessary to establish a long-term biomonitoring programme important for the conservation of birds both in a national and global context.
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Affiliation(s)
- Mano Samaraweera
- Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya, Peradeniya, 20400, Sri Lanka
| | - Rohana Chandrajith
- Department of Geology, Faculty of Science, University of Peradeniya, Peradeniya, 20400, Sri Lanka
| | - Nilmini Jayasena
- Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya, Peradeniya, 20400, Sri Lanka.
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28
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Liu B, Lv L, An M, Wang T, Li M, Yu Y. Heavy metals in marine food web from Laizhou Bay, China: Levels, trophic magnification, and health risk assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 841:156818. [PMID: 35728646 DOI: 10.1016/j.scitotenv.2022.156818] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 06/14/2022] [Accepted: 06/15/2022] [Indexed: 06/15/2023]
Abstract
Heavy metals in ocean may accumulate in seafood through food web and pose risks to human health. This study investigated the occurrence, trophic magnification, and health risks of 7 heavy metals in 20 marine organisms (n = 222) in Laizhou Bay (LZB), China. Results showed that Zn was the most abundant metal, followed by Cu, As, Cd, Cr, Ni and Pb. The total concentrations of 7 heavy metals in the organisms ranked in the order of crab ˃ shellfish ˃ algae ˃ fish ˃ starfish. Interspecific differences were found in the concentrations of Cr, Ni, Cu and Cd in marine organisms from LZB. Crab and shellfish showed much higher enrichment ability of heavy metals than that of algae, starfish and fish. Cd is the most biological accumulated element with the mean biota-sediment accumulation factor (BSAF) of 12.9. Stable isotope analysis showed a significant difference of δ15N among these five species (p < 0.01), and a food web was constructed accordingly. A biodilution pattern was found for Pb, As and Ni and no trophic interference in metal uptake was observed for Zn, Cu, Ni and Cr in the food web of LZB. The estimated daily intake (EDI) and target hazard quotients (THQs) of As and Cd indicated an adverse health effect on consumption of the seafood. The mean lifetime cancer risks (LCRs) for Cd and As suggested a potential carcinogenic effect on consumption of these seafood. This study provides a basis for health risk assessment of heavy metals in marine foods.
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Affiliation(s)
- Baolin Liu
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Linyang Lv
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Miao An
- Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China; College of Environmental Science and Engineering, Liaoning Technical University, Fuxin 123000, China
| | - Tingting Wang
- Jilin Province Huijin Analysis Test CO., LTD, Changchun 130015, China
| | - Ming Li
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, School of Civil and Environmental Engineering, Jilin Jianzhu University, Changchun 130118, China
| | - Yong Yu
- Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China.
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Yang S, Sun K, Liu J, Wei N, Zhao X. Comparison of Pollution Levels, Biomagnification Capacity, and Risk Assessments of Heavy Metals in Nearshore and Offshore Regions of the South China Sea. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph191912248. [PMID: 36231549 PMCID: PMC9565928 DOI: 10.3390/ijerph191912248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/22/2022] [Accepted: 09/23/2022] [Indexed: 06/05/2023]
Abstract
Seawater and fish were collected from nearshore (Pearl River Estuarine, PRE) and offshore (middle of the South China Sea, MSCS) regions of the South China Sea (SCS) to determine the heavy metals (HMs) pollution status and biomagnification characteristics. Results show that Cu in PRE seawater was moderately contaminated. Overall pollution risk of seawater were PRE (3.32) > MSCS (0.56), whereas that of fish was MSCS (0.88) > PRE (0.42). δ13C and δ15N exhibited distinguished characteristics for PRE and MSCS fish, indicating the diverse energy sources, nitrogen sources, and food web structures of nearshore and offshore regions. Cu was biomagnified whereas Pb and Ni were biodiluted in offshore fish. Hg presented significant biomagnification in both of nearshore and offshore fish. Finally, the target hazard quotient of Hg (1.41) in MSCS fish exceeded the standard limit, which was posed by high Hg concentration and consumption rate of offshore fish.
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Affiliation(s)
- Shaochen Yang
- Hubei Key Laboratory of Critical Zone Evolution, School of Earth Sciences, China University of Geosciences, Wuhan 430074, China
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment of the People's Republic of China, Guangzhou 510655, China
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan 430074, China
- Key Laboratory of Functional Geomaterials in China Nonmetallic Minerals Industry, China University of Geosciences, Wuhan 430074, China
| | - Kaifeng Sun
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment of the People's Republic of China, Guangzhou 510655, China
| | - Jinling Liu
- Hubei Key Laboratory of Critical Zone Evolution, School of Earth Sciences, China University of Geosciences, Wuhan 430074, China
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan 430074, China
- Key Laboratory of Functional Geomaterials in China Nonmetallic Minerals Industry, China University of Geosciences, Wuhan 430074, China
| | - Nan Wei
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment of the People's Republic of China, Guangzhou 510655, China
| | - Xing Zhao
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment of the People's Republic of China, Guangzhou 510655, China
- College of Earth Sciences, Hebei GEO University, Shijiazhuang 050031, China
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30
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Cavalletti E, Romano G, Palma Esposito F, Barra L, Chiaiese P, Balzano S, Sardo A. Copper Effect on Microalgae: Toxicity and Bioremediation Strategies. TOXICS 2022; 10:527. [PMID: 36136491 PMCID: PMC9504759 DOI: 10.3390/toxics10090527] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/29/2022] [Accepted: 09/03/2022] [Indexed: 06/16/2023]
Abstract
Microalgae are increasingly recognised as suitable microorganisms for heavy metal (HM) removal, since they are able to adsorb them onto their cell wall and, in some cases, compartmentalise them inside organelles. However, at relatively high HM concentrations, they could also show signs of stress, such as organelle impairments and increased activities of antioxidant enzymes. The main aim of this review is to report on the mechanisms adopted by microalgae to counteract detrimental effects of high copper (Cu) concentrations, and on the microalgal potential for Cu bioremediation of aquatic environments. Studying the delicate balance between beneficial and detrimental effects of Cu on microalgae is of particular relevance as this metal is widely present in aquatic environments facing industrial discharges. This metal often induces chloroplast functioning impairment, generation of reactive oxygen species (ROS) and growth rate reduction in a dose-dependent manner. However, microalgae also possess proteins and small molecules with protective role against Cu and, in general, metal stress, which increase their resistance towards these pollutants. Our critical literature analysis reveals that microalgae can be suitable indicators of Cu pollution in aquatic environments, and could also be considered as components of eco-sustainable devices for HM bioremediation in association with other organisms.
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Affiliation(s)
- Elena Cavalletti
- Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Via Acton 55, 80133 Naples, Italy
| | - Giovanna Romano
- Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Via Acton 55, 80133 Naples, Italy
| | - Fortunato Palma Esposito
- Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Via Acton 55, 80133 Naples, Italy
| | - Lucia Barra
- Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Via Acton 55, 80133 Naples, Italy
| | - Pasquale Chiaiese
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, 80055 Portici, Italy
| | - Sergio Balzano
- Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Via Acton 55, 80133 Naples, Italy
- Department of Marine Microbiology and Biogeochemistry (MMB), Netherland Institute for Sea Research (NIOZ), Landsdiep 4, 1793 AB Texel, The Netherlands
| | - Angela Sardo
- Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Via Acton 55, 80133 Naples, Italy
- Istituto di Scienze Applicate e Sistemi Intelligenti “Eduardo Caianiello” (ISASI), CNR, Via Campi Flegrei, 34, 80078 Pozzuoli, Italy
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31
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Murillo-Cisneros DA, McHuron EA, Zenteno-Savín T, Castellini JM, Field CL, O'Hara TM. Fetal mercury concentrations in central California Pacific harbor seals: Associated drivers and outcomes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 820:153246. [PMID: 35065116 DOI: 10.1016/j.scitotenv.2022.153246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 01/12/2022] [Accepted: 01/14/2022] [Indexed: 06/14/2023]
Abstract
Mercury (Hg) is a well-known toxicant in wildlife and humans. High total Hg concentrations ([THg]) have been reported in central California harbor seals Phoca vitulina richardii. We evaluated the effects of presence/absence of early natal coat (lanugo), year (2012 to 2017), sex, stranding location, and trophic ecology (ẟ13C and ẟ15N values) on hair [THg] along coastal central California. Also examined were [THg] effects on growth rates of pups in rehabilitation and probability of release (e.g., successful rehabilitation). The [THg] ranged from 0.46-81.98 mg kg-1 dw, and ẟ15N and ẟ13C ranged from 13.6-21.5‰, and -17.2 to -13.0‰, respectively. Stranding location, year, and presence of lanugo coat were important factors explaining variation in [THg]. Seals from Sonoma and San Mateo County had higher [THg] than other locations. Seals with full or partial lanugo coat had lower [THg]. Seals from 2016 and 2017 had higher [THg] than those from 2015. Hair [THg] exceeded lower and upper toxicological thresholds (>20 mg kg-1 by year (5.88% to 23.53%); >30 mg kg-1 (0% to 12.31%)) with a pronounced increase from 2015 to 2016. Pups in 2017 had significantly higher odds ratio of [THg] above 20 mg kg-1 than pups of 2015, and pups in 2016 had significantly higher odds ratio than those from 2013 and 2015 (similar when using 30 mg kg-1). Pups in Sonoma County had the highest odds ratio for [THg] in lanugo above 20 mg kg-1. ẟ15N values were higher in 2015-2017, particularly relative to 2014, probably associated with the El Niño event. The [THg] was not a good predictor for probability of release and mass-specific growth rates in captivity. Further investigation of temporal trends of [THg] in harbor seals is warranted given the relatively high percentage of samples exceeding threshold values, particularly in the most recent sampling years.
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Affiliation(s)
- Daniela A Murillo-Cisneros
- Centro de Investigaciones Biológicas del Noroeste, S.C. Planeación Ambiental y Conservación, Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, Baja California Sur C.P. 23096, Mexico
| | - Elizabeth A McHuron
- Cooperative Institute for Climate, Ocean, and Ecosystem Studies, University of Washington, 3737 Brooklyn Avenue NE, Seattle, WA 98195-5672, USA
| | - Tania Zenteno-Savín
- Centro de Investigaciones Biológicas del Noroeste, S.C. Planeación Ambiental y Conservación, Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, Baja California Sur C.P. 23096, Mexico.
| | - J Margaret Castellini
- Department of Veterinary Medicine, University of Alaska Fairbanks, 2141 Koyokuk Dr, Fairbanks, AK 99775-7750, USA
| | - Cara L Field
- The Marine Mammal Center, 2000 Bunker Road, Fort Cronkhite, Sausalito, CA 94965, USA
| | - Todd M O'Hara
- Bilingual Laboratory of Toxicology, Veterinary Integrative Biosciences, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA
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32
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Correia E, Granadeiro JP, Vale C, Catry T. Linking trophic ecology with element concentrations in a coastal fish community of the Bijagós Archipelago, West Africa. MARINE POLLUTION BULLETIN 2022; 178:113555. [PMID: 35339058 DOI: 10.1016/j.marpolbul.2022.113555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/03/2022] [Accepted: 03/08/2022] [Indexed: 06/14/2023]
Abstract
We report the concentration of 13 elements in the muscle and liver of 17 coastal fish species of the Bijagós Archipelago, Guinea-Bissau, and link element concentrations to trophic ecology as assessed by carbon (δ13C) and nitrogen (δ15N) stable isotopes. We found higher concentrations of Hg, Fe, Mn, Cu, Zn, Se and As in liver as compared to muscle tissue, and the opposite pattern for Sr and Ca in all fish species. The concentration of Hg and Se in muscle samples increased significantly with δ15N, suggesting a biomagnification of these elements in this food chain. The concentrations of Ca and Sr, Fe and Cr, Ca and Mn, and Fe and Mn were positively correlated to each other in more than 50% of the studied species. Fish constitute the most important animal protein source for people in Guinea-Bissau, and thus assessing the concentrations of potentially toxic elements is relevant for human health.
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Affiliation(s)
- Edna Correia
- Centro de Estudos do Ambiente e do Mar, Departamento de Biologia Animal, Faculdade de Ciências da Universidade de Lisboa, 1749-016 Lisboa, Portugal.
| | - José Pedro Granadeiro
- Centro de Estudos do Ambiente e do Mar, Departamento de Biologia Animal, Faculdade de Ciências da Universidade de Lisboa, 1749-016 Lisboa, Portugal
| | - Carlos Vale
- IPMA - Divisão de Oceanografia e Ambiente Marinho, Instituto Português Do Mar da Atmosfera, I.P., Avenida Doutor Alfredo Magalhães Ramalho, 6, 1495-165 Algés, Portugal
| | - Teresa Catry
- Centro de Estudos do Ambiente e do Mar, Departamento de Biologia Animal, Faculdade de Ciências da Universidade de Lisboa, 1749-016 Lisboa, Portugal
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