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Bhuiyan MKA, Rodríguez BM, Billah MM, Pires A, Freitas R, Conradi M. Effects of ocean acidification on the biochemistry, physiology and parental transfer of Ampelisca brevicornis (Costa, 1853). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 293:118549. [PMID: 34813884 DOI: 10.1016/j.envpol.2021.118549] [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: 09/28/2021] [Revised: 11/09/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
Ocean acidification (OA) has received more attention in the marine research community in recent years than any other topic. Excess carbon dioxide makes the ocean more acidic, threatening marine ecosystems. There has been little research on the impact of OA on crustaceans, particularly on their physiological and potential ecosystem-level consequences. Thus, we investigated the impacts of OA on the physiological and biochemical characteristics of the estuarine amphipod Ampelisca brevicornis. Ovigerous amphipods were harvested from nature and maintained in the laboratory to produce juveniles, which were then further reared to obtain the mature adults (F0) and successive offspring (F1). For this study, four pH treatments (pH 8.1, 7.5, 7.0, and 6.5) mimicking future OA were evaluated to understand the physiological and biochemical effects on the organisms. The findings of this study suggest that A. brevicornis is more vulnerable to OA than was previously established in short-term trials. The survival was significantly reduced as pH decreased over time and a significant interaction between pH and time was observed. Survival was higher in F1 than in F0 juveniles and vice versa in terms of growth. Animal's physiological responses such as growth, burrowing behavior, locomotor activity, swimming speed, ventilation rate and reproductive performance were negatively influenced by acidification. These physiological characteristics can be linked to the oxidative stress induced by global change conditions because excess of free radicals degrade cell functioning, affecting species' biochemical and physiological performance. These alterations may have long-term negative impacts, with ecological consequences. The results of this study provide baseline information regarding the effect of OA on this keystone crustacean that may be useful in simulating the impacts of OA to develop different conceptual models for a better understanding of the consequences and implications of climate change in the future for managing marine ecosystems.
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Affiliation(s)
- Md Khurshid Alam Bhuiyan
- Department of Physical Chemistry, Faculty of Marine and Environmental Sciences, University of Cádiz, Polígono Río San Pedro s/n, 11510, Puerto Real, Cádiz, Spain.
| | - Belén Marín Rodríguez
- Department of Zoology, Faculty of Biology, University of Sevilla, Av. Reina Mercedes s/n, 41012 Sevilla, Spain
| | - Md Masum Billah
- Inter-Departmental Research Centre for Environmental Science-CIRSA, University of Bologna, Ravenna Campus, Italy
| | - Adilia Pires
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193, Aveiro, Portugal
| | - Rosa Freitas
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193, Aveiro, Portugal
| | - Mercedes Conradi
- Department of Zoology, Faculty of Biology, University of Sevilla, Av. Reina Mercedes s/n, 41012 Sevilla, Spain
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Bhuiyan KA, Rodríguez BM, Pires A, Riba I, Dellvals Á, Freitas R, Conradi M. Experimental evidence of uncertain future of the keystone ragworm Hediste diversicolor (O.F. Müller, 1776) under climate change conditions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 750:142031. [PMID: 33182219 DOI: 10.1016/j.scitotenv.2020.142031] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/25/2020] [Accepted: 08/26/2020] [Indexed: 06/11/2023]
Abstract
It is currently assumed that climate change related factors pose severe challenges to biodiversity maintenance. This paper assesses the multi-stressor effects of elevated temperature (15 °C as control, 25 °C as elevated) and CO2 levels (pH 8.1 as control, 7.5 and 7.0 representing acidifying conditions) on the physiological (survival and regenerative capacity), behavioral (feeding and burrowing activities), and biochemical changes (metabolic capacity, oxidative status and biotransformation mechanisms) experienced by the keystone polychaete Hediste diversicolor. Temperature rise enlarged the adverse effect of marine acidification on the survival of H. diversicolor, delayed the beginning of the excavation activity, enhancing the negative effects that pH decrease had in the burrowing behavior of this polychaete. Additionally, regardless of the temperature, exposure of H. diversicolor to acidification results in a reduction in the feeding rate. It is the first time that this decreased feeding capacity is found related to seawater acidification in this species. The healing of the wound and the blastemal formation were retarded due to these two climatic factors which hinder the regenerative process of polychaetes. These vital physiological functions of H. diversicolor can be related to the oxidative stress induced by climate change conditions since free radicals overproduced will impair cells functioning, affecting species biochemical and physiological performance, including feeding and tissue regeneration. The present results also demonstrated that although polychaetes' metabolic capacity was enhanced under stress conditions, organisms were still able to increase or maintain their energy reserves. Our findings are of major environmental relevance considering that predicted climate change conditions will affect species vital and ecological and physiological capacities. These can be translated into shrinking not only at the individual and population level but also in microbial and endofaunal diversities, in the detritus processing in estuaries and biogeochemical cycles at the ecosystem level. Thus the conservation of H. diversicolor populations is vital for the normal functioning of estuarine mudflat ecosystems.
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Affiliation(s)
- Khurshid Alam Bhuiyan
- Department of Physical Chemistry, Faculty of Marine and Environmental Sciences, University of Cádiz, Polígono Río San Pedro s/n, 11510 Puerto Real, Cádiz, Spain
| | - Belén Marín Rodríguez
- Department of Zoology, Faculty of Biology, University of Sevilla, Av. Reina Mercedes s/n, 41012 Sevilla, Spain
| | - Adilia Pires
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal
| | - Inmaculada Riba
- Department of Physical Chemistry, Faculty of Marine and Environmental Sciences, University of Cádiz, Polígono Río San Pedro s/n, 11510 Puerto Real, Cádiz, Spain
| | - Ángel Dellvals
- Department of Ecotoxicology, Santa Cecília University (UNISANTA), Santos, São Paulo 11000, Brazil
| | - Rosa Freitas
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Mercedes Conradi
- Department of Zoology, Faculty of Biology, University of Sevilla, Av. Reina Mercedes s/n, 41012 Sevilla, Spain.
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Basallote MD, Borrero-Santiago AR, Cánovas CR, Hammer KM, Olsen AJ, Ardelan MV. Trace metal mobility in sub-seabed sediments by CO 2 seepage under high-pressure conditions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 700:134761. [PMID: 31706093 DOI: 10.1016/j.scitotenv.2019.134761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 09/25/2019] [Accepted: 09/29/2019] [Indexed: 06/10/2023]
Abstract
Carbon capture and storage (CCS) is the third contributor to cumulative carbon emission reductions required by the second half of this century. Although this is a promising technology for reducing atmospheric CO2, it is only affordable if the confinement of the gas is guaranteed for hundreds of years. Hence, it is of paramount importance to figure out and predict the chemical and biological effects associated with potential CO2 leakage, to provide decision makers with a good basis for choosing technology and potential storage sites. To this end, a titanium reactor (1.4 m3) was used to study CO2 seepage under realistic sub-seabed conditions (30 bar pressure and 7 °C). The injection of CO2 was calibrated to decrease the pH value from 8.1 to 7.3, which may be the pH found near a leakage point. This pH value also coincides with predictions for near-future ocean pH under current CO2 emissions worldwide. The results from this study demonstrate that there are some elements, i.e., Fe, Co, Pb, Ce, Zn and Cu, present in deep marine sediments, that are strongly affected by the reduced pH levels related to CO2 addition. The dissolved concentrations of Fe, Pb and, to a lesser extent, Cr increased, due probably to weakening of the Fe/Mn shuttle by increased dissolved concentrations of CO2. Desorption processes from oxyhydroxide surfaces due to acidification may explain the release of Co, Ni and Ce observed during the experiment. The increased CO2 concentration also led to increased metal bioavailability, suggested by higher values for labile metal species. Conversely, Cd mobility seems not to be affected by CO2-associated acidification. It is concluded that the determination of those elements most affected by CO2-related acidification in a sub-seabed CO2 storage perimeter (i.e., sediment, sediment-water interface and water column) would be a simple and effective technique to verify suspected leakage.
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Affiliation(s)
- M Dolores Basallote
- Department of Chemistry, Norwegian University of Science and Technology, Høgskoleringen 5, 7491 Trondheim, Norway; Cátedra UNESCO/UNITWIN WiCop, Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, Puerto Real, Cádiz 11510, Spain.
| | - Ana R Borrero-Santiago
- Department of Chemistry, Norwegian University of Science and Technology, Høgskoleringen 5, 7491 Trondheim, Norway
| | - Carlos R Cánovas
- Department of Earth Sciences & Research Center on Natural Resources, Health and the Environment (RENSMA), Faculty of Experimental Sciences, University of Huelva, Campus 'El Carmen' s/n, 21071 Huelva, Spain
| | - Karen M Hammer
- SINTEF Materials and Chemistry, Marine Environmental Technology, 7465 Trondheim, Norway
| | - Anders J Olsen
- Norwegian University of Science and Technology, Department of Biology, 7491 Trondheim, Norway
| | - Murat V Ardelan
- Department of Chemistry, Norwegian University of Science and Technology, Høgskoleringen 5, 7491 Trondheim, Norway
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Mishra AK, Santos R, Hall-Spencer JM. Elevated trace elements in sediments and seagrasses at CO 2 seeps. MARINE ENVIRONMENTAL RESEARCH 2020; 153:104810. [PMID: 31733909 DOI: 10.1016/j.marenvres.2019.104810] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 09/29/2019] [Accepted: 10/04/2019] [Indexed: 06/10/2023]
Abstract
Seagrasses often occur around shallow marine CO2 seeps, allowing assessment of trace metal accumulation. Here, we measured Cd, Cu, Hg, Ni, Pb and Zn levels at six CO2 seeps and six reference sites in the Mediterranean. Some seep sediments had elevated metal concentrations; an extreme example was Cd which was 43x more concentrated at a seep site than its corresponding reference site. Three seeps had metal levels that were predicted to adversely affect marine biota, namely Vulcano (for Hg), Ischia (for Cu) and Paleochori (for Cd and Ni). There were higher-than-sediment levels of Zn and Ni in Posidonia oceanica and of Zn in Cymodocea nodosa, particularly in roots. High levels of Cu were found in Ischia seep sediments, yet seagrass was abundant there, and the plants contained low levels of Cu. Differences in bioavailability and toxicity of trace elements helps explain why seagrasses can be abundant at some CO2 seeps but not at others.
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Affiliation(s)
- A K Mishra
- Centre for Marine Sciences, University of Algarve, Campus de Gambelas, Faro, 8005-139, Portugal; School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL48A, UK.
| | - R Santos
- Centre for Marine Sciences, University of Algarve, Campus de Gambelas, Faro, 8005-139, Portugal
| | - J M Hall-Spencer
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL48A, UK; Shimoda Marine Research Centre, University of Tsukuba, Shizuoka, 415-0025, Japan
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Conradi M, Sánchez-Moyano JE, Bhuiyan MKA, Rodríguez-Romero A, Galotti A, Basallote MD, DelValls A, Parra G, Riba I. Intraspecific variation in the response of the estuarine European isopod Cyathura carinata (Krøyer, 1847) to ocean acidification. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 683:134-145. [PMID: 31129324 DOI: 10.1016/j.scitotenv.2019.05.227] [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: 10/29/2018] [Revised: 05/15/2019] [Accepted: 05/15/2019] [Indexed: 06/09/2023]
Abstract
In the present study the model isopod, Cyathura carinata were exposed to four pHNIST treatments (control: 7.9; 7.5, 7, 6.5) in order to determine the tolerance and pH threshold value this estuarine species withstand under future acidification scenarios. Seawater acidification significantly affected the lifespan of C. carinata, where population density was remarkably reduced at the lowest pH treatment. The longevity, survivorship and swimming activity (related to the acquisition of energy) of these isopods decreased with decreasing pH. Furthermore, to determine the possible metabolic plasticity of this species, the swimming activity, the Na+/K + -ATPase activity (relevant for osmoregulation process), and the RNA:DNA ratio (an indicator of fitness) were measure from two populations of C. carinata, one inhabiting a stable environment (pHNIST 7.5-8.0) and one inhabiting a fluctuating pCO2 regimes (pH 3.3-8.5) subjected to three pH treatments (7.9, 7.0 and 6.5). The population from high fluctuating pCO2 conditions showed capacity to withstand to pH 6.5, as well as higher longevity and metabolic plasticity, when compared with the population from the habitat with slight pCO2 variation. These results indicate that Cyathura population from stable environments could be vulnerable to ocean acidification because it could trigger detrimental effects on its survival energy budget, and growth. However, ocean acidification has limited effect on the energy budget and survival of C. carinata population from highly variable habitats, suggesting that they are able to cope with the elevated energy demand. The difference showed between populations is likely an indication of genetic differentiation in tolerance to ocean acidification, possibly attributable to local adaptations, which could provide the raw material necessary for adaptation to future conditions. In addition, our results suggest that when assessing marine crustacean responses to changing environments on a global scale, variability in population and metabolic responses need to be considered.
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Affiliation(s)
- M Conradi
- Departamento de Zoología, Facultad de Biología, Universidad de Sevilla, Av Reina Mercedes s/n, 41012 Sevilla. Spain.
| | - J E Sánchez-Moyano
- Departamento de Zoología, Facultad de Biología, Universidad de Sevilla, Av Reina Mercedes s/n, 41012 Sevilla. Spain
| | - M K A Bhuiyan
- UNESCO UNITWIN/UNICOP, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, PG Rio San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
| | - A Rodríguez-Romero
- Green Engineering Resources Group (GER), Departamento de Química e Ingeniería de Procesos y Recursos (ETSIIT), Universidad de Cantabria, Cantabria, Spain
| | - A Galotti
- Departamento de Biología Animal, Vegetal y Ecología, Centro de Estudios Avanzados en Ciencias de la Tierra, Universidad de Jaén, Jaén, Spain
| | - M D Basallote
- Department of Earth Sciences & Research Center on Natural Resources, Health and the Environment, Faculty of Experimental Sciences, Avda. Fuerzas Armadas s/n, 21071 Huelva, Spain
| | - A DelValls
- UNESCO UNITWIN/UNICOP, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, PG Rio San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
| | - G Parra
- Departamento de Biología Animal, Vegetal y Ecología, Centro de Estudios Avanzados en Ciencias de la Tierra, Universidad de Jaén, Jaén, Spain
| | - I Riba
- UNESCO UNITWIN/UNICOP, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, PG Rio San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
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6
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Conradi M, Sánchez-Moyano JE, Galotti A, Jiménez-Gómez F, Jiménez-Melero R, Guerrero F, Parra G, Bonnail E, DelValls TÁ. CO 2 leakage simulation: Effects of the decreasing pH to the survival and reproduction of two crustacean species. MARINE POLLUTION BULLETIN 2019; 143:33-41. [PMID: 31789163 DOI: 10.1016/j.marpolbul.2019.04.020] [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: 06/25/2018] [Revised: 04/04/2019] [Accepted: 04/06/2019] [Indexed: 06/10/2023]
Abstract
The effects of CO2-related acidification on two crustacean populations, the isopod Cyathura carinata and the amphipod Elasmopus rapax, were studied. Three pH levels were tested: artificial seawater without CO2 injection and two levels of reduced pH. Even though RNA:DNA ratio was reduced for both species, no statistical significant differences were found between the control and the treatments. Both species experienced a reduction in survivorship, longevity and the body length of surviving animals; although the impairment observed in E. rapax was more severe than in C. carinata. The long life span isopod and the short life span amphipod experienced a high degree of impairment in the reproduction, likely due to the reallocation of resources from reproduction to body maintenance and increasing survival by postponing the brood production. Regardless of the underlying processes and the energetic pathways, both experienced failure to reproduce, which could lead to the local extinction of these species.
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Affiliation(s)
- M Conradi
- Department of de Zoology, Faculty of Biology, University of Sevilla, Av. Reina Mercedes s/n, 41012 Sevilla, Spain
| | - J E Sánchez-Moyano
- Department of de Zoology, Faculty of Biology, University of Sevilla, Av. Reina Mercedes s/n, 41012 Sevilla, Spain
| | - A Galotti
- Department of Animal Biology, Plant Biology and Ecology, Centre of Advanced Studies in Earth Sciences, University of Jaén, Campus Las Lagunillas s/n, 23071 Jaén, Spain
| | - F Jiménez-Gómez
- Department of Animal Biology, Plant Biology and Ecology, Centre of Advanced Studies in Earth Sciences, University of Jaén, Campus Las Lagunillas s/n, 23071 Jaén, Spain
| | - R Jiménez-Melero
- Department of Animal Biology, Plant Biology and Ecology, Centre of Advanced Studies in Earth Sciences, University of Jaén, Campus Las Lagunillas s/n, 23071 Jaén, Spain
| | - F Guerrero
- Department of Animal Biology, Plant Biology and Ecology, Centre of Advanced Studies in Earth Sciences, University of Jaén, Campus Las Lagunillas s/n, 23071 Jaén, Spain
| | - G Parra
- Department of Animal Biology, Plant Biology and Ecology, Centre of Advanced Studies in Earth Sciences, University of Jaén, Campus Las Lagunillas s/n, 23071 Jaén, Spain
| | - E Bonnail
- Centro de Investigaciones Costeras Universidad de Atacama (CIC-UDA), Universidad de Atacama, Copiapó, Atacama, Chile.
| | - T Á DelValls
- Department of Ecotoxicology, Santa Cecília University (UNISANTA), Santos, São Paulo, Brazil
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7
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Yu T, Chen Y. Effects of elevated carbon dioxide on environmental microbes and its mechanisms: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 655:865-879. [PMID: 30481713 DOI: 10.1016/j.scitotenv.2018.11.301] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 11/20/2018] [Accepted: 11/20/2018] [Indexed: 05/24/2023]
Abstract
Before the industrial revolution, the atmospheric CO2 concentration was 180-330 ppm; however, fossil-fuel combustion and forest destruction have led to increased atmospheric CO2 concentration. CO2 capture and storage is regarded as a promising strategy to prevent global warming and ocean acidification and to alleviate elevated atmospheric CO2 concentration, but the leakage of CO2 from storage system can lead to rapid acidification of the surrounding circumstance, which might cause negative influence on environmental microbes. The effects of elevated CO2 on microbes have been reported extensively, but the review regarding CO2 affecting different environmental microorganisms has never been done previously. Also, the mechanisms of CO2 affecting environmental microorganisms are usually contributed to the change of pH values, while the direct influences of CO2 on microorganisms were often neglected. This paper aimed to provide a systematic review of elevated CO2 affecting environmental microbes and its mechanisms. Firstly, the influences of elevated CO2 and potential leakage of CO2 from storage sites on community structures and diversity of different surrounding environmental microbes were assessed and compared. Secondly, the adverse impacts of CO2 on microbial growth, cell morphology and membranes, bacterial spores, and microbial metabolism were introduced. Then, based on biochemical principles and knowledge of microbiology and molecular biology, the fundamental mechanisms of the influences of carbon dioxide on environmental microbes were discussed from the aspects of enzyme activity, electron generation and transfer, and key gene and protein expressions. Finally, key questions relevant to the environmental effect of CO2 that need to be answered in the future were addressed.
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Affiliation(s)
- Tong Yu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Yinguang Chen
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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8
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Bautista-Chamizo E, Sendra M, De Orte MR, Riba I. Comparative effects of seawater acidification on microalgae: Single and multispecies toxicity tests. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 649:224-232. [PMID: 30173031 DOI: 10.1016/j.scitotenv.2018.08.225] [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: 06/29/2018] [Revised: 08/16/2018] [Accepted: 08/17/2018] [Indexed: 06/08/2023]
Abstract
In order to gain knowledge about the potential effects of acidification in aquatic ecosystems, global change research based on microalgae as sentinel species has been often developed. However, these studies are limited to single species tests and there is still a research gap about the behaviour of microalgal communities under this environmental stressor. Thus, the aim of this study was to assess the negative effects of CO2 under an ecologically realistic scenario. To achieve this objective, two types of toxicity tests were developed; i) single toxicity tests and ii) multispecies toxicity tests, in order to evaluate the effects on each species as well as the interspecific competition. For this purpose, three microalgae species (Tetraselmis chuii, Phaeodactylum tricornutum and Nannochloropsis gaditana) were exposed to two selected pH levels (7.4, 6.0) and a control (pH 8.0). The pH values were choosen for testing different scenarios of CO2 enrichment including the exchange atmosphere-ocean (pH 7.4) and natural or anthropogenic sources of CO2 (pH 6.0). The effects on growth, cell viability, oxidative stress, plus inherent cell properties (size, complexity and autofluorescence) were studied using flow cytometry (FCM). Results showed that T. chuii was the most resistant species to CO2 enrichment with less abrupt changes in terms of cell density, inherent cell properties, oxidative stress and cell viability. Although P. tricornutum was the dominant species in both single and multispecies tests, this species showed the highest decrease in cell density under pH 6.0. Effects of competence were recorded in the multispecies control (pH 8) but this competence was eclipsed by the effects of low pH. The knowledge of biological interactions made by different microalgae species is a useful tool to extrapolate research data from laboratory to the field.
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Affiliation(s)
- E Bautista-Chamizo
- Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Spain.
| | - M Sendra
- Departamento de Ecología y Gestión Costera, Instituto de Ciencias Marinas de Andalucía (CSIC), Spain
| | - M R De Orte
- Departamento de Ciencias do Mar, Instituto do Mar, Universidade Federal de São Paulo, Brazil; Department of Global Ecology, Carnegie Institution, Stanford, USA
| | - I Riba
- Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Spain
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9
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Wan R, Wang L, Chen Y, Zheng X, Su Y, Tao X. Insight into a direct carbon dioxide effect on denitrification and denitrifying bacterial communities in estuarine sediment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 643:1074-1083. [PMID: 30189524 DOI: 10.1016/j.scitotenv.2018.06.279] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 06/22/2018] [Accepted: 06/22/2018] [Indexed: 06/08/2023]
Abstract
With the elevation of atmospheric CO2 content, the potential effects of CO2 on organisms and various environmental processes have gained increasing concern. Most previous studies on denitrification have been conducted on ecosystems comprising plants, soils and microbes, but they have ignored the direct effect of CO2 on denitrification and denitrifying bacterial communities. Here, by excluding the effects of plants, we found that both short- and long-term exposure to CO2 directly inhibited the denitrification process, and caused the total nitrogen removal efficiency to decrease by up to 37%. Compared with the control, long-term exposure to CO2 (30,000 ppm) also caused >276-fold increase in N2O emissions, and significantly inhibited the decomposition process. Enzymatic and qPCR assays showed that CO2 decreased the denitrifying enzymes activity (DEA) and the copy numbers of denitrifying genes, which directly resulted in the inhibitory effect of CO2 on denitrification process. Further study indicated that adverse effect of CO2 on DEA and denitrifying genes were caused by reducing the relative abundance of denitrifying bacteria. Moreover, the relative abundance of fermenting bacteria also decreased as CO2 concentration increased, which might result in insufficient liable carbon for the activity of denitrifying bacteria, and ultimately exacerbate the negative denitrification performance. Overall, this study suggests that, in the absence of plants, CO2 could directly affect the denitrifying and fermenting bacterial community, and inhibit denitrification and decomposition processes, which is detrimental to sediment nitrogen and carbon cycles.
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Affiliation(s)
- Rui Wan
- Anhui provincial engineering laboratory of water and soil pollution control and remediation, College of Environmental Science and Engineering, Anhui Normal University, 189 South of Jiuhua Road, Wuhu, Anhui 241002, China; State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Lei Wang
- Anhui provincial engineering laboratory of water and soil pollution control and remediation, College of Environmental Science and Engineering, Anhui Normal University, 189 South of Jiuhua Road, Wuhu, Anhui 241002, China
| | - Yinguang Chen
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China.
| | - Xiong Zheng
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Yinglong Su
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Xiucheng Tao
- Anhui provincial engineering laboratory of water and soil pollution control and remediation, College of Environmental Science and Engineering, Anhui Normal University, 189 South of Jiuhua Road, Wuhu, Anhui 241002, China
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Dorey N, Martin S, Oberhänsli F, Teyssié JL, Jeffree R, Lacoue-Labarthe T. Ocean acidification modulates the incorporation of radio-labeled heavy metals in the larvae of the Mediterranean sea urchin Paracentrotus lividus. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2018; 190-191:20-30. [PMID: 29738950 DOI: 10.1016/j.jenvrad.2018.04.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 04/18/2018] [Accepted: 04/18/2018] [Indexed: 06/08/2023]
Abstract
The marine organisms which inhabit the coastline are exposed to a number of anthropogenic pressures that may interact. For instance, the accumulation of toxic metals present in coastal waters is expected to be modified by ocean acidification through e.g. changes in physiological performance and/or elements availability. Changes in bioaccumulation due to lowering pH are likely to be differently affected depending on the nature (essential vs. non-essential) and speciation of each element. The Mediterranean is of high concern for possible cumulative effects due to strong human influences on the coastline. The aim of this study was to determine the effect of ocean acidification (from pH 8.1 down to -1.0 pH units) on the incorporation kinetics of six trace metals (Mn, Co, Zn, Se, Ag, Cd, Cs) and one radionuclide (241Am) in the larvae of an economically- and ecologically-relevant sea urchin of the Mediterranean coastline: Paracentrotus lividus. The radiolabelled metals and radionuclides added in trace concentrations allowed precise tracing of their incorporation in larvae during the first 74 h of their development. Independently of the expected indirect effect of pH on larval size/developmental rates, Paracentrotus lividus larvae exposed to decreasing pHs incorporated significantly more Mn and Ag and slightly less Cd. The incorporation of Co, Cs and 241Am was unchanged, and Zn and Se exhibited complex incorporation behaviors. Studies such as this are necessary prerequisites to the implementation of metal toxicity mitigation policies for the future ocean. We discuss possible reasons and mechanisms for the specific effect of pH on each metals.
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Affiliation(s)
- Narimane Dorey
- International Atomic Energy Agency - Environment Laboratories, 4 Quai Antoine Ier, Monaco; Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-Université de La Rochelle, Institut du Littoral et Environnement, 2 rue Olympe de Gouges, 17000 La Rochelle, France.
| | - Sophie Martin
- International Atomic Energy Agency - Environment Laboratories, 4 Quai Antoine Ier, Monaco; Laboratoire Adaptation et Diversité en Milieu Marin, Sorbonne Universités, UPMC Univ Paris 06, Station Biologique, Place Georges Teissier, 29688 Roscoff Cedex, France; CNRS, UMR7144, Station Biologique, Place Georges Teissier, 29688 Roscoff Cedex, France
| | - François Oberhänsli
- International Atomic Energy Agency - Environment Laboratories, 4 Quai Antoine Ier, Monaco
| | - Jean-Louis Teyssié
- International Atomic Energy Agency - Environment Laboratories, 4 Quai Antoine Ier, Monaco
| | - Ross Jeffree
- International Atomic Energy Agency - Environment Laboratories, 4 Quai Antoine Ier, Monaco; Life Sciences, C3, Faculty of Science, University of Technology, Sydney, P.O. Box 123, Broadway, NSW 2007, Australia
| | - Thomas Lacoue-Labarthe
- International Atomic Energy Agency - Environment Laboratories, 4 Quai Antoine Ier, Monaco; Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-Université de La Rochelle, Institut du Littoral et Environnement, 2 rue Olympe de Gouges, 17000 La Rochelle, France
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11
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Bautista-Chamizo E, Sendra M, Cid Á, Seoane M, Romano de Orte M, Riba I. Will temperature and salinity changes exacerbate the effects of seawater acidification on the marine microalga Phaeodactylum tricornutum? THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 634:87-94. [PMID: 29626774 DOI: 10.1016/j.scitotenv.2018.03.314] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 03/25/2018] [Accepted: 03/25/2018] [Indexed: 06/08/2023]
Abstract
To evaluate the effects related to the combination of potential future changes in pH, temperature and salinity on microalgae, a laboratory experiment was performed using the marine diatom Phaeodactylum tricornutum. Populations of this species were exposed during 48h to a three-factor experimental design (3×2×2) with two artificial pH values (6, 7.4), two levels of temperature (23°C, 28°C), two levels of salinity (34psu, 40psu) and a control (pH8, Temp 23°C, Sal 34psu). The effects on growth, cell viability, metabolic activity, and inherent cell properties (size, complexity and autofluorescence) of P. tricornutum were studied using flow cytometry. The results showed adverse effects on cultures exposed to pH6 and high temperature and salinity, being the inherent cell properties the most sensitive response. Also, linked effects of these parameters resulted on cell viability and cell size decrease and an increase of cell autofluorescence. The conclusions obtained from this work are useful to address the potential effects of climate change (in terms of changes on pH, salinity and temperature) in microalgae.
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Affiliation(s)
- Esther Bautista-Chamizo
- Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Spain.
| | - Marta Sendra
- Departamento de Ecología y Gestión Costera, Instituto de Ciencias Marinas de Andalucía (CSIC), Spain
| | - Ángeles Cid
- Departamento de Biología, Facultad de Ciencias, Universidade da Coruña, Spain
| | - Marta Seoane
- Departamento de Biología, Facultad de Ciencias, Universidade da Coruña, Spain
| | - Manoela Romano de Orte
- Departamento de Ciências do Mar, Campus Baixada Santista, Universidade Federal de São Paulo, Brazil; Department of Global Ecology, Carnegie Institution for Science, Stanford, USA
| | - Inmaculada Riba
- Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Spain
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12
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Passarelli MC, Riba I, Cesar A, Newton A, DelValls TA. Using a mesocosm approach to evaluate marine benthic assemblage alteration associated with CO 2 enrichment in coastal environments. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 157:29-39. [PMID: 29605642 DOI: 10.1016/j.ecoenv.2018.03.049] [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: 10/26/2017] [Revised: 03/09/2018] [Accepted: 03/23/2018] [Indexed: 06/08/2023]
Abstract
The effects of acidification related to the CO2 enrichment in the coastal environments on marine macrobenthic abundance, diversity and richness were analyzed in a medium- term (21 days) using mesocosm experiments. Two sampling sites located in the Bay of Cadiz - SW, Spain were selected and tested at pH values ranged from 7.9 to 6.0 (± 0.1). Moreover, variations in the concentrations of metals in the sediment samples were analyzed at the end of each experiment. The results showed low variation in the concentrations of metals in the sediment among the pH treatments. A significant decrease (p < 0.05) in the abundance, diversity and richness of assemblages were measured between the control and the lowest pH level in both sampling sites tested in this study (Rio San Pedro and El Trocadero). The majority of species were found in all samples except in pH 6.0 which only two species were found (Hydrobia ulvae and Scrobicularia plana,) in Rio San Pedro sediment fauna. In general, the results of cluster analysis showed 60% and 40% similarity in all replicated tests in El Trocadero and Rio San Pedro of sediment fauna, respectively. The results of the Principal Component Analysis (PCA) showed that both sediment parameters and pH reduction can interfere in the benthic assemblage indices. Although the assemblages' indices have shown decreases only in the lower pHs, the organisms also could be impacted by chronic effects. Therefore, the extension of this study is important in order to improve the knowledge about the risks associated with CO2 enrichment in on marine organisms.
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Affiliation(s)
- M C Passarelli
- Department of Physico-Chemistry, Aquatic Systems Research Group, UNESCO/UNITWIN WiCop, Faculty of Marine and Environmental Sciences, Cádiz, Spain.
| | - I Riba
- Department of Physico-Chemistry, Aquatic Systems Research Group, UNESCO/UNITWIN WiCop, Faculty of Marine and Environmental Sciences, Cádiz, Spain
| | - A Cesar
- Department of Ocean Sciences, Federal University of São Paulo (UNIFESP), Santos, São Paulo, Brazil; Department of Ecotoxicology, Santa Cecília University (UNISANTA), Santos, São Paulo, Brazil
| | - A Newton
- Department of Earth, Environmental and Marine Sciences, Centre for Marine and Environmental Research (CIMA), University of Algarve (UAlg), Faro, Portugal; Department of Environmental Impacts and Economics (IMPEC), Norwegian Institute of Air Research (NILU), Norway
| | - T A DelValls
- Department of Physico-Chemistry, Aquatic Systems Research Group, UNESCO/UNITWIN WiCop, Faculty of Marine and Environmental Sciences, Cádiz, Spain; Department of Ecotoxicology, Santa Cecília University (UNISANTA), Santos, São Paulo, Brazil
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13
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Passarelli MC, Ray S, Cesar A, DelValls TA, Riba I. Effects of CO 2 enrichment on metal bioavailability and bioaccumulation using Mytilus galloprovincialis. MARINE POLLUTION BULLETIN 2018; 133:124-136. [PMID: 30041299 DOI: 10.1016/j.marpolbul.2018.05.021] [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: 02/15/2018] [Revised: 05/09/2018] [Accepted: 05/11/2018] [Indexed: 06/08/2023]
Abstract
The main aim of this study was to evaluate the bioavailability of metals related to CO2 enrichment on the mussels Mytilus galloprovincialis by metal's bioaccumulation analysis. Two sediment samples were selected and subjected to different pH levels. Concentrations of metals were measured in the overlying seawater and in the whole body of mussels exposed on the 7th, 14th and 21st days. Results showed that the CO2 enrichment in aquatic ecosystems cause significant (p < 0.05) changes on the concentrations of Cu, Zn, Ni, Mn and As between the control pH and pH 7.0 after 7 days of exposure; and in the concentration of Fe at pH 6.0 using the RSP sediment. The multivariate analysis results showed that the increase in the bioaccumulation of some metals in mussels was linked to the acidification. It was concluded that many factors may interfere in the results when the acidification and bioavailability of metals are inquired.
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Affiliation(s)
- M C Passarelli
- Department of Physico Chemistry, Aquatic Systems Research Group, UNESCO/UNITWIN WiCop, Faculty of Environmental and Marine Sciences, Cádiz, Spain.
| | - S Ray
- Department of Physico Chemistry, Aquatic Systems Research Group, UNESCO/UNITWIN WiCop, Faculty of Environmental and Marine Sciences, Cádiz, Spain; Center of Integrated Studies on the Sundarbans (CISS), University of Khulna, Bangladesh
| | - A Cesar
- Department of Ocean Sciences, Federal University of São Paulo (UNIFESP), Santos, São Paulo, Brazil; Department of Ecotoxicology, Santa Cecília University (UNISANTA), Santos, São Paulo, Brazil
| | - T A DelValls
- Department of Physico Chemistry, Aquatic Systems Research Group, UNESCO/UNITWIN WiCop, Faculty of Environmental and Marine Sciences, Cádiz, Spain; Department of Ecotoxicology, Santa Cecília University (UNISANTA), Santos, São Paulo, Brazil
| | - I Riba
- Department of Physico Chemistry, Aquatic Systems Research Group, UNESCO/UNITWIN WiCop, Faculty of Environmental and Marine Sciences, Cádiz, Spain
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14
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Passarelli MC, Riba I, Cesar A, DelValls TA. What is the best endpoint for assessing environmental risk associated with acidification caused by CO 2 enrichment using mussels? MARINE POLLUTION BULLETIN 2018; 128:379-389. [PMID: 29571386 DOI: 10.1016/j.marpolbul.2018.01.055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 12/12/2017] [Accepted: 01/25/2018] [Indexed: 06/08/2023]
Abstract
Carbon capture and storage is a technology that has been widely determined to be one of the best choices for the short-term reduction of atmospheric CO2 emissions. The aim of this study was to analyze the effects of CO2 enrichment in the ocean on the mussel species Mytilus galloprovincialis using three different endpoints: mortality, embryo-larval development, and neutral red retention time assays (NRRT). Acute effects were found to be associated with a pH values of 6.0 while citotoxity effects and embryo-larval development were associated with a pH value of 7.0. The NRRT assay and embryo-larval development can be recommended as good endpoints for assessing the environmental risk associated with acidification by CO2 enrichment because they provide sensitive responses on the effects of changes in seawater pH on mussels in a short period of time. Moreover, this study may support policymakers in finding appropriate solutions for the conservation of marine ecosystems.
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Affiliation(s)
- M C Passarelli
- Department of Chemistry, Aquatic Systems Research Group, UNESCO/UNITWIN WiCop, International Campus of Excellence of the Sea (CEIMAR), Cádiz, Spain.
| | - I Riba
- Department of Chemistry, Aquatic Systems Research Group, UNESCO/UNITWIN WiCop, International Campus of Excellence of the Sea (CEIMAR), Cádiz, Spain
| | - A Cesar
- Department of Ocean Sciences, Federal University of São Paulo (UNIFESP), Santos, São Paulo, Brazil; Department of Ecotoxicology, Santa Cecília University (UNISANTA), Santos, São Paulo, Brazil
| | - T A DelValls
- Department of Chemistry, Aquatic Systems Research Group, UNESCO/UNITWIN WiCop, International Campus of Excellence of the Sea (CEIMAR), Cádiz, Spain; Department of Ecotoxicology, Santa Cecília University (UNISANTA), Santos, São Paulo, Brazil
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15
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Passarelli MC, Riba I, Cesar A, Serrano-Bernando F, DelValls TA. Assessing the influence of ocean acidification to marine amphipods: A comparative study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 595:759-768. [PMID: 28407593 DOI: 10.1016/j.scitotenv.2017.04.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 03/30/2017] [Accepted: 04/01/2017] [Indexed: 06/07/2023]
Abstract
CO2 increases in the ocean may occur both by the capacity of CO2 exchanges with its dissolved form between atmosphere and surface seawater as well by CO2 leaks during the carbon capture and storage (CCS) process. The decrease in seawater pH may result in a reduction in the concentration of both hydroxide and carbonate (OH- and CO32-). The main aim of this work is to conduct an ecotoxicology comparative survey using two amphipod species from Europe and Brazil exposed to different acidification (CO2) scenarios. For it, an integrative approach based on the weight of evidence was used for comparative proposes to identify the effects on the amphipods association with the acidification and with the related mobility of metals. The results demonstrate that the Ampelisca brevicornis species is more sensitive to pH reductions than the Hyale youngi species. Furthermore, this study has demonstrated that the CO2 enrichment in aquatic ecosystems would cause changes on the mobility of certain metals (Zn, Cu and As). The results of Principal Component Analysis (PCA) showed that the dissolved Zn in overlying water was strongly correlated with the decrease in the pH and was associated with increased toxicity of the sediment to the exposed organisms, mainly for the A. brevicornis species from Spain. Nevertheless, similar results were found in relation to the mortality of amphipods in low pH values for all sediment tested. Concluding, it is highlighted the importance of comparative studies in different types of environment and improve the understood of the risks associated with the ocean acidification.
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Affiliation(s)
- M C Passarelli
- Department of Chemistry, Aquatic Systems Research Group. UNESCO/UNITWIN WiCop. International Campus of Excellence of the Sea (CEIMAR), Cádiz, Spain.
| | - I Riba
- Department of Chemistry, Aquatic Systems Research Group. UNESCO/UNITWIN WiCop. International Campus of Excellence of the Sea (CEIMAR), Cádiz, Spain
| | - A Cesar
- Department of Ocean Sciences, Federal University of São Paulo (UNIFESP), Santos, São Paulo, Brazil; Department of Ecotoxicology, Santa Cecília University (UNISANTA), Santos, São Paulo, Brazil
| | - F Serrano-Bernando
- Department of Civil Engineering, Advanced Technical School for Civil Engineering, University of Granada (UGR), Granada, Spain
| | - T A DelValls
- Department of Chemistry, Aquatic Systems Research Group. UNESCO/UNITWIN WiCop. International Campus of Excellence of the Sea (CEIMAR), Cádiz, Spain
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16
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Passarelli MC, Cesar A, Riba I, DelValls TA. Comparative evaluation of sea-urchin larval stage sensitivity to ocean acidification. CHEMOSPHERE 2017; 184:224-234. [PMID: 28599151 DOI: 10.1016/j.chemosphere.2017.06.001] [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: 03/14/2017] [Revised: 05/16/2017] [Accepted: 06/01/2017] [Indexed: 06/07/2023]
Abstract
Changes in the marine carbonate system may affect various calcifying organisms. This study is aimed to compare the sensitivity of embryo-larval development of two species of sea urchins (Paracentrutos lividus and Lytechinus variegatus) collected and exposed to samples from different coastal zone (Spain and Brazil) to ocean acidification. The results showed that the larval stages are very sensitive to small changes in the seawater's pH. The larvae from P. lividus species showed to be more sensitive to acidified elutriate sediments than larvae from L. variegatus sea urchin. Furthermore, this study has demonstrated that the CO2 enrichment in aquatic ecosystems cause changes on the mobility of the metals: Zn, Cu, Fe, Al and As, which was presented different behavior among them. Although an increase on the mobility of metals was found, the results using the principal component analysis showed that the pH reduction show the highest correlations with the toxicity and is the main cause of embryo-larval development inhibition. In this comparative study it is demonstrated that both species are able to assess potential effects of the ocean acidification related to CO2 enrichment by both near future scenarios and the risk associated with CO2 leakages in the Carbon Capture and Storage (CCS) process, and the importance of comparative studies in different zones to improve the understanding of the impacts caused by ocean acidification.
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Affiliation(s)
- M C Passarelli
- UNESCO/UNITWIN WiCop, Physico Chemical Department, Faculty of Marine and Environmental Studies, CEIMAR, University of Cádiz, Spain.
| | - A Cesar
- Department of Ocean Sciences, Federal University of São Paulo (UNIFESP), Santos, São Paulo, Brazil; Department of Ecotoxicology, Santa Cecília University (UNISANTA), Santos, São Paulo, Brazil
| | - I Riba
- UNESCO/UNITWIN WiCop, Physico Chemical Department, Faculty of Marine and Environmental Studies, CEIMAR, University of Cádiz, Spain
| | - T A DelValls
- UNESCO/UNITWIN WiCop, Physico Chemical Department, Faculty of Marine and Environmental Studies, CEIMAR, University of Cádiz, Spain
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17
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Borrero-Santiago AR, DelValls TÁ, Inmaculada Riba M. Bacterial community responses during a possible CO 2 leaking from sub-seabed storage in marine polluted sediments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 593-594:116-123. [PMID: 28342412 DOI: 10.1016/j.scitotenv.2017.03.153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 03/16/2017] [Accepted: 03/16/2017] [Indexed: 06/06/2023]
Abstract
Carbon capture and storage (CCS) is a viable option to reduce high concentrations of CO2 and mitigate their negative effects. This option has associated risks such as possible CO2 leakage from the storage sites. So far, negative effects deriving from a CO2 release have been reported for benthic macrofauna in both polluted and nonpolluted sediments. However, bacterial communities has no considered. In this work, risk assessment was carried out in order to evaluate the possible effects in a contaminated area considering bacterial responses (total number of cells, respiring activity, changes in the bacterial community composition and diversity). Four microcosms were placed into an integrated CO2 injection system with a non-pressurized chamber to simulate four different pH treatments (pH control 7.8, 7, 6.5 and 6). Results showed an impact on bacterial communities because of the CO2 treatment. Changes in respiring activity, community composition groups and diversity were found. This study highlights the use of respiring bacteria activity not only as bioindicator for environmental risk assessment and monitoring purposes but also as a bioindicador during a CO2 leakage event or CO2 enrichment process among all the responses studied.
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Affiliation(s)
- Ana R Borrero-Santiago
- UNESCO/UNITWIN Wicop, Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain.
| | - T Ángel DelValls
- UNESCO/UNITWIN Wicop, Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
| | - M Inmaculada Riba
- UNESCO/UNITWIN Wicop, Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
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18
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Goulding TA, De Orte MR, Szalaj D, Basallote MD, DelValls TA, Cesar A. Assessment of the environmental impacts of ocean acidification (OA) and carbon capture and storage (CCS) leaks using the amphipod Hyale youngi. ECOTOXICOLOGY (LONDON, ENGLAND) 2017; 26:521-533. [PMID: 28315979 DOI: 10.1007/s10646-017-1783-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/15/2017] [Indexed: 06/06/2023]
Abstract
This study aims to ascertain the effects of CO2 induced water acidification and leaks from Carbon Capture and Storage activities on the South American amphipod Hyale youngi. A 10-day acute toxicity test was performed using sediments from two sites located inside the Santos Estuarine System. They were subjected to five pH treatments (8.1, 7.6, 7.0, 6.5, and 6.0). Metals (Cd, Cu, Cr, Pb, Ni and Zn) and the metalloid As were analyzed to determine the influence of their acidification-related mobility on the amphipods mortality. The results showed that mortality becomes significant when compared to control in pH 6.5 in the Canal de Piaçaguera sediment (contaminated) and at pH 6.0 in Ilha das Palmas sediment (reference).
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Affiliation(s)
- T A Goulding
- Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, UNESCO/UNITWIN Wicop, Polígono Río San Pedro s/n, Puerto Real, 11510, Cádiz, Spain.
| | - M R De Orte
- Departamento de Ciencias do Mar, Instituto do Mar, Campus Baixada Santista, Universidade Federal de São Paulo, Av. Alm. Saldanha da Gama, 89-Ponta da Praia/SP CEP:11030-400, Santos, SP, Brazil
| | - D Szalaj
- Faculdade de Ciências, Instituto Dom Luiz, Universidade de Lisboa, Campo Grande, 1749-016, Lisboa, Portugal
| | - M D Basallote
- Departamento de Ciencias do Mar, Instituto do Mar, Campus Baixada Santista, Universidade Federal de São Paulo, Av. Alm. Saldanha da Gama, 89-Ponta da Praia/SP CEP:11030-400, Santos, SP, Brazil
| | - T A DelValls
- Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, UNESCO/UNITWIN Wicop, Polígono Río San Pedro s/n, Puerto Real, 11510, Cádiz, Spain
| | - A Cesar
- Departamento de Ciencias do Mar, Instituto do Mar, Campus Baixada Santista, Universidade Federal de São Paulo, Av. Alm. Saldanha da Gama, 89-Ponta da Praia/SP CEP:11030-400, Santos, SP, Brazil
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19
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Szalaj D, De Orte MR, Goulding TA, Medeiros ID, DelValls TA, Cesar A. The effects of ocean acidification and a carbon dioxide capture and storage leak on the early life stages of the marine mussel Perna perna (Linneaus, 1758) and metal bioavailability. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:765-781. [PMID: 27752956 DOI: 10.1007/s11356-016-7863-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 10/06/2016] [Indexed: 06/06/2023]
Abstract
The study assesses the effects of carbon dioxide capture and storage (CCS) leaks and ocean acidification (OA) on the metal bioavailability and reproduction of the mytilid Perna perna. In laboratory-scale experiments, CCS leakage scenarios (pH 7.0, 6.5, 6.0) and one OA (pH 7.6) scenario were tested using metal-contaminated sediment elutriates and seawater from Santos Bay. The OA treatment did not have an effect on fertilisation, while significant effects were observed in larval-development bioassays where only 16 to 27 % of larva developed normally. In treatments that simulated CO2 leaks, when compared with control, fertilisation success gradually decreased and no larva developed to the D-shaped stage. A fall in pH increased the bioavailability of metals to marine mussels. Larva shell size was significantly affected by both elutriates when compared with seawater; moreover, a significant difference occurred at pH 6.5 between elutriates in the fertilisation bioassay.
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Affiliation(s)
- D Szalaj
- Departamento de Ciências do Mar. Instituto do Mar, Campus Baixada Santista, Universidade Federal de São Paulo, Av. Alm. Sandanha da Gama, 89-Ponta da Praia/SP CEP, Santos, SP, 11030-400, Brazil.
- Faculdade de Ciências, Instituto Dom Luiz, Universidade de Lisboa, 1749-016, Campo Grande, Lisboa, Portugal.
| | - M R De Orte
- Departamento de Ciências do Mar. Instituto do Mar, Campus Baixada Santista, Universidade Federal de São Paulo, Av. Alm. Sandanha da Gama, 89-Ponta da Praia/SP CEP, Santos, SP, 11030-400, Brazil
| | - T A Goulding
- Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, UNESCO/UNITWIN Wicop, Polígono Río San Pedro s/n, 11510, Cádiz, Puerto Real, Spain
| | - I D Medeiros
- Departamento de Ciências do Mar. Instituto do Mar, Campus Baixada Santista, Universidade Federal de São Paulo, Av. Alm. Sandanha da Gama, 89-Ponta da Praia/SP CEP, Santos, SP, 11030-400, Brazil
| | - T A DelValls
- Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, UNESCO/UNITWIN Wicop, Polígono Río San Pedro s/n, 11510, Cádiz, Puerto Real, Spain
| | - A Cesar
- Departamento de Ciências do Mar. Instituto do Mar, Campus Baixada Santista, Universidade Federal de São Paulo, Av. Alm. Sandanha da Gama, 89-Ponta da Praia/SP CEP, Santos, SP, 11030-400, Brazil
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20
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Conradi M, Riba I, Almagro-Pastor V, DelValls TA. Lethal and sublethal responses in the clam Scrobicularia plana exposed to different CO 2-acidic sediments. ENVIRONMENTAL RESEARCH 2016; 151:642-652. [PMID: 27619209 DOI: 10.1016/j.envres.2016.08.032] [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: 01/13/2016] [Revised: 08/26/2016] [Accepted: 08/27/2016] [Indexed: 06/06/2023]
Abstract
One of the main impacts expected in CO2 leakage scenarios from carbon capture and storage in sub-seabed geological structures is the acidification of the environment. In the present work, laboratory-scale experiments were performed to investigate the effects of seawater acidification (pH 7.0, 6.5, 6.0, and control) in native clams (Scrobicularia plana) over 21 days of exposure. For this purpose, a battery of biomarkers (GSI, EROD, GST, GPX, LPO, and DNA damage) were analysed in the digestive glands of individuals collected on days 7, 14 and 21. Seawater acidification significantly affected the average life span of S. plana, and both the biomarkers analysed and the multivariate analysis approach demonstrated that seawater acidification induced a strong oxidative stress response in the clam. Oxidative stress overwhelmed the capacity of S. plana to defend its cells against it, resulting in DNA damage. Furthermore, the decline in the population of S. plana in their natural habitat could lead to a reduction in available food resources for avifauna, ichthyofauna, and for the local economy because this clam is a commercial species in the south of Europe.
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Affiliation(s)
- M Conradi
- Laboratorio de Biología Marina, Dpto Zoología, Facultad de Biología, Universidad de Sevilla, Avd/ Reina Mercedes s/n, 41012 Sevilla, Spain.
| | - I Riba
- UNESCO UNITWIN/UNICOP, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
| | - V Almagro-Pastor
- UNESCO UNITWIN/UNICOP, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
| | - T A DelValls
- UNESCO UNITWIN/UNICOP, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
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Borrero-Santiago AR, Carbú M, DelValls TÁ, Riba I. CO2 leaking from sub-seabed storage: Responses of two marine bacteria strains. MARINE ENVIRONMENTAL RESEARCH 2016; 121:2-8. [PMID: 27255122 DOI: 10.1016/j.marenvres.2016.05.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 05/16/2016] [Accepted: 05/23/2016] [Indexed: 06/05/2023]
Abstract
Carbon capture and storage (CCS) in stable geological locations is one of the options to mitigate the negative effects of global warming produced by the increase in CO2 concentrations in the atmosphere. A CO2 leak is one of the risks associated with this strategy. Marine bacteria attached to the sediment may be affected by an acidification event. Responses of two marine strains (Roseobacter sp. CECT 7117 and Pseudomonas litoralis CECT 7670) were assessed under different scenarios using a range of pH values (7.8, 7, 6.5, 6, and 5.5) to mimic a CO2 leak. A CO2 injection system was used to simulate an escape from a stable sub-seabed. Growth rate (μ), cell number, inhibition of Relative Inhibitory Effect (RI CO2) and inhibited population were analysed as endpoints. P. litoralis showed more sensitivity to high CO2 concentrations than Roseobacter sp. Our results highlight the diversity and resistance in marine bacteria and their capacity to adapt under a stressful CO2 leakage.
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Affiliation(s)
- A R Borrero-Santiago
- Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, UNESCO/UNITWIN WiCoP, Campus de Excelencia Internacional del Mar (CEIMAR), Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain.
| | - M Carbú
- Departamento de Biomedicina, Biotecnología y Salud Pública, Laboratorio de Microbiología, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
| | - T Á DelValls
- Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, UNESCO/UNITWIN WiCoP, Campus de Excelencia Internacional del Mar (CEIMAR), Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
| | - I Riba
- Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, UNESCO/UNITWIN WiCoP, Campus de Excelencia Internacional del Mar (CEIMAR), Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
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Borrero-Santiago AR, DelValls TA, Riba I. Carbon Capture and Storage (CCS): Risk assessment focused on marine bacteria. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2016; 131:157-163. [PMID: 27107627 DOI: 10.1016/j.ecoenv.2016.04.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 03/02/2016] [Accepted: 04/14/2016] [Indexed: 06/05/2023]
Abstract
Carbon capture and storage (CCS) is one of the options to mitigate the negative effects of the climate change. However, this strategy may have associated some risks such as CO2 leakages due to an escape from the reservoir. In this context, marine bacteria have been underestimated. In order to figure out the gaps and the lack of knowledge, this work summarizes different studies related to the potential effects on the marine bacteria associated with an acidification caused by a CO2 leak from CSS. An improved integrated model for risk assessment is suggested as a tool based on the rapid responses of bacterial community. Moreover, this contribution proposes a strategy for laboratory protocols using Pseudomona stanieri (CECT7202) as a case of study and analyzes the response of the strain under different CO2 conditions. Results showed significant differences (p≤0.05) under six diluted enriched medium and differences about the days in the exponential growth phase. Dilution 1:10 (Marine Broth 2216 with seawater) was selected as an appropriate growth medium for CO2 toxicity test in batch cultures. This work provide an essential and a complete tool to understand and develop a management strategy to improve future works related to possible effects produced by potential CO2 leaks.
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Affiliation(s)
- A R Borrero-Santiago
- Departamento de Química Física. Facultad de Ciencias Del Mar y Ambientales, Universidad de Cádiz. Grupo de Contaminación de sistemas acuáticos. UNESCO/UNITWIN Wicop. Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain.
| | - T A DelValls
- Departamento de Química Física. Facultad de Ciencias Del Mar y Ambientales, Universidad de Cádiz. Grupo de Contaminación de sistemas acuáticos. UNESCO/UNITWIN Wicop. Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
| | - I Riba
- Departamento de Química Física. Facultad de Ciencias Del Mar y Ambientales, Universidad de Cádiz. Grupo de Contaminación de sistemas acuáticos. UNESCO/UNITWIN Wicop. Polígono Río San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
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Riba I, Gabrielyan B, Khosrovyan A, Luque A, Del Valls TA. The influence of ph and waterborne metals on egg fertilization of the blue mussel (Mytilus edulis), the oyster (Crassostrea gigas) and the sea urchin (Paracentrotus lividus). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:14580-14588. [PMID: 27068916 DOI: 10.1007/s11356-016-6611-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 03/31/2016] [Indexed: 06/05/2023]
Abstract
This study evaluated the combined effect of pH and metals on the egg fertilization process of two estuarine species, the blue mussel (Mytilus edulis), the oyster (Crassostrea gigas) and a marine species, the sea urchin (Paracentrotus lividus). The success of egg fertilization was examined after exposure of gametes to sediment extracts of various degrees of contamination at pH 6.0, 6.5, 7.0, 7.5 and 8.0. At the pH levels from 6.5 to 8.0, the egg fertilization of the different species demonstrated different sensitivity to metal and/or acidic exposure. In all species, the results revealed that egg fertilization was almost completely inhibited at pH 6.0. The egg fertilization of the blue mussel M. edulis was the least sensitive to the exposure while that of the sea urchin P. lividus demonstrated a concentration-dependent response to the pH levels from 6.5 to 8.0. The results of this study revealed that acidity increased the concentration of several metal ions (Cr, Ni, Cu, Zn, Cd, and Pb) but reduced its availability to the organisms, probably related to the reactivity of the ions with most non-metals or to the competition among metals and other waterborne constituents.
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Affiliation(s)
- Inmaculada Riba
- UNESCO/UNITWIN WiCop, Department of Physical Chemistry, University of Cadiz, Poligono Río San Pedro, s/n, 11510, Puerto Real, Cádiz, Spain
| | - Bardukh Gabrielyan
- Scientific Center of Zoology and Hydrobiology, 7 Paruir Sevak, Yerevan, 0014, Armenia
| | - Alla Khosrovyan
- UNESCO/UNITWIN WiCop, Department of Physical Chemistry, University of Cadiz, Poligono Río San Pedro, s/n, 11510, Puerto Real, Cádiz, Spain.
| | - Angel Luque
- Department of Biology, University of Las Palmas de Gran Canaria, Tafira, Las Palmas, Spain
| | - T Angel Del Valls
- UNESCO/UNITWIN WiCop, Department of Physical Chemistry, University of Cadiz, Poligono Río San Pedro, s/n, 11510, Puerto Real, Cádiz, Spain
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Bautista-Chamizo E, De Orte MR, DelValls TÁ, Riba I. Simulating CO₂ leakages from CCS to determine Zn toxicity using the marine microalgae Pleurochrysis roscoffensis. CHEMOSPHERE 2016; 144:955-965. [PMID: 26432538 DOI: 10.1016/j.chemosphere.2015.09.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 09/08/2015] [Accepted: 09/09/2015] [Indexed: 06/05/2023]
Abstract
Due to the current climate change and ocean acidification, a new technology for CO2 mitigation has been proposed, the Carbon dioxide Capture and Storage (CCS). However, there is an ecological risk associated with potential CO2 leakages from the sub-seabed storages sites. To evaluate the effects related to CO2 leakages, laboratory-scales experiments were performed using the marine microalgae Pleurochrysis roscoffensis. Five Zn concentrations were tested at different pHs to study Zn toxicity under acidified conditions. Seawater was collected and submitted to acidification by means of CO2 injection and by HCl addition. Results showed differences between both acidification techniques: while microalgae growth was enhanced by CO2 supply, reaching the optimal growth at pH 6.5 and full inhibition at pH 5.5, HCl acidification growth was inhibited at pH 6.5. Although small concentrations of Zn were positive for P. roscoffensis growth, Zn toxicity increased at lower pHs, and more severely on samples acidified with HCl. The conclusions obtained in this work are useful to address the potential effects on the marine ecosystem related to changes in metal bioavailability during CO2 leakages scenarios.
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Affiliation(s)
- Esther Bautista-Chamizo
- Departamento de Química-Física, Facultad de Ciencias Del Mar y Ambientales, Universidad de Cádiz, UNESCO/UNITWIN Wicop, Polígono Río San Pedro s/n, 11510 Puerto Real, Cádiz, Spain.
| | - Manoela Romanó De Orte
- Departamento de Ciências do Mar, Campus Baixada Santista, Universidade Federal de Sãao Paulo, Av. Alm. Sandanha da Gama, 89-Ponta da Praia, CEP 11030-400 Santos, SP, Brazil.
| | - Tomás Ángel DelValls
- Departamento de Química-Física, Facultad de Ciencias Del Mar y Ambientales, Universidad de Cádiz, UNESCO/UNITWIN Wicop, Polígono Río San Pedro s/n, 11510 Puerto Real, Cádiz, Spain.
| | - Inmaculada Riba
- Departamento de Química-Física, Facultad de Ciencias Del Mar y Ambientales, Universidad de Cádiz, UNESCO/UNITWIN Wicop, Polígono Río San Pedro s/n, 11510 Puerto Real, Cádiz, Spain.
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Rodríguez-Romero A, Jiménez-Tenorio N, Riba I, Blasco J. Laboratory simulation system, using Carcinus maenas as the model organism, for assessing the impact of CO2 leakage from sub-seabed injection and storage. ENVIRONMENTAL RESEARCH 2016; 144:117-129. [PMID: 26599590 DOI: 10.1016/j.envres.2015.11.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 10/25/2015] [Accepted: 11/04/2015] [Indexed: 06/05/2023]
Abstract
The capture and storage of CO2 in sub-seabed geological formations has been proposed as one of the potential options to decrease atmospheric CO2 concentrations in order to mitigate the abrupt and irreversible consequences of climate change. However, it is possible that CO2 leakages could occur during the injection and sequestration procedure, with significant repercussions for the marine environment. We investigate the effects of acidification derived from possible CO2 leakage events on the European green crab, Carcinus maenas. To this end, a lab-scale experiment involving direct release of CO2 was conducted at pH values between 7.7 and 6.15. Female crabs were exposed for 10 days to sediment collected from two different coastal areas, one with relatively uncontaminated sediment (RSP) and the other with known contaminated sediment (MZ and ML), under the pre-established seawater pH conditions. Survival rate, histopathological damage and metal (Fe, Mn, Cu, Zn, Cr, Cd and Pb) and As accumulation in gills and hepatopancreas tissue were employed as endpoints. In addition, the obtained results were compared with the results of the physico-chemical characterization of the sediments, which included the determination of the metals Fe, Mn, Cu, Zn, Cr, Pb and Cd, the metalloid As, certain polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs), as well as nonchemical sediment properties (grain size, organic carbon and total organic matter). Significant associations were observed between pH and the histological damage. Concentrations of Fe, Mn, Cr, Pb, Cd and PAHs in sediment, presented significant negative correlations with the damage to gills and hepatopancreas, and positive correlations with metal accumulation in both tissues. The results obtained in this study reveal the importance of sediment properties in the biological effects caused by possible CO2 leakage. However, a clear pattern was not observed between metal accumulation in tissues and pH reduction. Animals' avoidance behavior and degree of tolerance to acidification are confounding factors for assessing metal bioaccumulation. Further research is required to find a suitable assay that would allow us to predict the risk to environmental health of possible negative side effects of metal mobility derived from CO2 leakage during its injection and storage in sub-seabed formations.
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Affiliation(s)
- Araceli Rodríguez-Romero
- Departamento de Ecología y Gestión Costera, Instituto de Ciencias Marinas de Andalucía (CSIC), Campus Río San Pedro, 11510 Puerto Real, Cádiz, Spain.
| | - Natalia Jiménez-Tenorio
- Cátedra UNESCO/UNITWIN/WiCop, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, 11510 Puerto Real, Cádiz, Spain
| | - Inmaculada Riba
- Cátedra UNESCO/UNITWIN/WiCop, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, 11510 Puerto Real, Cádiz, Spain
| | - Julián Blasco
- Departamento de Ecología y Gestión Costera, Instituto de Ciencias Marinas de Andalucía (CSIC), Campus Río San Pedro, 11510 Puerto Real, Cádiz, Spain
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Basallote MD, Rodríguez-Romero A, De Orte MR, Del Valls TÁ, Riba I. Evaluation of the threat of marine CO2 leakage-associated acidification on the toxicity of sediment metals to juvenile bivalves. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2015; 166:63-71. [PMID: 26240951 DOI: 10.1016/j.aquatox.2015.07.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 06/12/2015] [Accepted: 07/08/2015] [Indexed: 06/04/2023]
Abstract
The effects of the acidification associated with CO2 leakage from sub-seabed geological storage was studied by the evaluation of the short-term effects of CO2-induced acidification on juveniles of the bivalve Ruditapes philippinarum. Laboratory scale experiments were performed using a CO2-bubbling system designed to conduct ecotoxicological assays. The organisms were exposed for 10 days to elutriates of sediments collected in different littoral areas that were subjected to various pH treatments (pH 7.1, 6.6, 6.1). The acute pH-associated effects on the bivalves were observed, and the dissolved metals in the elutriates were measured. The median toxic effect pH was calculated, which ranged from 6.33 to 6.45. The amount of dissolved Zn in the sediment elutriates increased in parallel with the pH reductions and was correlated with the proton concentrations. The pH, the pCO2 and the dissolved metal concentrations (Zn and Fe) were linked with the mortality of the exposed bivalves.
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Affiliation(s)
- M Dolores Basallote
- Cátedra UNESCO/UNITWIN WiCop, Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, 11510 Puerto Real, Cádiz, Spain.
| | - Araceli Rodríguez-Romero
- Departamento de Ecología y Gestión Costera, Instituto de Ciencias Marinas de Andalucía (CSIC), Campus Río San Pedro, 11510 Puerto Real, Cádiz, Spain
| | - Manoela R De Orte
- Cátedra UNESCO/UNITWIN WiCop, Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, 11510 Puerto Real, Cádiz, Spain
| | - T Ángel Del Valls
- Cátedra UNESCO/UNITWIN WiCop, Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, 11510 Puerto Real, Cádiz, Spain
| | - Inmaculada Riba
- Cátedra UNESCO/UNITWIN WiCop, Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Polígono Río San Pedro s/n, 11510 Puerto Real, Cádiz, Spain
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Zeng X, Chen X, Zhuang J. The positive relationship between ocean acidification and pollution. MARINE POLLUTION BULLETIN 2015; 91:14-21. [PMID: 25534629 DOI: 10.1016/j.marpolbul.2014.12.001] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 11/24/2014] [Accepted: 12/03/2014] [Indexed: 06/04/2023]
Abstract
Ocean acidification and pollution coexist to exert combined effects on the functions and services of marine ecosystems. Ocean acidification can increase the biotoxicity of heavy metals by altering their speciation and bioavailability. Marine pollutants, such as heavy metals and oils, could decrease the photosynthesis rate and increase the respiration rate of marine organisms as a result of biotoxicity and eutrophication, facilitating ocean acidification to varying degrees. Here we review the complex interactions between ocean acidification and pollution in the context of linkage of multiple stressors to marine ecosystems. The synthesized information shows that pollution-affected respiration acidifies coastal oceans more than the uptake of anthropogenic carbon dioxide. Coastal regions are more vulnerable to the negative impact of ocean acidification due to large influxes of pollutants from terrestrial ecosystems. Ocean acidification and pollution facilitate each other, and thus coastal environmental protection from pollution has a large potential for mitigating acidification risk.
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Affiliation(s)
- Xiangfeng Zeng
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; University of Chinese Academy of Sciences, Beijing 100039, China
| | - Xijuan Chen
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
| | - Jie Zhuang
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; Department of Biosystems Engineering and Soil Science, The University of Tennessee, Knoxville, TN 37996, USA.
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