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Gustafsson E, Carstensen J, Fleming V, Gustafsson BG, Hoikkala L, Rehder G. Causes and consequences of acidification in the Baltic Sea: implications for monitoring and management. Sci Rep 2023; 13:16322. [PMID: 37770562 PMCID: PMC10539381 DOI: 10.1038/s41598-023-43596-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 09/26/2023] [Indexed: 09/30/2023] Open
Abstract
Increasing atmospheric CO2 drives ocean acidification globally. In coastal seas, acidification trends can however be either counteracted or enhanced by other processes. Ecosystem effects of acidification are so far small in the Baltic Sea, but changes should be anticipated unless CO2 emissions are curbed. Possible future acidification trends in the Baltic Sea, conditional on CO2 emissions, climate change, and changes in productivity, can be assessed by means of model simulations. There are uncertainties regarding potential consequences for marine organisms, partly because of difficulties to assign critical thresholds, but also because of knowledge gaps regarding species' capacity to adapt. Increased temporal and spatial monitoring of inorganic carbon system parameters would allow a better understanding of current acidification trends and also improve the capacity to predict possible future changes. An additional benefit is that such measurements also provide quantitative estimates of productivity. The technology required for precise measurements of the inorganic carbon system is readily available today. Regularly updated status evaluations of acidification, and the inorganic carbon system in general, would support management when assessing climate change effects, eutrophication or characteristics of the pelagic habitats. This would, however, have to be based on a spatially and temporally sufficient monitoring program.
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Affiliation(s)
- Erik Gustafsson
- Baltic Nest Institute, Baltic Sea Centre, Stockholm University, Stockholm, Sweden.
| | | | - Vivi Fleming
- Marine and Freshwater Solutions, Finnish Environment Institute, Helsinki, Finland
| | - Bo G Gustafsson
- Baltic Nest Institute, Baltic Sea Centre, Stockholm University, Stockholm, Sweden
- Tvärminne Zoological Station, University of Helsinki, Hanko, Finland
| | - Laura Hoikkala
- Marine and Freshwater Solutions, Finnish Environment Institute, Helsinki, Finland
| | - Gregor Rehder
- Leibniz Institute for Baltic Sea Research Warnemünde (IOW), Rostock, Germany
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2
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Lee YH, Kim MS, Lee Y, Kim DH, Lee JS. Nanoplastics induce epigenetic signatures of transgenerational impairments associated with reproduction in copepods under ocean acidification. JOURNAL OF HAZARDOUS MATERIALS 2023; 449:131037. [PMID: 36842400 DOI: 10.1016/j.jhazmat.2023.131037] [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: 12/18/2022] [Revised: 02/15/2023] [Accepted: 02/17/2023] [Indexed: 06/18/2023]
Abstract
Ocean acidification (OA) is one of many major global climate changes that pose a variety of risks to marine ecosystems in different ways. Meanwhile, there is growing concern about how nanoplastics (NPs) affect marine ecosystems. Combined exposure of marine organisms to OA and NPs is inevitable, but their interactive effects remain poorly understood. In this study, we investigated the multi- and transgenerational toxicity of NPs on copepods under OA conditions for ten generations. The findings revealed that OA and NPs have a synergistic negative effect on copepod reproduction across generations. In particular, the transgenerational groups showed reproductive impairments in the F1 and F2 generations (F1T and F2T), even though they were never exposed to NPs. Moreover, our epigenetic examinations demonstrated that the observed intergenerational reproductive impairments are associated with differential methylation patterns of specific genes, suggesting that the interaction of OA and NPs can pose a significant threat to the sustainability of copepod populations through epigenetic modifications. Overall, our findings provide valuable insight into the intergenerational toxicity and underlying molecular mechanisms of responses to NPs under OA conditions.
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Affiliation(s)
- Young Hwan Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Min-Sub Kim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Yoseop Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Duck-Hyun Kim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Jae-Seong Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
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3
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Richardson EL, Marshall DJ. Mapping the correlations and gaps in studies of complex life histories. Ecol Evol 2023; 13:e9809. [PMID: 36820248 PMCID: PMC9937794 DOI: 10.1002/ece3.9809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 01/16/2023] [Accepted: 01/23/2023] [Indexed: 02/19/2023] Open
Abstract
For species with complex life histories, phenotypic correlations between life-history stages constrain both ecological and evolutionary trajectories. Studies that seek to understand correlations across the life history differ greatly in their experimental approach: some follow individuals ("individual longitudinal"), while others follow cohorts ("cohort longitudinal"). Cohort longitudinal studies risk confounding results through Simpson's Paradox, where correlations observed at the cohort level do not match that of the individual level. Individual longitudinal studies are laborious in comparison, but provide a more reliable test of correlations across life-history stages. Our understanding of the prevalence, strength, and direction of phenotypic correlations depends on the approaches that we use, but the relative representation of different approaches remains unknown. Using marine invertebrates as a model group, we used a formal, systematic literature map to screen 17,000+ papers studying complex life histories, and characterized the study type (i.e., cohort longitudinal, individual longitudinal, or single stage), as well as other factors. For 3315 experiments from 1716 articles, 67% focused on a single stage, 31% were cohort longitudinal and just 1.7% used an individual longitudinal approach. While life-history stages have been studied extensively, we suggest that the field prioritize individual longitudinal studies to understand the phenotypic correlations among stages.
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Affiliation(s)
- Emily L. Richardson
- Centre for Geometric Biology, School of Biological SciencesMonash UniversityMelbourneVictoriaAustralia
| | - Dustin J. Marshall
- Centre for Geometric Biology, School of Biological SciencesMonash UniversityMelbourneVictoriaAustralia
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4
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Thangal SH, Muralisankar T, Anandhan K, Gayathri V, Yogeshwaran A. Effect of CO 2 driven ocean acidification on the mud crab Scylla serrata instars. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 312:119995. [PMID: 36007788 DOI: 10.1016/j.envpol.2022.119995] [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: 04/24/2022] [Revised: 07/29/2022] [Accepted: 08/15/2022] [Indexed: 06/15/2023]
Abstract
The decreasing ocean pH seems to adversely affect marine organisms, including crustaceans, which leads to potential threats to seafood safety. The present investigation evaluated the effect of seawater acidification on the edible marine mud crab Scylla serrata instars. The experimental setup was designed using a multi-cell cage based system assembled with 20 pre holed PVC pipes containing 20 individual crabs to avoid cannibalism. The crab instars were exposed to CO2 driven acidified seawater at pH 7.8 (IPCC forecast pH at the end of the 21st century), 7.6, 7.4, 7.2, and 7.0 for 60 days. The crabs reared in seawater without acidification at pH 8.2 served as control. The present study revealed a notable decrease in survival, feed intake, growth, molting, tissue biochemical constituents, minerals, chitin, and alkaline phosphatase in S. serrata instar reared in acidified seawater, denotes the adverse effect of seawater acidification on crabs. The significant elevations in antioxidants, lipid peroxidation, and metabolic enzymes in all acidified seawater compared to ambient pH indicates the physiological stress of the crabs' instars. The changes in the metabolic enzymes reveal the metabolism of protein and glucose for additional energy required by the crabs to tolerate the acidic stress. Hence, the present study provides insight into the seawater acidification can adversely affect the crab S. serrata.
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Affiliation(s)
- Said Hamid Thangal
- Aquatic Ecology Laboratory, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641 046, India
| | - Thirunavukkarasu Muralisankar
- Aquatic Ecology Laboratory, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641 046, India.
| | - Krishnan Anandhan
- Aquatic Ecology Laboratory, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641 046, India
| | - Velusamy Gayathri
- Aquatic Ecology Laboratory, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641 046, India
| | - Arumugam Yogeshwaran
- Aquatic Ecology Laboratory, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641 046, India
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5
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Prakash S, Kumar A, Okla MK, Ahmad AL, Abbas ZK, Al-Ghamdi AA, Beemster G, AbdElgawad H. Physiological responses of the symbiotic shrimp Ancylocaris brevicarpalis and its host sea anemone Stichodactyla haddoni to ocean acidification. MARINE POLLUTION BULLETIN 2022; 175:113287. [PMID: 35114544 DOI: 10.1016/j.marpolbul.2021.113287] [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: 09/30/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 06/14/2023]
Abstract
In this study, the physiology of symbiotic 'peacock-tail' shrimp Ancylocaris brevicarpalis and its host 'Haddon's carpet' sea anemone Stichodactyla haddoni were tested under lowered pH (7.7) and control (8.1) conditions. The biochemical responses such as digestive enzyme (AP), organic acids (lactate and succinate), oxidative damages (MDA), antioxidants metabolites/enzymes (ASC, GSH, SOD, CAT, APX, GPX, GR, POX, and PHOX), and detoxification enzyme (GST) were measured. The AP showed insignificantly reduced values in both the organisms in lowered pH conditions compared to control indicating the effect of abiotic stress. The hierarchical clustering analysis indicated low MDA in sea anemone can be explained by higher POX, APX, GR, ASC, and GSH levels compared to shrimps. However, the detoxification enzyme GST showed less activity in sea anemones compared to shrimps. The results suggest that A. brevicarpalis and sea anemone S. haddoni may have deleterious effects when exposed to short-term acidification stress.
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Affiliation(s)
- Sanjeevi Prakash
- Centre for Climate Change Studies, Sathybama Institute of Science and Technology, Rajiv Gandhi Salai, Chennai 600119, Tamil Nadu, India; Sathyabama Marine Research Station, Sallimalai Street, Rameswaram 623526, Tamil Nadu, India.
| | - Amit Kumar
- Centre for Climate Change Studies, Sathybama Institute of Science and Technology, Rajiv Gandhi Salai, Chennai 600119, Tamil Nadu, India; Sathyabama Marine Research Station, Sallimalai Street, Rameswaram 623526, Tamil Nadu, India
| | - Mohammad K Okla
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - ALhimadi Ahmad
- Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Zahid Khorshid Abbas
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Abdullah A Al-Ghamdi
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Gerrit Beemster
- University of Antwerp, Department of Biology, Integrated Molecular Plant Physiology Research Group, Antwerp, Belgium
| | - Hamada AbdElgawad
- University of Antwerp, Department of Biology, Integrated Molecular Plant Physiology Research Group, Antwerp, Belgium; Department of Botany and Microbiology, Faculty of Science, Beni-Suef University, Beni-Suef 62514, Egypt
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6
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Ullah H, Fordham DA, Nagelkerken I. Climate change negates positive CO 2 effects on marine species biomass and productivity by altering the strength and direction of trophic interactions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 801:149624. [PMID: 34419906 DOI: 10.1016/j.scitotenv.2021.149624] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 08/06/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
One of the biggest challenges in more accurately forecasting the effects of climate change on future food web dynamics relates to how climate change affects multi-trophic species interactions, particularly when multiple interacting stressors are considered. Using a dynamic food web model, we investigate the individual and combined effect of ocean warming and acidification on changes in trophic interaction strengths (both direct and indirect) and the consequent effects on biomass structure of food web functional groups. To do this, we mimicked a species-rich multi-trophic-level temperate shallow-water rocky reef food web and integrated empirical data from mesocosm experiments on altered species interactions under warming and acidification, into food-web models. We show that a low number of strong temperature-driven changes in direct trophic interactions (feeding and competition) will largely determine the magnitude of biomass change (either increase or decrease) of high-order consumers, with increasing consumer biomass suppressing that of prey species. Ocean acidification, in contrast, alters a large number of weak indirect interactions (e.g. cascading effects of increased or decreased abundances of other groups), enabling a large increase in consumer and prey biomass. The positive effects of ocean acidification are driven by boosted primary productivity, with energy flowing up to higher trophic levels. We show that warming is a much stronger driver of positive as well as negative modifications of species biomass compared to ocean acidification. Warming affects a much smaller number of existing trophic interactions, though, with direct consumer-resource effects being more important than indirect effects. We conclude that the functional role of consumers in future food webs will be largely regulated by alterations in the strength of direct trophic interactions under ocean warming, with ensuing effects on the biomass structure of marine food webs.
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Affiliation(s)
- Hadayet Ullah
- Southern Seas Ecology Laboratories, School of Biological Sciences and the Environment Institute, The University of Adelaide, Adelaide, Australia
| | - Damien A Fordham
- School of Biological Sciences and the Environment Institute, The University of Adelaide, Adelaide, Australia
| | - Ivan Nagelkerken
- Southern Seas Ecology Laboratories, School of Biological Sciences and the Environment Institute, The University of Adelaide, Adelaide, Australia; School of Biological Sciences and the Environment Institute, The University of Adelaide, Adelaide, Australia.
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7
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Gallo A, Boni R, Buia MC, Monfrecola V, Esposito MC, Tosti E. Ocean acidification impact on ascidian Ciona robusta spermatozoa: New evidence for stress resilience. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 697:134100. [PMID: 31476502 DOI: 10.1016/j.scitotenv.2019.134100] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 05/24/2019] [Accepted: 08/23/2019] [Indexed: 06/10/2023]
Abstract
Rising atmospheric CO2 is causing a progressive decrease of seawater pH, termed ocean acidification. Predicting its impact on marine invertebrate reproduction is essential to anticipate the consequences of future climate change on species fitness and survival. Ocean acidification may affect reproductive success either in terms of gamete or progeny quality threating species survival. Despite an increasing number of studies focusing on the effects of ocean acidification on the early life history of marine organisms, very few have investigated the effects on invertebrate gamete quality. In this study, we set up two experimental approaches simulating the ocean conditions predicted for the end of this century, in situ transplant experiments at a naturally acidified volcanic vent area along the Ischia island coast and microcosm experiments, to evaluate the short-term effects of the predicted near-future levels of ocean acidification on sperm quality of the ascidian Ciona robusta after parental exposure. In the first days of exposure to acidified conditions, we detected alteration of sperm motility, morphology and physiology, followed by a rapid recovery of physiological conditions that provide a new evidence of resilience of ascidian spermatozoa in response to ocean acidification. Overall, the short-term tolerance to adverse conditions opens a new scenario on the marine species capacity to continue to reproduce and persist in changing oceans.
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Affiliation(s)
- Alessandra Gallo
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy
| | - Raffaele Boni
- Department of Sciences, University of Basilicata, 85100 Potenza, Italy
| | - Maria Cristina Buia
- Center of Villa Dohrn Ischia - Benthic Ecology, Department of Integrative Marine Ecology, Stazione Zoologica Anton Dohrn, P.ta S. Pietro, Ischia, Naples, Italy
| | - Vincenzo Monfrecola
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy
| | - Maria Consiglia Esposito
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy
| | - Elisabetta Tosti
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy.
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8
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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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9
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Havenhand JN, Filipsson HL, Niiranen S, Troell M, Crépin AS, Jagers S, Langlet D, Matti S, Turner D, Winder M, de Wit P, Anderson LG. Ecological and functional consequences of coastal ocean acidification: Perspectives from the Baltic-Skagerrak System. AMBIO 2019; 48:831-854. [PMID: 30506502 PMCID: PMC6541583 DOI: 10.1007/s13280-018-1110-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 05/21/2018] [Accepted: 10/03/2018] [Indexed: 05/03/2023]
Abstract
Ocean temperatures are rising; species are shifting poleward, and pH is falling (ocean acidification, OA). We summarise current understanding of OA in the brackish Baltic-Skagerrak System, focussing on the direct, indirect and interactive effects of OA with other anthropogenic drivers on marine biogeochemistry, organisms and ecosystems. Substantial recent advances reveal a pattern of stronger responses (positive or negative) of species than ecosystems, more positive responses at lower trophic levels and strong indirect interactions in food-webs. Common emergent themes were as follows: OA drives planktonic systems toward the microbial loop, reducing energy transfer to zooplankton and fish; and nutrient/food availability ameliorates negative impacts of OA. We identify several key areas for further research, notably the need for OA-relevant biogeochemical and ecosystem models, and understanding the ecological and evolutionary capacity of Baltic-Skagerrak ecosystems to respond to OA and other anthropogenic drivers.
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Affiliation(s)
- Jonathan N. Havenhand
- Department of Marine Sciences, Tjärnö Marine Laboratory, University of Gothenburg, Strömstad, 45296 Gothenburg, Sweden
| | | | - Susa Niiranen
- Stockholm Resilience Centre, Stockholm University, Kräftriket 2B, 10691 Stockholm, Sweden
| | - Max Troell
- Stockholm Resilience Centre, Stockholm University, Kräftriket 2B, 10691 Stockholm, Sweden
- Beijer Institute of Ecological Economics, Royal Swedish Academy of Science, Lilla Frescativägen 4, 10405 Stockholm, Sweden
| | - Anne-Sophie Crépin
- Beijer Institute of Ecological Economics, Royal Swedish Academy of Science, Lilla Frescativägen 4, 10405 Stockholm, Sweden
| | - Sverker Jagers
- Department of Political Sciences, University of Gothenburg, Box 711, Sprängkullsgatan 19, 40530 Gothenburg, Sweden
| | - David Langlet
- Department of Law, University of Gothenburg, Box 650, 40530 Gothenburg, Sweden
| | - Simon Matti
- Department of Political Sciences, Luleå University of Technology, 97187 Luleå, Sweden
| | - David Turner
- Department of Marine Sciences, University of Gothenburg, Box 461, 40530 Gothenburg, Sweden
| | - Monika Winder
- Department of Ecology, Environment and Plant Sciences, Stockholm University, 10691 Stockholm, Sweden
| | - Pierre de Wit
- Department of Marine Sciences, Tjärnö Marine Laboratory, University of Gothenburg, Strömstad, 45296 Gothenburg, Sweden
| | - Leif G. Anderson
- Department of Marine Sciences, University of Gothenburg, Box 461, 40530 Gothenburg, Sweden
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