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Cabral AC, de Souza AC, Sá F, Neto RR, C Martins C. How did a tailings spill change the distribution of legacy organochlorine compounds in a Southeast Atlantic inner shelf area: Is a hidden danger being transferred to the ocean? THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:166939. [PMID: 37709099 DOI: 10.1016/j.scitotenv.2023.166939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 08/18/2023] [Accepted: 09/07/2023] [Indexed: 09/16/2023]
Abstract
Polychlorinated biphenyls (PCBs) and dichloro-diphenyl-trichloroethane (DDT) were evaluated in water and sediments from the Espírito Santo Inner Shelf (ESIS), Brazil, three years after the Fundão dam failure (FDF). We discuss the levels, sources, fate, and current environmental risks of these contaminants on temporal and spatial scales. In addition, the associated coastal dispersion patterns, water-sediment exchange trends, and environmental alterations were also discussed. Low contributions and no environmental risks were verified for PCBs after FDF. However, the low concentrations and frequency of occurrence in the samples did not allow for further reliable conclusions regarding the source of this contaminant. In contrast, hazard risk has been detected for DDTs in water and sediments. In sediments, there were a significant increase in level (up to 13.42 ng g-1; outlier = 369.6 ng g-1), inventory (maximum = 35.98 ng cm-2) and mean total mass (21.1 ± 39.4 kg) of DDTs after FDF. The integrated assessment of the spatial distribution in water and sediment suggests that DDTs was released from the Doce River, travelled south by the water column, and returned to the mouth region by northward sediment transport, where it accumulated. However, intense rainfall increased the input of DDTs to the ESIS and may have also altered its spatial distribution. Fugacity fraction analysis (ƒƒ) indicated a net flux of DDTs from water to sediment, suggesting that vertical sinking was an important transport process in this area. Finally, the findings indicate that FDF contributed to DDTs input on ESIS by remobilizing contaminated past sediments and soils from the Doce River drainage basin. This contribution is expected to continue since a large amount of tailings is still stored in the river basin and estuary. These results highlight the importance of assessing the indirect impacts of large-scale land disasters on marine environments, and may be helpful in future interpretations of additional local trends and global inventories of legacy pollutants.
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Affiliation(s)
- Ana Caroline Cabral
- Centro de Estudos do Mar, Campus Pontal do Paraná, Universidade Federal do Paraná, Caixa Postal 61, 83255-976 Pontal do Paraná, PR, Brazil; Programa de Pós-Graduação em Sistemas Costeiros e Oceânicos, Universidade Federal do Paraná, Caixa Postal 61, 83255-976 Pontal do Paraná, PR, Brazil
| | - Amanda Câmara de Souza
- Centro de Estudos do Mar, Campus Pontal do Paraná, Universidade Federal do Paraná, Caixa Postal 61, 83255-976 Pontal do Paraná, PR, Brazil
| | - Fabian Sá
- Laboratório de Geoquímica Ambiental e Poluição Marinha, Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Av. Fernando Ferrari, 514, Vitória CEP 29075-910, ES, Brazil
| | - Renato Rodrigues Neto
- Laboratório de Geoquímica Ambiental e Poluição Marinha, Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Av. Fernando Ferrari, 514, Vitória CEP 29075-910, ES, Brazil
| | - César C Martins
- Centro de Estudos do Mar, Campus Pontal do Paraná, Universidade Federal do Paraná, Caixa Postal 61, 83255-976 Pontal do Paraná, PR, Brazil.
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Pereira PHF, Fernandes L, Jesus HE, Costa PG, Lacerda CHF, Mies M, Bianchini A, Santos HF. The Impact of Highly Weathered Oil from the Most Extensive Oil Spill in Tropical Oceans (Brazil) on the Microbiome of the Coral Mussismilia harttii. Microorganisms 2023; 11:1935. [PMID: 37630495 PMCID: PMC10458584 DOI: 10.3390/microorganisms11081935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 06/30/2023] [Accepted: 07/06/2023] [Indexed: 08/27/2023] Open
Abstract
In 2019, the largest oil spill ever recorded in tropical oceans in terms of extent occurred in Brazil. The oil from the spill was collected directly from the environment and used in an exposure experiment with the endangered reef-building coral Mussismilia harttii. The treatments of the experiment were control (without oil), 1% oil, 2.5% oil, and direct contact of coral with oil. The most abundant hydrocarbon in the seawater of the experiment was phenatrene, which is toxic to corals. However, overall, the concentration of PAHs was not very high. The analysis of the maximum photosynthetic capacity of Symbiodiniaceae dinoflagellates showed a small impact of oil on corals, mainly on the contact treatment. However, coral microbiomes were affected in all oil treatments, with the contact treatment showing the most pronounced impact. A greater number and abundance of stress-indicating and potentially pathogenic bacteria were found in all oil treatments. Finally, this highly weathered oil that had lain in the ocean for a long time was carrying potentially coral-pathogenic bacteria within the Vibrionaceae family and was able to transmit some of these bacteria to corals. Bacteria within Vibrionaceae are the main causes of disease in different species of corals and other marine organisms.
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Affiliation(s)
- Pedro Henrique F. Pereira
- Department of Marine Biology, Fluminense Federal University—UFF, St. Professor Marcos Waldemar de Freitas Reis, Niterói 24210-201, RJ, Brazil; (P.H.F.P.); (L.F.); (H.E.J.)
| | - Luanny Fernandes
- Department of Marine Biology, Fluminense Federal University—UFF, St. Professor Marcos Waldemar de Freitas Reis, Niterói 24210-201, RJ, Brazil; (P.H.F.P.); (L.F.); (H.E.J.)
| | - Hugo E. Jesus
- Department of Marine Biology, Fluminense Federal University—UFF, St. Professor Marcos Waldemar de Freitas Reis, Niterói 24210-201, RJ, Brazil; (P.H.F.P.); (L.F.); (H.E.J.)
| | - Patricia G. Costa
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande—FURG, Av. Itália, s/n, Carreiros, Rio Grande 96203-900, RS, Brazil; (P.G.C.); (A.B.)
| | - Carlos H. F. Lacerda
- Instituto Coral Vivo, Rua dos Coqueiros, 87, Santa Cruz Cabrália 45807-000, BA, Brazil; (C.H.F.L.); (M.M.)
| | - Miguel Mies
- Instituto Coral Vivo, Rua dos Coqueiros, 87, Santa Cruz Cabrália 45807-000, BA, Brazil; (C.H.F.L.); (M.M.)
- Instituto Oceanográfico, Universidade de São Paulo, Praça do Oceanográfico, 191, São Paulo 05508-120, SP, Brazil
| | - Adalto Bianchini
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande—FURG, Av. Itália, s/n, Carreiros, Rio Grande 96203-900, RS, Brazil; (P.G.C.); (A.B.)
- Instituto Coral Vivo, Rua dos Coqueiros, 87, Santa Cruz Cabrália 45807-000, BA, Brazil; (C.H.F.L.); (M.M.)
| | - Henrique F. Santos
- Department of Marine Biology, Fluminense Federal University—UFF, St. Professor Marcos Waldemar de Freitas Reis, Niterói 24210-201, RJ, Brazil; (P.H.F.P.); (L.F.); (H.E.J.)
- Instituto Coral Vivo, Rua dos Coqueiros, 87, Santa Cruz Cabrália 45807-000, BA, Brazil; (C.H.F.L.); (M.M.)
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Gijsbers JC, Englebert N, Prata KE, Pichon M, Dinesen Z, Brunner R, Eyal G, González-Zapata FL, Kahng SE, Latijnhouwers KRW, Muir P, Radice VZ, Sánchez JA, Vermeij MJA, Hoegh-Guldberg O, Jacobs SJ, Bongaerts P. Global phylogenomic assessment of Leptoseris and Agaricia reveals substantial undescribed diversity at mesophotic depths. BMC Biol 2023; 21:147. [PMID: 37365558 DOI: 10.1186/s12915-023-01630-1] [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: 09/22/2022] [Accepted: 05/23/2023] [Indexed: 06/28/2023] Open
Abstract
BACKGROUND Mesophotic coral communities are increasingly gaining attention for the unique biological diversity they host, exemplified by the numerous mesophotic fish species that continue to be discovered. In contrast, many of the photosynthetic scleractinian corals observed at mesophotic depths are assumed to be depth-generalists, with very few species characterised as mesophotic-specialists. This presumed lack of a specialised community remains largely untested, as phylogenetic studies on corals have rarely included mesophotic samples and have long suffered from resolution issues associated with traditional sequence markers. RESULTS Here, we used reduced-representation genome sequencing to conduct a phylogenomic assessment of the two dominant mesophotic genera of plating corals in the Indo-Pacific and Western Atlantic, respectively, Leptoseris and Agaricia. While these genome-wide phylogenies broadly corroborated the morphological taxonomy, they also exposed deep divergences within the two genera and undescribed diversity across the current taxonomic species. Five of the eight focal species consisted of at least two sympatric and genetically distinct lineages, which were consistently detected across different methods. CONCLUSIONS The repeated observation of genetically divergent lineages associated with mesophotic depths highlights that there may be many more mesophotic-specialist coral species than currently acknowledged and that an urgent assessment of this largely unstudied biological diversity is warranted.
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Affiliation(s)
- J C Gijsbers
- California Academy of Sciences, San Francisco, CA, 94118, USA.
| | - N Englebert
- Global Change Institute, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - K E Prata
- California Academy of Sciences, San Francisco, CA, 94118, USA
- School of Biological Sciences, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - M Pichon
- Biodiversity Section, Queensland Museum, Townsville, 4810, Australia
| | - Z Dinesen
- Centre for Biodiversity and Conservation Science, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - R Brunner
- Global Change Institute, The University of Queensland, St Lucia, QLD, 4072, Australia
- ARC Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, QLD, 4811, Australia
| | - G Eyal
- School of Biological Sciences, The University of Queensland, St Lucia, QLD, 4072, Australia
- ARC Centre of Excellence for Coral Reef Studies, The University of Queensland, St Lucia, QLD, 4072, Australia
- The Mina & Everard Goodman Faculty of Life Sciences, Bar-Ilan University, 5290002, Ramat Gan, Israel
| | - F L González-Zapata
- Laboratorio de Biología Molecular Marina (BIOMMAR), Departamento de Ciencias Biológicas, Facultad de Ciencias, Universidad de Los Andes, 111711, Bogotá, Colombia
| | - S E Kahng
- Department of Oceanography, University of Hawaii at Manoa, 1000 Pope Road, Honolulu, HI, 96822, USA
| | - K R W Latijnhouwers
- CARMABI Foundation, Piscaderabaai Z/N, PO Box 2090, Willemstad, Curaçao
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Science Park 700, 1098 XH, Amsterdam, The Netherlands
| | - P Muir
- Global Change Institute, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - V Z Radice
- Global Change Institute, The University of Queensland, St Lucia, QLD, 4072, Australia
- Department of Biological Sciences, Old Dominion University, Norfolk, VA, 23529, USA
| | - J A Sánchez
- Laboratorio de Biología Molecular Marina (BIOMMAR), Departamento de Ciencias Biológicas, Facultad de Ciencias, Universidad de Los Andes, 111711, Bogotá, Colombia
| | - M J A Vermeij
- CARMABI Foundation, Piscaderabaai Z/N, PO Box 2090, Willemstad, Curaçao
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Science Park 700, 1098 XH, Amsterdam, The Netherlands
| | - O Hoegh-Guldberg
- Global Change Institute, The University of Queensland, St Lucia, QLD, 4072, Australia
- School of Biological Sciences, The University of Queensland, St Lucia, QLD, 4072, Australia
- ARC Centre of Excellence for Coral Reef Studies, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - S J Jacobs
- California Academy of Sciences, San Francisco, CA, 94118, USA
| | - P Bongaerts
- California Academy of Sciences, San Francisco, CA, 94118, USA.
- Global Change Institute, The University of Queensland, St Lucia, QLD, 4072, Australia.
- CARMABI Foundation, Piscaderabaai Z/N, PO Box 2090, Willemstad, Curaçao.
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Schmid K, Reis-Filho JA, Loiola M, Harvey ES, de Kikuchi RKP, Giarrizzo T. Habitat-specific fish fauna responses to different management regimes in the largest coral reef complex in the South Atlantic. MARINE ENVIRONMENTAL RESEARCH 2022; 178:105661. [PMID: 35661942 DOI: 10.1016/j.marenvres.2022.105661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 05/12/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
While marine protected areas (MPAs) are increasing worldwide, it is still needed to assess the effectiveness of those already consolidated. Methods and ecological assessments to understanding integrated and habitat-specific management regimes are still scarce and insufficient for policy implications and biodiversity conservation. Through Baited Remote Underwater Video (BRUV), we used fish assemblages as proxy of ecological and managerial status in two reef habitat types along three protection levels at Abrolhos Bank - the largest and most biodiverse coral reef complex of the South Atlantic. We found completely distinct responses in the fish fauna between the top (shallow) and bottom (deep) habitats of the unique "chapeirões" pinnacle reef formations. In the most protected zone (no-take), higher richness and abundance of commercial fish and more diverse trophic structure was observed. Particularly, large (sharks and groupers) and small carnivores (snappers) were more abundant and distributed more homogeneously over both reef habitats in the strictly enforced no-take zone. Abundance of these top-predators decreased from the low enforcement no-take zone to the multiple use area, where they were often absent while their typical preys (primary and secondary consumers) were thriving, notably in the top habitats. These outcomes highlight the importance to focus investigations not selectively on a single habitat type or depth zone in order to properly assess MPA effectiveness. Consequently, the monitoring and protection of fish species supported by marine spatial planning may benefit from an improved understanding of ecological functioning provided by MPA performance.
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Affiliation(s)
- Kurt Schmid
- Universidade Federal do Pará (UFPA), Grupo de Ecologia Aquática, Belém, Pará State, Brazil
| | - José Amorim Reis-Filho
- Universidade Federal da Bahia (UFBA), Programa de Pós Graduação em Ecologia aplicada a Gestão Ambiental, Bahia State, Brazil; ICHTUS Ambiente & Sociedade, 41830-600, Bahia State, Brazil.
| | - Miguel Loiola
- Universidade Federal da Bahia (UFBA), Bioinformatics and Microbial Ecology Laboratory (BIOME), Salvador, Bahia State, Brazil
| | - Euan Sinclair Harvey
- School of Molecular and Life Sciences, Curtin University, Perth, Western Australia, Australia
| | - Ruy Kenji Papa de Kikuchi
- Universidade Federal da Bahia (UFBA), Department of Oceanography, Coral Reef and Global Climate Change Research Group, Salvador, Bahia State, Brazil
| | - Tommaso Giarrizzo
- Universidade Federal do Pará (UFPA), Grupo de Ecologia Aquática, Belém, Pará State, Brazil; Instituto de Ciências do Mar (LABOMAR), Universidade Federal do Ceará (UFC), Fortaleza, Ceará State, Brazil
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Condini MV, Pichler HA, de Oliveira-Filho RR, Cattani AP, Andrades R, Vilar CC, Joyeux JC, Soeth M, De Biasi JB, Eggertsen L, Dias R, Hackradt CW, Félix-Hackradt FC, Chiquieri J, Garcia AM, Hostim-Silva M. Marine fish assemblages of Eastern Brazil: An update after the world's largest mining disaster and suggestions of functional groups for biomonitoring long-lasting effects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 807:150987. [PMID: 34656604 DOI: 10.1016/j.scitotenv.2021.150987] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 10/06/2021] [Accepted: 10/11/2021] [Indexed: 06/13/2023]
Abstract
When the Fundão dam collapsed in Brazil, 50 million m3 of iron ore tailings were released into the Doce river, resulting in the world's largest mining disaster. The contaminated mud was transported 668 km downstream of the Doce river and reached the Atlantic Ocean 17 days after the collapse. Seven months later, there was evidence that the tailings had reached the largest and richest coral reef formation in the South Atlantic Ocean. This study provides the first description of species composition, abundance, and diversity patterns of fish assemblages in estuaries, coastal areas, and coral reefs affected by the rupture of the mining dam in the Doce river. A linear mixed model (GLMM) was used to evaluate the influence of salinity on fish abundance across estuarine and coastal ecosystems. In addition, based on functional traits related to habitat use and feeding habits, this study identified fish species suitable as bioindicators of the long-lasting effects of this major mining disaster. Bottom trawls were used to sample five estuaries and their respective coastal areas, and a visual census was employed to sample five reef areas, representing an impact gradient. A total of 269 species were recorded in all three habitats, but only seven were shared among them. The results showed lower similarity in assemblages among estuarine areas compared to the coastal and reef areas. Species composition among estuaries and reef ecosystems was more heterogeneous. In contrast, coastal habitats exhibited high homogeneity. Salinity had no statistically significant effect on fish abundance either in estuaries (p = 0.22) and along the coast (p = 0.14). Twelve fish species were identified as suitable bioindicators for evaluating the long-lasting effects of resuspension of contaminated sediments. These species are commonly found in the ecosystems under the influence of the disaster inhabiting potentially contaminated substrates and substrate-associated benthic preys.
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Affiliation(s)
- Mario Vinicius Condini
- Laboratório de Ecologia de Peixes Marinhos LEPMAR, Departamento de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, CEUNES, BR-101, km 60 Litorâneo, CEP: 29932-540 São Mateus, ES, Brazil; Programa de Pós-Graduação em Oceanografia Ambiental (PPGOAM), Universidade Federal do Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, CEP: 29055-460 Vitória, ES, Brazil.
| | - Helen Audrey Pichler
- Laboratório de Ecologia de Peixes Marinhos LEPMAR, Departamento de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, CEUNES, BR-101, km 60 Litorâneo, CEP: 29932-540 São Mateus, ES, Brazil
| | - Ronaldo Ruy de Oliveira-Filho
- Laboratório de Ecologia de Peixes Marinhos LEPMAR, Departamento de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, CEUNES, BR-101, km 60 Litorâneo, CEP: 29932-540 São Mateus, ES, Brazil
| | - André Pereira Cattani
- Centro de Estudos do Mar, Universidade Federal do Paraná, Av. Beira-mar s/n, CEP: 83255-000 Pontal do Paraná, PR, Brazil
| | - Ryan Andrades
- Laboratório de Ictiologia, Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, CEP: 29075-910 Vitória, ES, Brazil
| | - Ciro Colodetti Vilar
- Laboratório de Ictiologia, Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, CEP: 29075-910 Vitória, ES, Brazil
| | - Jean-Christophe Joyeux
- Laboratório de Ictiologia, Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, CEP: 29075-910 Vitória, ES, Brazil
| | - Marcelo Soeth
- Laboratório de Ecologia de Peixes Marinhos LEPMAR, Departamento de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, CEUNES, BR-101, km 60 Litorâneo, CEP: 29932-540 São Mateus, ES, Brazil
| | - Juliana Beltramin De Biasi
- Marine Ecology and Conservation Lab., Centre of Environmental Science, Universidade Federal do Sul da Bahia, Rod Joel Maers BR 367, km 10, CEP: 45810-000 Porto Seguro, Bahia, Brazil
| | - Linda Eggertsen
- Marine Ecology and Conservation Lab., Centre of Environmental Science, Universidade Federal do Sul da Bahia, Rod Joel Maers BR 367, km 10, CEP: 45810-000 Porto Seguro, Bahia, Brazil
| | - Ricardo Dias
- Marine Ecology and Conservation Lab., Centre of Environmental Science, Universidade Federal do Sul da Bahia, Rod Joel Maers BR 367, km 10, CEP: 45810-000 Porto Seguro, Bahia, Brazil
| | - Carlos Werner Hackradt
- Marine Ecology and Conservation Lab., Centre of Environmental Science, Universidade Federal do Sul da Bahia, Rod Joel Maers BR 367, km 10, CEP: 45810-000 Porto Seguro, Bahia, Brazil
| | - Fabiana Cézar Félix-Hackradt
- Marine Ecology and Conservation Lab., Centre of Environmental Science, Universidade Federal do Sul da Bahia, Rod Joel Maers BR 367, km 10, CEP: 45810-000 Porto Seguro, Bahia, Brazil
| | - Julien Chiquieri
- Laboratório de Ecologia de Peixes Marinhos LEPMAR, Departamento de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, CEUNES, BR-101, km 60 Litorâneo, CEP: 29932-540 São Mateus, ES, Brazil
| | - Alexandre Miranda Garcia
- Laboratório de Ictiologia, Instituto de Oceanografia, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Maurício Hostim-Silva
- Laboratório de Ecologia de Peixes Marinhos LEPMAR, Departamento de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, CEUNES, BR-101, km 60 Litorâneo, CEP: 29932-540 São Mateus, ES, Brazil; Programa de Pós-Graduação em Oceanografia Ambiental (PPGOAM), Universidade Federal do Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, CEP: 29055-460 Vitória, ES, Brazil; Programa de Pós-Graduação em Biologia Animal (PPGBAN), Departamento de Ciências Biológicas, Universidade Federal do Espírito Santo, ES, Brazil
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Coral distribution and bleaching vulnerability areas in Southwestern Atlantic under ocean warming. Sci Rep 2021; 11:12833. [PMID: 34172760 PMCID: PMC8233347 DOI: 10.1038/s41598-021-92202-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 06/07/2021] [Indexed: 02/05/2023] Open
Abstract
Global climate change is a major threat to reefs by increasing the frequency and severity of coral bleaching events over time, reducing coral cover and diversity. Ocean warming may cause shifts in coral communities by increasing temperatures above coral's upper thermal limits in tropical regions, and by making extratropical regions (marginal reefs) more suitable and potential refugia. We used Bayesian models to project coral occurrence, cover and bleaching probabilities in Southwestern Atlantic and predicted how these probabilities will change under a high-emission scenario (RCP8.5). By overlapping these projections, we categorized areas that combine high probabilities of coral occurrence, cover and bleaching as vulnerability-hotspots. Current coral occurrence and cover probabilities were higher in the tropics (1°S-20°S) but both will decrease and shift to new suitable extratropical reefs (20°S-27°S; tropicalization) with ocean warming. Over 90% of the area present low and mild vulnerability, while the vulnerability-hotspots represent ~ 3% under current and future scenarios, but include the most biodiverse reef complex in South Atlantic (13°S-18°S; Abrolhos Bank). As bleaching probabilities increase with warming, the least vulnerable areas that could act as potential refugia are predicted to reduce by 50%. Predicting potential refugia and highly vulnerable areas can inform conservation actions to face climate change.
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da Silva Fonseca J, Zebral YD, Bianchini A. Metabolic status of the coral Mussismilia harttii in field conditions and the effects of copper exposure in vitro. Comp Biochem Physiol C Toxicol Pharmacol 2021; 240:108924. [PMID: 33122134 DOI: 10.1016/j.cbpc.2020.108924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 10/18/2020] [Accepted: 10/22/2020] [Indexed: 12/23/2022]
Abstract
It is widely known that metals can alter enzyme functioning, however, little is known about the mechanisms of metal toxicity in energy metabolism enzymes of corals. Thus, the present study had two objectives: firstly, we evaluated the activity of eight metabolic enzymes of the coral Mussismilia harttii to clarify metabolic functioning under field conditions. After that, we investigated the in vitro effect of copper (Cu) exposure in the activity of an enzyme representative of each metabolism stage. We evaluated enzymes involved in glycolysis (hexokinase, HK; phosphofructokinase, PFK; pyruvate kinase, PK and lactate dehydrogenase, LDH), Krebs cycle (citrate synthase, CS and isocitrate dehydrogenase, IDH), electron transport chain (electron transport system activity, ETS) and pentose phosphate pathway (glucose-6-phosphate dehydrogenase, G6PDH). The in vitro tests were performed through contamination of the reaction medium using Cu concentrations of 0, 1.4, 3.7 and 14.2 μg L-1. The results showed that M. harttii has elevated activity of HK, PK and CS in field conditions compared to the activity of other energy metabolism enzymes evaluated. Moreover, lower activities of LDH and ETS in exposed samples were observed. In conclusion, in field conditions this species has elevated aerobic metabolism and glucose may be an important energetic fuel. Also, exposure to Cu in vitro caused inhibition of LDH and ETS by direct binding.
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Affiliation(s)
- Juliana da Silva Fonseca
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Rio Grande, RS 96203-900, Brazil
| | - Yuri Dornelles Zebral
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Rio Grande, RS 96203-900, Brazil
| | - Adalto Bianchini
- Instituto Coral Vivo, Rua dos Coqueiros, Parque Yaya, Santa Cruz Cabrália, BA 45807-000, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Rio Grande, RS 96203-900, Brazil.
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8
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Pereira PHC, Côrtes LGF, Lima GV, Gomes E, Pontes AVF, Mattos F, Araújo ME, Ferreira-Junior F, Sampaio CLS. Reef fishes biodiversity and conservation at the largest Brazilian coastal Marine Protected Area (MPA Costa dos Corais). NEOTROPICAL ICHTHYOLOGY 2021. [DOI: 10.1590/1982-0224-2021-0071] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Abstract Coral reefs harbor one of the largest fish biodiversity on earth; yet information on reef fishes is still absent for many regions. We analyzed reef fish richness, distribution, and conservation on the largest Brazilian multiple use coastal MPA; which cover a large extent of coral reefs at the SWA. A total of 325 fish species have been listed for MPA Costa dos Corais, including Chondrichthyes (28 species) and Actinopterygii (297). Fish species were represented by 81 families and the most representative families were Carangidae (23 species), Labridae (21) and Gobiidae (15). The MPA fish richness represented 44% of all recorded fish species of the Southwestern Atlantic Ocean (SWA) highlighting the large-scale importance of this MPA. A total of 40 species (12%) are registered at Near Threatened (NT), Vulnerable (VU), Endangered (EN) or Critically Endangered (CR). This study reinforces the importance of MPA Costa dos Corais on reef fish biodiversity and conservation and emphasize the urgent need of conservation strategies.
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Affiliation(s)
| | - Luís G. F. Côrtes
- Projeto Conservação Recifal, Brazil; Universidade Federal de Pernambuco, Brazil
| | | | - Erandy Gomes
- Projeto Conservação Recifal, Brazil; Universidade Federal de Pernambuco, Brazil; Universidade Federal de Pernambuco, Brazil
| | | | | | - Maria E. Araújo
- Universidade Federal de Pernambuco, Brazil; Universidade Federal de Pernambuco, Brazil
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9
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Araújo MED, Mattos FMGD, Melo FPLD, Chaves LDCT, Feitosa CV, Lippi DL, Félix Hackradt FC, Hackradt CW, Nunes JLS, Leão ZMDAN, Kikuchi RKPD, Ferreira Junior AV, Pereira PHC, Macedo CHR, Sampaio CLS, Feitosa JLL. Diversity patterns of reef fish along the Brazilian tropical coast. MARINE ENVIRONMENTAL RESEARCH 2020; 160:105038. [PMID: 32836143 DOI: 10.1016/j.marenvres.2020.105038] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 05/26/2020] [Accepted: 06/01/2020] [Indexed: 06/11/2023]
Abstract
Causal mechanisms for broad-scale reef fish diversity patterns are poorly understood and current knowledge is limited to trends of species richness. This work compared the effects of ecological drivers on components of fish diversity across reefs spanning over 2.000 km of the tropical Brazilian coastline. A quarter of communities' diversity is accountable to common and dominant species, while remaining species are rare. Low-latitude sites were more diverse in rare species. Communities along the coast share common and dominant species, which display high densities across all reefs, but differ in rare species that show abundance peaks in particular reef morphotypes. The disproportionate distribution of rare species reveals a higher vulnerability of these communities to impacts and stochastic density fluctuations. Uneven conservation efforts directed to these morphotypes pose a threat to the maintenance of a paramount component of the reef fish diversity represented by rare species.
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Affiliation(s)
- Maria Elisabeth de Araújo
- Universidade Federal de Pernambuco - Departamento de Oceanografia, Av. da Arquitetura s/n, Recife, PE, 50740-540, Brazil; Grupo de Ictiologia Marinha Tropical (IMAT), Research Group, Brazil
| | - Felipe Monteiro Gomes de Mattos
- Grupo de Ictiologia Marinha Tropical (IMAT), Research Group, Brazil; Ramkhamhaeng University, Marine Biodiversity Research Group, Ramkhamhaeng Road, Huamark, Bangkok, 10240, Thailand
| | - Felipe Pimentel Lopes de Melo
- Universidade Federal de Pernambuco - Departamento de Botânica, Av. Professor Moraes Rego s/n, Recife, PE, 50670-420, Brazil
| | - Lais de Carvalho Teixeira Chaves
- Grupo de Ictiologia Marinha Tropical (IMAT), Research Group, Brazil; Council of the Haida Nation - Marine Planning Program, Box 98, Queen Charlotte, BC, V0T 1S0, Canada
| | - Caroline Vieira Feitosa
- Grupo de Ictiologia Marinha Tropical (IMAT), Research Group, Brazil; Universidade Federal do Ceará - Instituto de Ciências do Mar, Av. da Abolição, 3207, Fortaleza, CE, 60165-081, Brazil
| | - Daniel Lino Lippi
- Universidade Federal de Pernambuco - Departamento de Oceanografia, Av. da Arquitetura s/n, Recife, PE, 50740-540, Brazil; Grupo de Ictiologia Marinha Tropical (IMAT), Research Group, Brazil
| | - Fabiana Cézar Félix Hackradt
- Universidade Federal do Sul da Bahia - Centro de Formação em Ciências Ambientais, Rodovia Joel Mares, BR 367, Km 10, s/n, Porto Seguro, BA, 458010-000, Brazil
| | - Carlos Werner Hackradt
- Universidade Federal do Sul da Bahia - Centro de Formação em Ciências Ambientais, Rodovia Joel Mares, BR 367, Km 10, s/n, Porto Seguro, BA, 458010-000, Brazil
| | - Jorge Luiz Silva Nunes
- Grupo de Ictiologia Marinha Tropical (IMAT), Research Group, Brazil; Universidade Federal do Maranhão - Departamento de Oceanografia e Limnologia, Av. dos Portugueses, 1966, São Luís, MA, 65080-805, Brazil
| | | | - Ruy Kenji Papa de Kikuchi
- Universidade Federal da Bahia - Instituto de Geociências, R. Barão de Jeremoabo, s/n - Ondina, Salvador, BA, 40170-290, Brazil
| | | | | | | | - Cláudio Luis Santos Sampaio
- Universidade Federal de Alagoas - Unidade Educacional Penedo, Av. Beira Rio, s/n - Centro, Penedo, AL, 57200-000, Brazil
| | - João Lucas Leão Feitosa
- Grupo de Ictiologia Marinha Tropical (IMAT), Research Group, Brazil; Universidade Federal de Pernambuco - Departamento de Zoologia, Av. Professor Moraes Rego s/n, Recife, PE, 50670-420, Brazil.
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10
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Coimbra KTO, Alcântara E, de Souza Filho CR. Possible contamination of the Abrolhos reefs by Fundao dam tailings, Brazil - New constraints based on satellite data. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 733:138101. [PMID: 32446043 DOI: 10.1016/j.scitotenv.2020.138101] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 03/19/2020] [Accepted: 03/20/2020] [Indexed: 06/11/2023]
Abstract
The Fundão dam, located in Mariana city, Minas Gerais State, southeastern Brazil, collapsed in November 2015, causing the discharge of over 50 million m3 of iron ore tailings in the Doce river basin. The mud generated by the disaster was composed of fine particulates (silt and clay), which are more sensitive to wind dispersion. Based on laboratory analyses and hydrodynamic modeling, early research postulates the hypothesis that the mud discharged in the ocean traveled 10,000 km up north and may have reached the Abrolhos coral reefs. This research aims to investigate further this hypothesis based on broad-scale remotely sensed data. Satellite images were used to estimate the suspended particulate matter (SPM) in the coastal zone before, during, and after the dam collapse. Results indicate that higher concentrations of SPM appeared during and post-collapse and were restricted to the coastal zone and its shallower regions, including beaches. However, we demonstrate that under exceptional circumstances the wind blew to the north, carrying fine particulate material and potentially-toxic metals derived from the iron ore tailings towards the northeastern Brazilian coastline and possibly the reefs of the Abrolhos Bank.
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Affiliation(s)
| | - Enner Alcântara
- Institute of Science and Technology, São Paulo State University, Sao Jose dos Campos, Sao Paulo, Brazil
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11
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Francini-Filho RB, Cordeiro MC, Omachi CY, Rocha AM, Bahiense L, Garcia GD, Tschoeke D, de Almeida MG, Rangel TP, De Oliveira BCV, de Almeida DQR, Menezes R, Mazzei EF, Joyeux JC, Rezende CE, Thompson CC, Thompson FL. Remote sensing, isotopic composition and metagenomics analyses revealed Doce River ore plume reached the southern Abrolhos Bank Reefs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 697:134038. [PMID: 32380596 DOI: 10.1016/j.scitotenv.2019.134038] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 08/17/2019] [Accepted: 08/20/2019] [Indexed: 06/11/2023]
Abstract
On November 5th, 2015, the Fundão dam rupture released >50 million m3 of ore tailings into the Doce River, Minas Gerais State, Brazil. The huge volume of mud spread along the river and reached the sea, 17 days after the disaster, in Regência, Espírito Santo State (ES). In 2018, after three years of the disaster, the impacts of the ore tailings in the marine environment are still unclear. This study aims to investigate possible short-term impacts in marine biodiversity caused by the ore tailings' mud over the reef ecosystems that are closest to the disaster area: i.e. recently discovered reefs in the southern Abrolhos Bank. A remote sensing surveillance including winds, sea surface temperature, total suspended material and watercolor (MODIS Aqua data) indicated that the iron tailings plume reached the southern portion of Abrolhos Bank on June 16th, 2016. Subsequently, to obtain further evidence of the presence of the tailings in the coral reefs, water samples were collected in a gradient spanning from the river estuary to the reefs in southern Abrolhos Bank, we also analyzed the isotopic and microbial composition of the samples, as well as the reef benthic composition. Despite no clues of negative impact on benthic (coral) communities, isotopic analysis confirmed the presence of the plume over the reefs area. This study serves as a baseline for future long-term impact assessments of the health of coral reefs in the Abrolhos Bank.
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Affiliation(s)
- Ronaldo B Francini-Filho
- Departamento de Engenharia e Meio Ambiente, Universidade Federal da Paraíba, Rio Tinto, Paraíba, Brazil
| | - Marcelle C Cordeiro
- Núcleo Professor Rogerio Valle de Produção Sustentável-SAGE/COPPE, Centro de Gestão Tecnológica-CT2, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - Claudia Y Omachi
- Instituto de Biologia, CCS, Laboratório de Microbiologia, Anexo ao Bloco A, Universidade Federal do Rio de Janeiro, Ilha do Fundão, Rio de Janeiro 21941-902, Brazil
| | - André M Rocha
- Systems Engineering and Computer Science Program at COPPE/UFRJ (Brazil), Avenida Horácio Macedo 2030, Centro de Tecnologia, Bloco H, sala 319, Cidade Universitária, Rio de Janeiro, RJ 21941-914, Brazil
| | - Laura Bahiense
- Systems Engineering and Computer Science Program at COPPE/UFRJ (Brazil), Avenida Horácio Macedo 2030, Centro de Tecnologia, Bloco H, sala 319, Cidade Universitária, Rio de Janeiro, RJ 21941-914, Brazil
| | - Gizele D Garcia
- Núcleo Professor Rogerio Valle de Produção Sustentável-SAGE/COPPE, Centro de Gestão Tecnológica-CT2, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil; Instituto de Biologia, CCS, Laboratório de Microbiologia, Anexo ao Bloco A, Universidade Federal do Rio de Janeiro, Ilha do Fundão, Rio de Janeiro 21941-902, Brazil
| | - Diogo Tschoeke
- Núcleo Professor Rogerio Valle de Produção Sustentável-SAGE/COPPE, Centro de Gestão Tecnológica-CT2, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil; Instituto de Biologia, CCS, Laboratório de Microbiologia, Anexo ao Bloco A, Universidade Federal do Rio de Janeiro, Ilha do Fundão, Rio de Janeiro 21941-902, Brazil
| | - Marcelo G de Almeida
- Laboratório de Ciências Ambientais, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense, Av. Alberto Lamego 2000, 28015-620 Campos dos Goytacazes, RJ, Brazil
| | - Thiago P Rangel
- Laboratório de Ciências Ambientais, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense, Av. Alberto Lamego 2000, 28015-620 Campos dos Goytacazes, RJ, Brazil
| | - Braulio Cherene Vaz De Oliveira
- Laboratório de Ciências Ambientais, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense, Av. Alberto Lamego 2000, 28015-620 Campos dos Goytacazes, RJ, Brazil
| | - Diogo Q R de Almeida
- Laboratório de Ciências Ambientais, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense, Av. Alberto Lamego 2000, 28015-620 Campos dos Goytacazes, RJ, Brazil
| | - Rafael Menezes
- Laboratório de Ictiologia, Programa de Pós-Graduação em Ciências Biológicas (Zoologia), Universidade Federal da Paraíba, Cidade Universitária, João Pessoa, PB, Brazil
| | | | - Jean-Christophe Joyeux
- Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Vitória, ES, Brazil
| | - Carlos E Rezende
- Laboratório de Ciências Ambientais, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense, Av. Alberto Lamego 2000, 28015-620 Campos dos Goytacazes, RJ, Brazil
| | - Cristiane C Thompson
- Núcleo Professor Rogerio Valle de Produção Sustentável-SAGE/COPPE, Centro de Gestão Tecnológica-CT2, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil; Instituto de Biologia, CCS, Laboratório de Microbiologia, Anexo ao Bloco A, Universidade Federal do Rio de Janeiro, Ilha do Fundão, Rio de Janeiro 21941-902, Brazil
| | - Fabiano L Thompson
- Núcleo Professor Rogerio Valle de Produção Sustentável-SAGE/COPPE, Centro de Gestão Tecnológica-CT2, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil; Instituto de Biologia, CCS, Laboratório de Microbiologia, Anexo ao Bloco A, Universidade Federal do Rio de Janeiro, Ilha do Fundão, Rio de Janeiro 21941-902, Brazil.
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12
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da Silva Fonseca J, de Barros Marangoni LF, Marques JA, Bianchini A. Energy metabolism enzymes inhibition by the combined effects of increasing temperature and copper exposure in the coral Mussismilia harttii. CHEMOSPHERE 2019; 236:124420. [PMID: 31545208 DOI: 10.1016/j.chemosphere.2019.124420] [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: 05/31/2019] [Revised: 07/18/2019] [Accepted: 07/19/2019] [Indexed: 06/10/2023]
Abstract
The combined effects of exposure to increasing temperature and copper (Cu) concentrations were evaluated in the zooxanthellate scleractinian coral Mussismilia harttii. Endpoints analyzed included activity of enzymes involved in glycolysis (pyruvate kinase, PK; lactate dehydrogenase, LDH), Krebs cycle (citrate synthase, CS; isocitrate dehydrogenase; IDH), electron transport chain (electron transport system, ETS) and pentose phosphate pathway (glucose-6-phosphate dehydrogenase, G6PDH). Coral polyps were kept under control conditions (25.0 ± 0.1 °C; 2.9 ± 0.7 μg/L Cu) or exposed to combined treatments of increasing temperature (26.6 ± 0.1 °C and 27.3 ± 0.1 °C) and concentrations of dissolved Cu (5.4 ± 0.9 and 8.6 ± 0.3 μg/L) for 4 and 12 days using a mesocosm system. PK activity was not affected by stressors. LDH, CS, IDH, ETS and G6PDH activities were temporally inhibited by stressors alone. CS, ETS and G6PDH activities remained inhibited by the combination of stressors after 12 days. Furthermore, all combinations between increasing temperature and exposure Cu were synergistic after prolonged exposure. Taken together, stressors applied alone led to temporary inhibitory effects on energy metabolism enzymes of the coral M. harttii, however, prolonged exposure reveals strong deleterious effects over the metabolism of corals due to the combination of stressors. The present study is the first one to give insights into the combined effects of increasing temperature and Cu exposure in the energy metabolism enzymes of a scleractinian coral. Findings suggest that moderate Cu contamination in future increasing temperature scenarios can be worrying for aerobic and oxidative metabolism of M. harttii.
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Affiliation(s)
- Juliana da Silva Fonseca
- Programa de Pós-Graduação em Ciências Fisiológicas. Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Laura Fernandes de Barros Marangoni
- Programa de Pós-Graduação em Oceanografia Biológica, Instituto de Oceanografia, Universidade Federal do Rio Grande, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil; Instituto Coral Vivo, Rua dos Coqueiros, Parque Yaya, Santa Cruz Cabrália, BA, 45807-000, Brazil
| | - Joseane Aparecida Marques
- Programa de Pós-Graduação em Oceanografia Biológica, Instituto de Oceanografia, Universidade Federal do Rio Grande, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil; Instituto Coral Vivo, Rua dos Coqueiros, Parque Yaya, Santa Cruz Cabrália, BA, 45807-000, Brazil
| | - Adalto Bianchini
- Instituto Coral Vivo, Rua dos Coqueiros, Parque Yaya, Santa Cruz Cabrália, BA, 45807-000, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália, Km 8, Rio Grande, RS, 96203-900, Brazil.
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13
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de Oliveira UDR, Gomes PB, Silva Cordeiro RT, de Lima GV, Pérez CD. Modeling impacts of climate change on the potential habitat of an endangered Brazilian endemic coral: Discussion about deep sea refugia. PLoS One 2019; 14:e0211171. [PMID: 31112555 PMCID: PMC6529159 DOI: 10.1371/journal.pone.0211171] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Accepted: 05/03/2019] [Indexed: 11/24/2022] Open
Abstract
Climate and environmental conditions are determinant for coral distribution and their very existence. When changes in such conditions occur, their effects on distribution can be predicted through species distribution models, anticipating suitable habitats for the subsistence of species. Mussismilia harttii is one of the most endangered Brazilian endemic reef-building corals, and in increasing risk of extinction. Herein, species distribution models were used to determine the present and future potential habitats for M. harttii. Estimations were made through the maximum entropy approach, predicting suitable habitat losses and gains by the end of the 21st century. For this purpose, species records published in the last 20 years and current and future environmental variables were correlated. The best models were chosen according to the Akaike information criterion (AIC) and evaluated through the partial ROC (AUCratio), a new approach which uses independent occurrence data. Both approaches showed that the models performed satisfactorily in predicting potential habitat areas for the species. Future projections were made using the International Panel on Climate Change (IPCC) scenarios for 2100, with different levels of greenhouse gas emission. Representative Concentration Pathways (RCPs) were used to model the Future Potential Habitat (FPH) of M. harttii in two different scenarios: stabilization of emissions (RCP 4.5) and increase of emissions (RCP 8.5). According to the results, shallow waters to the south of the study area concentrate most of the current potential habitats for the species. However, in future scenarios, there was a loss of suitable areas in relation to the Current Potential Habitat (RCP 4.5 46% and RCP 8.5 59%), whereas there is a southward shift of the suitable areas. In all scenarios of FPH, the temperature was the variable with the greatest contribution to the models (> 35%), followed by the current velocity (> 33%) and bathymetry (>29%). In contrast, there is an increase of deep (50-75 m) suitable areas FPH scenarios, mainly in the southern portion of its distribution, at Abrolhos Bank (off Espirito Santo State). These deeper sites might serve as refugia for the species in global warming scenarios. Coral communities at such depths would be less susceptible to impacts of climate change on temperature and salinity. However, the deep sea is not free from human impacts and measures to protect deeper ecosystems should be prioritized in environmental policies for Brazilian marine conservation, especially the Abrolhos Bank, due to its importance for M. harttii.
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Affiliation(s)
| | - Paula Braga Gomes
- Programa de Pós-Graduação em Ecologia, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
- Programa de Pós-Graduação em Biologia Animal, Universidade Federal de Pernambuco, Recife, PE, Brazil
- Departamento de Biologia, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | | | - Gislaine Vanessa de Lima
- Programa de Pós-Graduação em Biologia Animal, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - Carlos Daniel Pérez
- Programa de Pós-Graduação em Ecologia, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
- Programa de Pós-Graduação em Biologia Animal, Universidade Federal de Pernambuco, Recife, PE, Brazil
- Centro Acadêmico de Vitória, Universidade Federal de Pernambuco, Vitória de Santo Antão, PE, Brazil
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14
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Tedesco EC, Calderon EN, Seoane JCS, Moraes LE, Lopes LS, Da Silva NRS, Schiavetti A. Coral reef benthic assemblages of a Marine Protected Area in eastern Brazil: effect of reef habitats on the spatial pattern of species. J NAT HIST 2018. [DOI: 10.1080/00222933.2018.1552332] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Erik Costa Tedesco
- Laboratório de Etnoconservação e Áreas Protegidas, Departamento de Ciências Agrárias e Ambientais, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
- Instituto Coral Vivo, Santa Cruz Cabrália, Brazil
- Programa de Pós-Graduação em Ecologia e Conservação da Biodiversidade, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | - Emiliano Nicolas Calderon
- Instituto Coral Vivo, Santa Cruz Cabrália, Brazil
- Programa de Pós-Graduação em Ciências Ambientais e Conservação, Núcleo em Ecologia e Desenvolvimento Socioambiental de Macaé, Universidade Federal do Rio de Janeiro, Macaé, Brazil
| | - José Carlos Sícoli Seoane
- Instituto Coral Vivo, Santa Cruz Cabrália, Brazil
- Instituto de Geociências, Departamento de Geologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | | | - Alexandre Schiavetti
- Laboratório de Etnoconservação e Áreas Protegidas, Departamento de Ciências Agrárias e Ambientais, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
- Instituto Coral Vivo, Santa Cruz Cabrália, Brazil
- Centro para el Estudio de Sistemas Marinos, Centro Científico Tecnológico, Puerto Madryn, Argentina
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15
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Matthews-Cascon H, Bezerra LEA, Barroso CX, Rabay SG, Moreira AK, Rocha VP, Soares MDO. Marine benthic communities affected by the Doce River (southwestern Atlantic): Baseline before a mining disaster. MARINE POLLUTION BULLETIN 2018; 135:1000-1006. [PMID: 30300993 DOI: 10.1016/j.marpolbul.2018.08.020] [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: 06/15/2018] [Revised: 07/31/2018] [Accepted: 08/08/2018] [Indexed: 06/08/2023]
Abstract
Prior to Brazil's worst environmental disaster, caused by a mining dam collapse, we had carried out a study of the marine benthic macrofauna (11-51 m depth) under the influence of the Doce River. Our results showed significant diversity, in which mollusks, polychaetes, and crustaceans had the highest frequency, density, and abundance, represented by 162 families in summer and 173 in winter. Our results suggested that richness, abundance, and diversity increase with distance from the coast. Furthermore, with increasing distance from the coast and river mouth, in addition to increasing depth, there was a differentiation in composition and abundance. Multivariate analyses showed depth, carbonate, and organic matter as important factors that explain variations in composition and diversity across the continental shelf. The results could provide an invaluable baseline for measuring the effects on shallow and mesophotic communities of one of the largest tailings dam failures worldwide.
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Affiliation(s)
- Helena Matthews-Cascon
- Laboratório de Invertebrados Marinhos do Ceará, Departamento de Biologia, Universidade Federal do Ceará (UFC), Campus do Pici, 60.455-760 Fortaleza, Ceará, Brazil; Instituto de Ciências do Mar (LABOMAR), Universidade Federal do Ceará (UFC), Av. Abolição 3207, Meireles, 60.165-081 Fortaleza, Ceará, Brazil
| | - Luís Ernesto Arruda Bezerra
- Instituto de Ciências do Mar (LABOMAR), Universidade Federal do Ceará (UFC), Av. Abolição 3207, Meireles, 60.165-081 Fortaleza, Ceará, Brazil
| | - Cristiane Xerez Barroso
- Instituto de Ciências do Mar (LABOMAR), Universidade Federal do Ceará (UFC), Av. Abolição 3207, Meireles, 60.165-081 Fortaleza, Ceará, Brazil
| | - Soraya Guimarães Rabay
- Laboratório de Invertebrados Marinhos do Ceará, Departamento de Biologia, Universidade Federal do Ceará (UFC), Campus do Pici, 60.455-760 Fortaleza, Ceará, Brazil
| | - Ana Karla Moreira
- Laboratório de Invertebrados Marinhos do Ceará, Departamento de Biologia, Universidade Federal do Ceará (UFC), Campus do Pici, 60.455-760 Fortaleza, Ceará, Brazil
| | - Valesca Paula Rocha
- Laboratório de Invertebrados Marinhos do Ceará, Departamento de Biologia, Universidade Federal do Ceará (UFC), Campus do Pici, 60.455-760 Fortaleza, Ceará, Brazil
| | - Marcelo de Oliveira Soares
- Instituto de Ciências do Mar (LABOMAR), Universidade Federal do Ceará (UFC), Av. Abolição 3207, Meireles, 60.165-081 Fortaleza, Ceará, Brazil; Institut de Ciència i Tecnologia Ambientals (ICTA), Universitat Autònoma de Barcelona (UAB), Edifici Z, 081093 Barcelona, Spain.
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16
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Aued AW, Smith F, Quimbayo JP, Cândido DV, Longo GO, Ferreira CEL, Witman JD, Floeter SR, Segal B. Large-scale patterns of benthic marine communities in the Brazilian Province. PLoS One 2018; 13:e0198452. [PMID: 29883496 PMCID: PMC5993233 DOI: 10.1371/journal.pone.0198452] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Accepted: 05/18/2018] [Indexed: 11/19/2022] Open
Abstract
As marine ecosystems are influenced by global and regional processes, standardized information on community structure has become crucial for assessing broad-scale responses to natural and anthropogenic disturbances. Extensive biogeographic provinces, such as the Brazilian Province in the southwest Atlantic, present numerous theoretical and methodological challenges for understanding community patterns on a macroecological scale. In particular, the Brazilian Province is composed of a complex system of heterogeneous reefs and a few offshore islands, with contrasting histories and geophysical-chemical environments. Despite the large extent of the Brazilian Province (almost 8,000 kilometers), most studies of shallow benthic communities are qualitative surveys and/or have been geographically restricted. We quantified community structure of shallow reef habitats from 0° to 27°S latitude using a standard photographic quadrat technique. Percent cover data indicated that benthic communities of Brazilian reefs were dominated by algal turfs and frondose macroalgae, with low percent cover of reef-building corals. Community composition differed significantly among localities, mostly because of their macroalgal abundance, despite reef type or geographic region, with no evident latitudinal pattern. Benthic diversity was lower in the tropics, contrary to the general latitudinal diversity gradient pattern. Richness peaked at mid-latitudes, between 20°S to 23°S, where it was ~3.5-fold higher than localities with the lowest richness. This study provides the first large-scale description of benthic communities along the southwestern Atlantic, providing a baseline for macroecological comparisons and evaluation of future impacts. Moreover, the new understanding of richness distribution along Brazilian reefs will contribute to conservation planning efforts, such as management strategies and the spatial prioritization for the creation of new marine protected areas.
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Affiliation(s)
- Anaide W. Aued
- Programa de Pós-Graduação em Ecologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
- Marine Macroecology and Biogeography Lab, Departamento de Ecologia e Zoologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
- Laboratório de Ecologia de Ambientes Recifais, Departamento de Ecologia e Zoologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
- Department of Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island, United States of America
- * E-mail:
| | - Franz Smith
- Department of Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island, United States of America
| | - Juan P. Quimbayo
- Programa de Pós-Graduação em Ecologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
- Marine Macroecology and Biogeography Lab, Departamento de Ecologia e Zoologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Davi V. Cândido
- Laboratório de Ecologia de Ambientes Recifais, Departamento de Ecologia e Zoologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Guilherme O. Longo
- Marine Ecology Lab, Department of Oceanography and Limnology, Universidade Federal do Rio Grande do Norte, Natal, Brazil
| | - Carlos E. L. Ferreira
- Reef Systems Ecology and Conservation Lab, Universidade Federal Fluminense, Niterói, Rio de Janeiro, Brazil
| | - Jon D. Witman
- Department of Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island, United States of America
| | - Sergio R. Floeter
- Programa de Pós-Graduação em Ecologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
- Marine Macroecology and Biogeography Lab, Departamento de Ecologia e Zoologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Bárbara Segal
- Programa de Pós-Graduação em Ecologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
- Laboratório de Ecologia de Ambientes Recifais, Departamento de Ecologia e Zoologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
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17
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Scherner F, Bastos E, Rover T, de Medeiros Oliveira E, Almeida R, Itokazu AG, Bouzon ZL, Rörig LR, Pereira SMB, Horta PA. Halimeda jolyana (Bryopsidales, Chlorophyta) presents higher vulnerability to metal pollution at its lower temperature limits of distribution. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:11775-11786. [PMID: 29442312 DOI: 10.1007/s11356-018-1395-6] [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: 08/03/2017] [Accepted: 01/25/2018] [Indexed: 06/08/2023]
Abstract
Seaweeds living at their temperature limits of distribution are naturally exposed to physiological stressors, facing additional stress when exposed to coastal pollution. The physiological responses of seaweeds to environmental conditions combining natural and anthropogenic stressors provide important information on their vulnerability. We assessed the physiological effects and ultrastructural alterations of trace metals enrichment at concentrations observed in polluted regions within the temperature ranges of distribution of the endemic seaweed Halimeda jolyana, an important component of tropical southwestern Atlantic reefs. Biomass yield and photosynthetic performance declined substantially in samples exposed to metal, although photosynthesis recovered partially at the highest temperature when metal enrichment was ceased. Metal enrichment caused substantial ultrastructural alterations to chloroplasts regardless of temperatures. The lack of photosynthetic recovery at the lower temperatures indicates a higher vulnerability of the species at its temperature limits of distribution in the southwestern Atlantic.
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Affiliation(s)
- Fernando Scherner
- Department of Biology, Federal Rural University of Pernambuco (UFRPE), Botany Area, R. Dom Manoel de Medeiros, s/n, Dois Irmãos, Recife, PE, 52171-900, Brazil
| | - Eduardo Bastos
- Department of Botany, Federal University of Santa Catarina (UFSC), Trindade, Florianópolis, SC, 88010-970, Brazil
| | - Ticiane Rover
- Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina (UFSC), Trindade, Florianópolis, SC, 88049-900, Brazil
| | - Eliana de Medeiros Oliveira
- Central Laboratory of Electron Microscopy, Federal University of Santa Catarina (UFSC), Trindade, Florianópolis, SC, 88049-900, Brazil
| | - Rafael Almeida
- Department of Botany, Federal University of Santa Catarina (UFSC), Trindade, Florianópolis, SC, 88010-970, Brazil
| | - Ana Gabriela Itokazu
- Department of Botany, Federal University of Santa Catarina (UFSC), Trindade, Florianópolis, SC, 88010-970, Brazil
| | - Zenilda Laurita Bouzon
- Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina (UFSC), Trindade, Florianópolis, SC, 88049-900, Brazil
| | - Leonardo Rubi Rörig
- Department of Botany, Federal University of Santa Catarina (UFSC), Trindade, Florianópolis, SC, 88010-970, Brazil
| | - Sonia Maria Barreto Pereira
- Department of Biology, Federal Rural University of Pernambuco (UFRPE), Botany Area, R. Dom Manoel de Medeiros, s/n, Dois Irmãos, Recife, PE, 52171-900, Brazil
| | - Paulo Antunes Horta
- Department of Botany, Federal University of Santa Catarina (UFSC), Trindade, Florianópolis, SC, 88010-970, Brazil.
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18
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Pinheiro HT, Rocha LA, Macieira RM, Carvalho-Filho A, Anderson AB, Bender MG, Di Dario F, Ferreira CEL, Figueiredo-Filho J, Francini-Filho R, Gasparini JL, Joyeux JC, Luiz OJ, Mincarone MM, Moura RL, Nunes JDACC, Quimbayo JP, Rosa RS, Sampaio CLS, Sazima I, Simon T, Vila-Nova DA, Floeter SR. South-western Atlantic reef fishes: Zoogeographical patterns and ecological drivers reveal a secondary biodiversity centre in the Atlantic Ocean. DIVERS DISTRIB 2018. [DOI: 10.1111/ddi.12729] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Affiliation(s)
- Hudson T. Pinheiro
- California Academy of Sciences; San Francisco CA USA
- Ecology and Evolutionary Biology Department; University of California Santa Cruz; Santa Cruz CA USA
- Associação Ambiental Voz da Natureza; Vitória ES Brazil
| | - Luiz A. Rocha
- California Academy of Sciences; San Francisco CA USA
- Ecology and Evolutionary Biology Department; University of California Santa Cruz; Santa Cruz CA USA
| | - Raphael M. Macieira
- Laboratório de Ecologia Marinha; Universidade Vila Velha; Vila Velha ES Brazil
| | | | - Antônio B. Anderson
- Laboratório de Biogeografia e Macroecologia Marinha; Universidade Federal de Santa Catarina; Florianópolis SC Brazil
| | - Mariana G. Bender
- Laboratório de Biogeografia e Macroecologia Marinha; Universidade Federal de Santa Catarina; Florianópolis SC Brazil
| | - Fabio Di Dario
- Núcleo em Ecologia e Desenvolvimento Socioambiental de Macaé; Universidade Federal do Rio de Janeiro; Macaé RJ Brazil
| | | | - Jessé Figueiredo-Filho
- Centro de Ciências Exatas e da Natureza; Universidade Federal da Paraíba; João Pessoa PB Brazil
| | - Ronaldo Francini-Filho
- Departamento de Engenharia e Meio Ambiente; Universidade Federal da Paraíba; Rio Tinto PB Brazil
| | - João L. Gasparini
- Departamento de Oceanografia e Ecologia; Universidade Federal do Espírito Santo; Vitória ES Brazil
| | - Jean-Christophe Joyeux
- Departamento de Oceanografia e Ecologia; Universidade Federal do Espírito Santo; Vitória ES Brazil
| | - Osmar J. Luiz
- Department of Biological Sciences; Macquarie University; Sydney NSW Australia
- Research Institute for the Environment and Livelihoods; Charles Darwin University; Darwin NT Australia
| | - Michael M. Mincarone
- Núcleo em Ecologia e Desenvolvimento Socioambiental de Macaé; Universidade Federal do Rio de Janeiro; Macaé RJ Brazil
| | - Rodrigo L. Moura
- Instituto de Biologia and SAGE/COPPE; Universidade Federal do Rio de Janeiro; Rio de Janeiro RJ Brazil
| | | | - Juan P. Quimbayo
- Laboratório de Biogeografia e Macroecologia Marinha; Universidade Federal de Santa Catarina; Florianópolis SC Brazil
| | - Ricardo S. Rosa
- Centro de Ciências Exatas e da Natureza; Universidade Federal da Paraíba; João Pessoa PB Brazil
| | - Cláudio L. S. Sampaio
- Laboratório de Ictiologia e Conservação; Universidade Federal de Alagoas; Penedo AL Brazil
| | - Ivan Sazima
- Museu de Zoologia; Universidade Estadual de Campinas; Campinas SP Brazil
| | - Thiony Simon
- Associação Ambiental Voz da Natureza; Vitória ES Brazil
- Departamento de Oceanografia e Ecologia; Universidade Federal do Espírito Santo; Vitória ES Brazil
| | - Daniele A. Vila-Nova
- Laboratório de Biogeografia e Macroecologia Marinha; Universidade Federal de Santa Catarina; Florianópolis SC Brazil
| | - Sergio R. Floeter
- Laboratório de Biogeografia e Macroecologia Marinha; Universidade Federal de Santa Catarina; Florianópolis SC Brazil
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19
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Fonseca JDS, Marangoni LFDB, Marques JA, Bianchini A. Effects of increasing temperature alone and combined with copper exposure on biochemical and physiological parameters in the zooxanthellate scleractinian coral Mussismilia harttii. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 190:121-132. [PMID: 28709126 DOI: 10.1016/j.aquatox.2017.07.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 07/05/2017] [Accepted: 07/06/2017] [Indexed: 06/07/2023]
Abstract
Effects of increasing temperature alone and in combination with exposure to dissolved copper (Cu) were evaluated in the zooxanthellate scleractinian coral Mussismilia harttii using a marine mesocosm system. Endpoints analyzed included parameters involved in metabolism [maximum photosynthetic capacity of zooxanthellae (Fv/Fm), chlorophyll a and ATP concentrations], calcification [carbonic anhydrase (CA) and Ca2+-Mg2+-ATPase activity], and oxidative status [antioxidant capacity against peroxyl radicals (ACAP) and lipid peroxidation (LPO)]. Coral polyps were collected, acclimated and exposed to three increasing temperature conditions [25.0±0.1°C (control; average temperature of local seawater), 26.6±0.1°C and 27.3±0.1°C] using a marine mesocosm system. They were tested alone and in combination with four environmentally relevant concentrations of dissolved Cu in seawater [2.9±0.7 (control; average concentration in local seawater), 3.8±0.8, 5.4±0.9 and 8.6±0.3μg/L] for 4, 8 and 12days. Fv/Fm reduced over the experimental period with increasing temperature. Combination of increasing temperature with Cu exposure enhanced this effect. CA and Ca2+-Mg2+-ATPase activities increased up to 8days of exposure, but recovered back after 12days of experiment. Short-term exposure to increasing temperature or long-term exposure to the combination of stressors reduced LPO, suggesting the occurrence of a remodeling process in the lipid composition of biological membranes. ACAP, ATP and chlorophyll a were not significantly affected by the stressors. These findings indicate that increasing temperature combined with exposure to dissolved Cu increase susceptibility to bleaching and reduce growth in the zooxanthellate scleractinian coral M. harttii.
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Affiliation(s)
- Juliana da Silva Fonseca
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Rio Grande, RS, 96203-900, Brazil
| | - Laura Fernandes de Barros Marangoni
- Programa de Pós-Graduação em Oceanografia Biológica, Instituto de Oceanografia, Universidade Federal do Rio Grande, Avenida Itália km 8, Rio Grande, RS, 96203-900, Brazil,; Instituto Coral Vivo, Rua dos Coqueiros, Parque Yaya, Santa Cruz Cabrália, BA, 45807-000, Brazil
| | - Joseane Aparecida Marques
- Programa de Pós-Graduação em Oceanografia Biológica, Instituto de Oceanografia, Universidade Federal do Rio Grande, Avenida Itália km 8, Rio Grande, RS, 96203-900, Brazil,; Instituto Coral Vivo, Rua dos Coqueiros, Parque Yaya, Santa Cruz Cabrália, BA, 45807-000, Brazil
| | - Adalto Bianchini
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Rio Grande, RS, 96203-900, Brazil; Programa de Pós-Graduação em Oceanografia Biológica, Instituto de Oceanografia, Universidade Federal do Rio Grande, Avenida Itália km 8, Rio Grande, RS, 96203-900, Brazil,; Instituto Coral Vivo, Rua dos Coqueiros, Parque Yaya, Santa Cruz Cabrália, BA, 45807-000, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Rio Grande, RS, 96203-900, Brazil,.
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