Comparative sensitivity of Crassostrea angulata and Crassostrea gigas embryo-larval development to As under varying salinity and temperature
Oysters are a diverse group of marine bivalves that inhabit coastal systems of the world's oceans, providing a varietyofecosystemservices,andrepresentamajorsocioeconomic resource.However,oysterreefshavebecome inevitably impacted from habitat destruction, overfishing, pollution and disease outbre...
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Online Access: | http://hdl.handle.net/10773/27413 https://doi.org/10.1016/j.marenvres.2018.06.003 |
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ftria:oai:ria.ua.pt:10773/27413 2023-05-15T15:58:22+02:00 Comparative sensitivity of Crassostrea angulata and Crassostrea gigas embryo-larval development to As under varying salinity and temperature Moreira, Anthony Figueira, Etelvina Libralato, Giovanni Soares, Amadeu M. V. M. Guida, Marco Freitas, Rosa 2018-09 http://hdl.handle.net/10773/27413 https://doi.org/10.1016/j.marenvres.2018.06.003 eng eng Elsevier info:eu-repo/grantAgreement/FCT/5876/147273/PT info:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F93107%2F2013/PT 0141-1136 http://hdl.handle.net/10773/27413 https://doi.org/10.1016/j.marenvres.2018.06.003 1879-0291 openAccess https://creativecommons.org/licenses/by/4.0/ CC-BY Climate change Development Embryotoxicity Oyster Thermohaline article 2018 ftria https://doi.org/10.1016/j.marenvres.2018.06.003 2022-05-25T18:37:57Z Oysters are a diverse group of marine bivalves that inhabit coastal systems of the world's oceans, providing a varietyofecosystemservices,andrepresentamajorsocioeconomic resource.However,oysterreefshavebecome inevitably impacted from habitat destruction, overfishing, pollution and disease outbreaks that have pushed these structures to the break of extinction. In addition, the increased frequency of climate change related events promise to further challenge oyster species survival worldwide. Oysters' early embryonic development is likely the most vulnerable stage to climate change related stressors (e.g. salinity and temperature shifts) as well as to pollutants (e.g. arsenic), and therefore can represent the most important bottleneck that define populations' survival in a changing environment. In light of this, the present study aimed to assess two important oyster species, Crassostrea angulata and Crassostrea gigas embryo-larval development, under combinations of salinity (20, 26 and 33), temperature (20, 24 and 28°C) and arsenic (As) exposure(0,30,60,120,240,480,960and1920μg.AsL−1),toinferondifferentoysterspeciescapacitytocope with these environmental stressors under the eminent threat of climate change and increase of pollution worldwide. Results showed differences in each species range of salinity and temperature for successful embryonic development. For C angulata, embryo-larval development was successful at a narrower range of both salinity and temperature, compared to C. gigas. Overall, As induced higher toxicity to C. angulata embryos, with calculated EC50 values at least an order of magnitude lower than those calculated for C. gigas. The toxicity of As (measured as median effective concentration, EC50) showed to be influenced by both salinity and temperature in both species. Nonetheless, salinity had a greater influence on embryos' sensitivity to As. This pattern was mostly noticed for C. gigas, with lower salinity inducing higher sensitivity to As. Results were discussed considering the existing literature and ... Article in Journal/Newspaper Crassostrea gigas Repositório Institucional da Universidade de Aveiro (RIA) Marine Environmental Research 140 135 144 |
institution |
Open Polar |
collection |
Repositório Institucional da Universidade de Aveiro (RIA) |
op_collection_id |
ftria |
language |
English |
topic |
Climate change Development Embryotoxicity Oyster Thermohaline |
spellingShingle |
Climate change Development Embryotoxicity Oyster Thermohaline Moreira, Anthony Figueira, Etelvina Libralato, Giovanni Soares, Amadeu M. V. M. Guida, Marco Freitas, Rosa Comparative sensitivity of Crassostrea angulata and Crassostrea gigas embryo-larval development to As under varying salinity and temperature |
topic_facet |
Climate change Development Embryotoxicity Oyster Thermohaline |
description |
Oysters are a diverse group of marine bivalves that inhabit coastal systems of the world's oceans, providing a varietyofecosystemservices,andrepresentamajorsocioeconomic resource.However,oysterreefshavebecome inevitably impacted from habitat destruction, overfishing, pollution and disease outbreaks that have pushed these structures to the break of extinction. In addition, the increased frequency of climate change related events promise to further challenge oyster species survival worldwide. Oysters' early embryonic development is likely the most vulnerable stage to climate change related stressors (e.g. salinity and temperature shifts) as well as to pollutants (e.g. arsenic), and therefore can represent the most important bottleneck that define populations' survival in a changing environment. In light of this, the present study aimed to assess two important oyster species, Crassostrea angulata and Crassostrea gigas embryo-larval development, under combinations of salinity (20, 26 and 33), temperature (20, 24 and 28°C) and arsenic (As) exposure(0,30,60,120,240,480,960and1920μg.AsL−1),toinferondifferentoysterspeciescapacitytocope with these environmental stressors under the eminent threat of climate change and increase of pollution worldwide. Results showed differences in each species range of salinity and temperature for successful embryonic development. For C angulata, embryo-larval development was successful at a narrower range of both salinity and temperature, compared to C. gigas. Overall, As induced higher toxicity to C. angulata embryos, with calculated EC50 values at least an order of magnitude lower than those calculated for C. gigas. The toxicity of As (measured as median effective concentration, EC50) showed to be influenced by both salinity and temperature in both species. Nonetheless, salinity had a greater influence on embryos' sensitivity to As. This pattern was mostly noticed for C. gigas, with lower salinity inducing higher sensitivity to As. Results were discussed considering the existing literature and ... |
format |
Article in Journal/Newspaper |
author |
Moreira, Anthony Figueira, Etelvina Libralato, Giovanni Soares, Amadeu M. V. M. Guida, Marco Freitas, Rosa |
author_facet |
Moreira, Anthony Figueira, Etelvina Libralato, Giovanni Soares, Amadeu M. V. M. Guida, Marco Freitas, Rosa |
author_sort |
Moreira, Anthony |
title |
Comparative sensitivity of Crassostrea angulata and Crassostrea gigas embryo-larval development to As under varying salinity and temperature |
title_short |
Comparative sensitivity of Crassostrea angulata and Crassostrea gigas embryo-larval development to As under varying salinity and temperature |
title_full |
Comparative sensitivity of Crassostrea angulata and Crassostrea gigas embryo-larval development to As under varying salinity and temperature |
title_fullStr |
Comparative sensitivity of Crassostrea angulata and Crassostrea gigas embryo-larval development to As under varying salinity and temperature |
title_full_unstemmed |
Comparative sensitivity of Crassostrea angulata and Crassostrea gigas embryo-larval development to As under varying salinity and temperature |
title_sort |
comparative sensitivity of crassostrea angulata and crassostrea gigas embryo-larval development to as under varying salinity and temperature |
publisher |
Elsevier |
publishDate |
2018 |
url |
http://hdl.handle.net/10773/27413 https://doi.org/10.1016/j.marenvres.2018.06.003 |
genre |
Crassostrea gigas |
genre_facet |
Crassostrea gigas |
op_relation |
info:eu-repo/grantAgreement/FCT/5876/147273/PT info:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F93107%2F2013/PT 0141-1136 http://hdl.handle.net/10773/27413 https://doi.org/10.1016/j.marenvres.2018.06.003 1879-0291 |
op_rights |
openAccess https://creativecommons.org/licenses/by/4.0/ |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1016/j.marenvres.2018.06.003 |
container_title |
Marine Environmental Research |
container_volume |
140 |
container_start_page |
135 |
op_container_end_page |
144 |
_version_ |
1766394091796430848 |