Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Odontaster validus, Patiriella regularis and Arachnoides placenta) larvae, 2011, supplement to: Gonzalez Bernat, Maria Jose (2011): Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Echinodermata) larvae. University of Otago, Department of Marine Science
Ocean acidification, as a result of increased atmospheric CO2, has the potential to adversely affect the larval stages of many marine organisms and hence have profound effects on marine ecosystems. This is the first study of its kind to investigate the effects of ocean acidification on the early lif...
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ftdatacite:10.1594/pangaea.778512 2023-05-15T13:47:07+02:00 Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Odontaster validus, Patiriella regularis and Arachnoides placenta) larvae, 2011, supplement to: Gonzalez Bernat, Maria Jose (2011): Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Echinodermata) larvae. University of Otago, Department of Marine Science Gonzalez Bernat, Maria Jose 2011 application/zip https://dx.doi.org/10.1594/pangaea.778512 https://doi.pangaea.de/10.1594/PANGAEA.778512 en eng PANGAEA - Data Publisher for Earth & Environmental Science http://otago.ourarchive.ac.nz/handle/10523/1930 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY Animalia Arachnoides placenta Benthic animals Benthos Bottles or small containers/Aquaria <20 L Coast and continental shelf Deep-sea Echinodermata Growth/Morphology Laboratory experiment Mortality/Survival Odontaster validus Patiriella regularis Polar Reproduction FOS Medical biotechnology Single species Temperate Tropical European network of excellence for Ocean Ecosystems Analysis EUR-OCEANS European Project on Ocean Acidification EPOCA article Supplementary Collection of Datasets Collection 2011 ftdatacite https://doi.org/10.1594/pangaea.778512 2022-02-09T12:07:01Z Ocean acidification, as a result of increased atmospheric CO2, has the potential to adversely affect the larval stages of many marine organisms and hence have profound effects on marine ecosystems. This is the first study of its kind to investigate the effects of ocean acidification on the early life-history stages of three echinoderms species, two asteroids and one irregular echinoid. Potential latitudinal variations on the effects of ocean acidification were also investigated by selecting a polar species (Odontaster validus), a temperate species (Patiriella regularis), and a tropical species (Arachnoides placenta). The effects of reduced seawater pH levels on the fertilization of gametes, larval survival and morphometrics on the aforementioned species were evaluated under experimental conditions. The pH levels considered for this research include ambient seawater (pH 8.1 or pH 8.2), levels predicted for 2100 (pH 7.7 and pH 7.6) and the extreme pH of 7.0, adjusted by bubbling CO2 gas into filtered seawater.Fertilization for Odontaster validus and Patiriella regularis for the predicted scenarios for 2100 was robust, whereas fertilization was significantly reduced in Arachnoides placenta. Larval survival was robust for the three species at pH 7.8, but numbers declined when pH dropped below 7.6. Normal A. placenta larvae developed in pH 7.8, whereas smaller larvae were observed for O. validus and P. regularis under the same pH treatment. Seawater pH levels below 7.6 resulted in smaller and underdeveloped larvae for all three species. The greatest effects were expected for the Antarctic asteroid O. validus but overall the tropical sand dollar A. placenta was the most affected by the reduction in seawater pH.The effects of ocean acidification on the asteroids O. validus and P. regulars, and the sand dollar A. placenta are species-specific. Several parameters, such as taxonomic differences, physiology, genetic makeup and the population's evolutionary history may have contributed to this variability. This study highlights the vulnerability of the early developmental stages and the complexity of ocean acidification. However, future research is needed to understand the effects at individual, community and ecosystem levels. Article in Journal/Newspaper Antarc* Antarctic Ocean acidification DataCite Metadata Store (German National Library of Science and Technology) Antarctic Gonzalez ENVELOPE(-58.250,-58.250,-63.917,-63.917) The Antarctic |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Animalia Arachnoides placenta Benthic animals Benthos Bottles or small containers/Aquaria <20 L Coast and continental shelf Deep-sea Echinodermata Growth/Morphology Laboratory experiment Mortality/Survival Odontaster validus Patiriella regularis Polar Reproduction FOS Medical biotechnology Single species Temperate Tropical European network of excellence for Ocean Ecosystems Analysis EUR-OCEANS European Project on Ocean Acidification EPOCA |
spellingShingle |
Animalia Arachnoides placenta Benthic animals Benthos Bottles or small containers/Aquaria <20 L Coast and continental shelf Deep-sea Echinodermata Growth/Morphology Laboratory experiment Mortality/Survival Odontaster validus Patiriella regularis Polar Reproduction FOS Medical biotechnology Single species Temperate Tropical European network of excellence for Ocean Ecosystems Analysis EUR-OCEANS European Project on Ocean Acidification EPOCA Gonzalez Bernat, Maria Jose Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Odontaster validus, Patiriella regularis and Arachnoides placenta) larvae, 2011, supplement to: Gonzalez Bernat, Maria Jose (2011): Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Echinodermata) larvae. University of Otago, Department of Marine Science |
topic_facet |
Animalia Arachnoides placenta Benthic animals Benthos Bottles or small containers/Aquaria <20 L Coast and continental shelf Deep-sea Echinodermata Growth/Morphology Laboratory experiment Mortality/Survival Odontaster validus Patiriella regularis Polar Reproduction FOS Medical biotechnology Single species Temperate Tropical European network of excellence for Ocean Ecosystems Analysis EUR-OCEANS European Project on Ocean Acidification EPOCA |
description |
Ocean acidification, as a result of increased atmospheric CO2, has the potential to adversely affect the larval stages of many marine organisms and hence have profound effects on marine ecosystems. This is the first study of its kind to investigate the effects of ocean acidification on the early life-history stages of three echinoderms species, two asteroids and one irregular echinoid. Potential latitudinal variations on the effects of ocean acidification were also investigated by selecting a polar species (Odontaster validus), a temperate species (Patiriella regularis), and a tropical species (Arachnoides placenta). The effects of reduced seawater pH levels on the fertilization of gametes, larval survival and morphometrics on the aforementioned species were evaluated under experimental conditions. The pH levels considered for this research include ambient seawater (pH 8.1 or pH 8.2), levels predicted for 2100 (pH 7.7 and pH 7.6) and the extreme pH of 7.0, adjusted by bubbling CO2 gas into filtered seawater.Fertilization for Odontaster validus and Patiriella regularis for the predicted scenarios for 2100 was robust, whereas fertilization was significantly reduced in Arachnoides placenta. Larval survival was robust for the three species at pH 7.8, but numbers declined when pH dropped below 7.6. Normal A. placenta larvae developed in pH 7.8, whereas smaller larvae were observed for O. validus and P. regularis under the same pH treatment. Seawater pH levels below 7.6 resulted in smaller and underdeveloped larvae for all three species. The greatest effects were expected for the Antarctic asteroid O. validus but overall the tropical sand dollar A. placenta was the most affected by the reduction in seawater pH.The effects of ocean acidification on the asteroids O. validus and P. regulars, and the sand dollar A. placenta are species-specific. Several parameters, such as taxonomic differences, physiology, genetic makeup and the population's evolutionary history may have contributed to this variability. This study highlights the vulnerability of the early developmental stages and the complexity of ocean acidification. However, future research is needed to understand the effects at individual, community and ecosystem levels. |
format |
Article in Journal/Newspaper |
author |
Gonzalez Bernat, Maria Jose |
author_facet |
Gonzalez Bernat, Maria Jose |
author_sort |
Gonzalez Bernat, Maria Jose |
title |
Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Odontaster validus, Patiriella regularis and Arachnoides placenta) larvae, 2011, supplement to: Gonzalez Bernat, Maria Jose (2011): Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Echinodermata) larvae. University of Otago, Department of Marine Science |
title_short |
Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Odontaster validus, Patiriella regularis and Arachnoides placenta) larvae, 2011, supplement to: Gonzalez Bernat, Maria Jose (2011): Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Echinodermata) larvae. University of Otago, Department of Marine Science |
title_full |
Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Odontaster validus, Patiriella regularis and Arachnoides placenta) larvae, 2011, supplement to: Gonzalez Bernat, Maria Jose (2011): Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Echinodermata) larvae. University of Otago, Department of Marine Science |
title_fullStr |
Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Odontaster validus, Patiriella regularis and Arachnoides placenta) larvae, 2011, supplement to: Gonzalez Bernat, Maria Jose (2011): Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Echinodermata) larvae. University of Otago, Department of Marine Science |
title_full_unstemmed |
Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Odontaster validus, Patiriella regularis and Arachnoides placenta) larvae, 2011, supplement to: Gonzalez Bernat, Maria Jose (2011): Ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (Echinodermata) larvae. University of Otago, Department of Marine Science |
title_sort |
ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (odontaster validus, patiriella regularis and arachnoides placenta) larvae, 2011, supplement to: gonzalez bernat, maria jose (2011): ocean acidification and its potential effects on the early life-history of non-calcifying and calcifying echinoderm (echinodermata) larvae. university of otago, department of marine science |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
2011 |
url |
https://dx.doi.org/10.1594/pangaea.778512 https://doi.pangaea.de/10.1594/PANGAEA.778512 |
long_lat |
ENVELOPE(-58.250,-58.250,-63.917,-63.917) |
geographic |
Antarctic Gonzalez The Antarctic |
geographic_facet |
Antarctic Gonzalez The Antarctic |
genre |
Antarc* Antarctic Ocean acidification |
genre_facet |
Antarc* Antarctic Ocean acidification |
op_relation |
http://otago.ourarchive.ac.nz/handle/10523/1930 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/pangaea.778512 |
_version_ |
1766246386529992704 |