Oysters in a Changing Ocean: Effects of acidification and warming on Olympia oyster larval swimming and growth
Anthropogenic influence and increased atmospheric CO2 are creating a myriad of changing conditions for the world’s oceans, including ocean acidification and warming. Multi-stress studies are imperative to the understanding of practical ocean conditions, as often times concurrent stressors exhibit sy...
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ftwestwashington:oai:cedar.wwu.edu:scholwk-1004 2023-05-15T17:51:20+02:00 Oysters in a Changing Ocean: Effects of acidification and warming on Olympia oyster larval swimming and growth Lawlor, Jake 2015-05-14T17:00:00Z https://cedar.wwu.edu/scholwk/2015/Day_one/5 English eng Western CEDAR https://cedar.wwu.edu/scholwk/2015/Day_one/5 Copying of this document in whole or in part is allowable only for scholarly purposes. It is understood, however, that any copying or publication of this documentation for commercial purposes, or for financial gain, shall not be allowed without the author's written permission. Scholars Week Biology text 2015 ftwestwashington 2022-09-14T05:58:31Z Anthropogenic influence and increased atmospheric CO2 are creating a myriad of changing conditions for the world’s oceans, including ocean acidification and warming. Multi-stress studies are imperative to the understanding of practical ocean conditions, as often times concurrent stressors exhibit synergistic rather than additive effects on organisms. We analyzed effects of temperature and acidification on Olympia oyster, Ostrea lurida, larval swimming behavior and growth. As the only oyster native to the northern Pacific coast of North America, this species has been in decline for the past few centuries, and has been a topic of interest for restoration in recent years. We cultured larvae at three pCO2 treatments (400ppm, representative of current atmospheric CO2 measurements, 800ppm, and 1200ppm, representative of possible predicted levels within the next century) and two temperatures (12°C and 25°C, values nearing the low and high temperature limits of the species). We used larval tracking and video analysis techniques to quantify swimming performance, and determined growth rate using digital image evaluating software. Knowing how swimming behaviors and the duration of the planktonic life cycle change with ocean warming and acidification will give us a better understanding of larval dispersal and inform restoration efforts. Text Ocean acidification Western Washington University: CEDAR (Contributing to Education through Digital Access to Research) Pacific |
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Western Washington University: CEDAR (Contributing to Education through Digital Access to Research) |
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English |
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Biology |
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Biology Lawlor, Jake Oysters in a Changing Ocean: Effects of acidification and warming on Olympia oyster larval swimming and growth |
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Biology |
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Anthropogenic influence and increased atmospheric CO2 are creating a myriad of changing conditions for the world’s oceans, including ocean acidification and warming. Multi-stress studies are imperative to the understanding of practical ocean conditions, as often times concurrent stressors exhibit synergistic rather than additive effects on organisms. We analyzed effects of temperature and acidification on Olympia oyster, Ostrea lurida, larval swimming behavior and growth. As the only oyster native to the northern Pacific coast of North America, this species has been in decline for the past few centuries, and has been a topic of interest for restoration in recent years. We cultured larvae at three pCO2 treatments (400ppm, representative of current atmospheric CO2 measurements, 800ppm, and 1200ppm, representative of possible predicted levels within the next century) and two temperatures (12°C and 25°C, values nearing the low and high temperature limits of the species). We used larval tracking and video analysis techniques to quantify swimming performance, and determined growth rate using digital image evaluating software. Knowing how swimming behaviors and the duration of the planktonic life cycle change with ocean warming and acidification will give us a better understanding of larval dispersal and inform restoration efforts. |
format |
Text |
author |
Lawlor, Jake |
author_facet |
Lawlor, Jake |
author_sort |
Lawlor, Jake |
title |
Oysters in a Changing Ocean: Effects of acidification and warming on Olympia oyster larval swimming and growth |
title_short |
Oysters in a Changing Ocean: Effects of acidification and warming on Olympia oyster larval swimming and growth |
title_full |
Oysters in a Changing Ocean: Effects of acidification and warming on Olympia oyster larval swimming and growth |
title_fullStr |
Oysters in a Changing Ocean: Effects of acidification and warming on Olympia oyster larval swimming and growth |
title_full_unstemmed |
Oysters in a Changing Ocean: Effects of acidification and warming on Olympia oyster larval swimming and growth |
title_sort |
oysters in a changing ocean: effects of acidification and warming on olympia oyster larval swimming and growth |
publisher |
Western CEDAR |
publishDate |
2015 |
url |
https://cedar.wwu.edu/scholwk/2015/Day_one/5 |
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Pacific |
geographic_facet |
Pacific |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Scholars Week |
op_relation |
https://cedar.wwu.edu/scholwk/2015/Day_one/5 |
op_rights |
Copying of this document in whole or in part is allowable only for scholarly purposes. It is understood, however, that any copying or publication of this documentation for commercial purposes, or for financial gain, shall not be allowed without the author's written permission. |
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