Sensitivity of early life stages of Antarctic fishes to future ocean conditions
xatm pCOi) on survival, development, and metabolic processes during gastrulation to early segmentation. Increased temperature had a greater overall impact on survival, development, and metabolism than changes in pC0 2 levels, suggesting that temperature may be the immediate driver of change at the o...
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ftcalifstateuniv:oai:scholarworks:w95055016 2024-09-30T14:27:09+00:00 Sensitivity of early life stages of Antarctic fishes to future ocean conditions Erin Elizabeth Flynn Anne Todgham Jose de la Torre Sean Place 2014 http://hdl.handle.net/10211.3/132946 English eng San Francisco State University Science & Engineering Biology: Concentration in Integrative Biology http://hdl.handle.net/10211.3/132946 Copyright by Erin Elizabeth Flynn, 2014 AS36 2014 BIOL .F59 Masters Thesis 2014 ftcalifstateuniv 2024-09-10T17:06:16Z xatm pCOi) on survival, development, and metabolic processes during gastrulation to early segmentation. Increased temperature had a greater overall impact on survival, development, and metabolism than changes in pC0 2 levels, suggesting that temperature may be the immediate driver of change at the organismal level. However, under future warming and acidification, survival synergystically decreased, highlighting the potential for marine species to be more vulnerable to multiple changes in future oceans than currently predicted.Predicting the response of marine fish to ocean climate change has important implications for fisheries and conservation, and recent work has suggested that early life stages of fishes may be the most vulnerable. To date very little research has focused on exposure during embryogenesis, particularly with the concurrent changes in temperature and pH predicted by the end of the century. The protracted embryogenesis (-10 months) of the Antarctic dragonfish, Gymnodraco acuticeps, provides the opportunity to examine the impacts of potential synergistic stressors on embryo physiology over a fine time scale. Using an integrative, experimental approach, our research examined the impacts of near-future warming (+2°C) and ocean acidification (650 and 1000 Master Thesis Antarc* Antarctic Ocean acidification Scholarworks from California State University Antarctic The Antarctic |
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Open Polar |
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Scholarworks from California State University |
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ftcalifstateuniv |
language |
English |
description |
xatm pCOi) on survival, development, and metabolic processes during gastrulation to early segmentation. Increased temperature had a greater overall impact on survival, development, and metabolism than changes in pC0 2 levels, suggesting that temperature may be the immediate driver of change at the organismal level. However, under future warming and acidification, survival synergystically decreased, highlighting the potential for marine species to be more vulnerable to multiple changes in future oceans than currently predicted.Predicting the response of marine fish to ocean climate change has important implications for fisheries and conservation, and recent work has suggested that early life stages of fishes may be the most vulnerable. To date very little research has focused on exposure during embryogenesis, particularly with the concurrent changes in temperature and pH predicted by the end of the century. The protracted embryogenesis (-10 months) of the Antarctic dragonfish, Gymnodraco acuticeps, provides the opportunity to examine the impacts of potential synergistic stressors on embryo physiology over a fine time scale. Using an integrative, experimental approach, our research examined the impacts of near-future warming (+2°C) and ocean acidification (650 and 1000 |
author2 |
Anne Todgham Jose de la Torre Sean Place |
format |
Master Thesis |
author |
Erin Elizabeth Flynn |
spellingShingle |
Erin Elizabeth Flynn Sensitivity of early life stages of Antarctic fishes to future ocean conditions |
author_facet |
Erin Elizabeth Flynn |
author_sort |
Erin Elizabeth Flynn |
title |
Sensitivity of early life stages of Antarctic fishes to future ocean conditions |
title_short |
Sensitivity of early life stages of Antarctic fishes to future ocean conditions |
title_full |
Sensitivity of early life stages of Antarctic fishes to future ocean conditions |
title_fullStr |
Sensitivity of early life stages of Antarctic fishes to future ocean conditions |
title_full_unstemmed |
Sensitivity of early life stages of Antarctic fishes to future ocean conditions |
title_sort |
sensitivity of early life stages of antarctic fishes to future ocean conditions |
publisher |
San Francisco State University |
publishDate |
2014 |
url |
http://hdl.handle.net/10211.3/132946 |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Ocean acidification |
genre_facet |
Antarc* Antarctic Ocean acidification |
op_source |
AS36 2014 BIOL .F59 |
op_relation |
http://hdl.handle.net/10211.3/132946 |
op_rights |
Copyright by Erin Elizabeth Flynn, 2014 |
_version_ |
1811633301658533888 |