Ocean acidification effects on pelagic community structure and food chains
Our aim is to investigate the indirect effects of ocean acidification on pelagic food webs bydetermining to which extent the variable carbon to nutrient ratio of phytoplanktonpropagates through the food chain, also investigating the bacteria associated with the differentplayers. Until now, we have f...
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ftawi:oai:epic.awi.de:23587 2024-09-15T18:27:46+00:00 Ocean acidification effects on pelagic community structure and food chains Schnell, Stefanie Krause, Evamaria Malzahn, Arne Gerdts, Gunnar Boersma, Maarten 2010 https://epic.awi.de/id/eprint/23587/ https://hdl.handle.net/10013/epic.36511 unknown Schnell, S. , Krause, E. , Malzahn, A. , Gerdts, G. orcid:0000-0003-0872-3927 and Boersma, M. orcid:0000-0003-1010-026X (2010) Ocean acidification effects on pelagic community structure and food chains , Joint EPOCA, BIOACID and UKOARP meeting, BremerhavenSeptember 2010. . hdl:10013/epic.36511 EPIC3Joint EPOCA, BIOACID and UKOARP meeting, BremerhavenSeptember 2010., 27 Conference notRev 2010 ftawi 2024-06-24T04:02:42Z Our aim is to investigate the indirect effects of ocean acidification on pelagic food webs bydetermining to which extent the variable carbon to nutrient ratio of phytoplanktonpropagates through the food chain, also investigating the bacteria associated with the differentplayers. Until now, we have focused on a model food chain comprising the nanoflagellateRhodomonas salina (prey), the copepod Arcatia tonsa (predator) and their respective bacterialcommunity.We have a closer look at the growth responses and changes in nutrient stoichiometry due toraised CO2-levels. Algae grown under high CO2 have an increased carbon to nutrient ratio intheir tissue, which results in two opposing effects on herbivorous consumers feeding on them:increased food availability comes along with decreased food quality. The extra carbon if notrespired might be metabolized by the bacterial community. Additionally, we are interestedin whether a reduction in sea water pH alone causes shifts in the bacterial communitycomposition. Conference Object Ocean acidification Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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ftawi |
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Our aim is to investigate the indirect effects of ocean acidification on pelagic food webs bydetermining to which extent the variable carbon to nutrient ratio of phytoplanktonpropagates through the food chain, also investigating the bacteria associated with the differentplayers. Until now, we have focused on a model food chain comprising the nanoflagellateRhodomonas salina (prey), the copepod Arcatia tonsa (predator) and their respective bacterialcommunity.We have a closer look at the growth responses and changes in nutrient stoichiometry due toraised CO2-levels. Algae grown under high CO2 have an increased carbon to nutrient ratio intheir tissue, which results in two opposing effects on herbivorous consumers feeding on them:increased food availability comes along with decreased food quality. The extra carbon if notrespired might be metabolized by the bacterial community. Additionally, we are interestedin whether a reduction in sea water pH alone causes shifts in the bacterial communitycomposition. |
format |
Conference Object |
author |
Schnell, Stefanie Krause, Evamaria Malzahn, Arne Gerdts, Gunnar Boersma, Maarten |
spellingShingle |
Schnell, Stefanie Krause, Evamaria Malzahn, Arne Gerdts, Gunnar Boersma, Maarten Ocean acidification effects on pelagic community structure and food chains |
author_facet |
Schnell, Stefanie Krause, Evamaria Malzahn, Arne Gerdts, Gunnar Boersma, Maarten |
author_sort |
Schnell, Stefanie |
title |
Ocean acidification effects on pelagic community structure and food chains |
title_short |
Ocean acidification effects on pelagic community structure and food chains |
title_full |
Ocean acidification effects on pelagic community structure and food chains |
title_fullStr |
Ocean acidification effects on pelagic community structure and food chains |
title_full_unstemmed |
Ocean acidification effects on pelagic community structure and food chains |
title_sort |
ocean acidification effects on pelagic community structure and food chains |
publishDate |
2010 |
url |
https://epic.awi.de/id/eprint/23587/ https://hdl.handle.net/10013/epic.36511 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
EPIC3Joint EPOCA, BIOACID and UKOARP meeting, BremerhavenSeptember 2010., 27 |
op_relation |
Schnell, S. , Krause, E. , Malzahn, A. , Gerdts, G. orcid:0000-0003-0872-3927 and Boersma, M. orcid:0000-0003-1010-026X (2010) Ocean acidification effects on pelagic community structure and food chains , Joint EPOCA, BIOACID and UKOARP meeting, BremerhavenSeptember 2010. . hdl:10013/epic.36511 |
_version_ |
1810469028721852416 |