The role of microzooplankton under future ocean acidification and warming scenarios
Within the BIOACID framework, the effects of elevated CO2 levels on microzooplankton were investigated. Apart from its importance as intermediary between the microbial loop and the traditional food web, its high specific growth and feeding rates makes microzooplankton an important competitor for lar...
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ftawi:oai:epic.awi.de:35347 2023-05-15T17:50:38+02:00 The role of microzooplankton under future ocean acidification and warming scenarios Horn, Henriette Aberle-Malzahn, Nicole Löder, Martin Boersma, Maarten 2013-10-01 application/pdf https://epic.awi.de/id/eprint/35347/ https://epic.awi.de/id/eprint/35347/1/hhorn_Poster_Warnemuende_131001.pdf https://hdl.handle.net/10013/epic.43346 https://hdl.handle.net/10013/epic.43346.d001 unknown https://epic.awi.de/id/eprint/35347/1/hhorn_Poster_Warnemuende_131001.pdf https://hdl.handle.net/10013/epic.43346.d001 Horn, H. , Aberle-Malzahn, N. , Löder, M. and Boersma, M. orcid:0000-0003-1010-026X (2013) The role of microzooplankton under future ocean acidification and warming scenarios , BIOACID Phase II 1st Annual Meeting, Warnemünde, 1 October 2013 - 2 October 2013 . hdl:10013/epic.43346 EPIC3BIOACID Phase II 1st Annual Meeting, Warnemünde, 2013-10-01-2013-10-02 Conference notRev 2013 ftawi 2021-12-24T15:39:29Z Within the BIOACID framework, the effects of elevated CO2 levels on microzooplankton were investigated. Apart from its importance as intermediary between the microbial loop and the traditional food web, its high specific growth and feeding rates makes microzooplankton an important competitor for larger mesozooplankton. The ability of microzooplankton to buffer nutritional imbalances of phytoplankton for higher trophic levels will gain even more importance with the anticipated ocean acidification, as this is expected to render the phytoplankton into low quality food by changing the carbon-to-nutrient ratio in disfavour of the grazers. The microzooplankton community was analysed both during indoor and outdoor mesocosm experiments. At the KOSMOS 2013 Gullmar Fjord field campaign, different CO2 levels were applied to the eutrophic North Sea water throughout the entire spring bloom period. During the indoor mesocosm studies at the GEOMAR, different temperature and CO2 scenarios were simulated. The BIOACID Autumn 2012 and Summer 2013 experiments allowed closer insights into the dynamics and seasonality pattern of Baltic Sea plankton communities from the Kiel Bight. Within all three studies, microzooplankton species composition and abundance, biomass and size classes were investigated. Apart from regular samplings which aimed at providing insights into the succession of the natural plankton communities as a whole, modified Landry-Hassett dilution series were performed to assess microzooplankton grazing activities. By choosing the most abundant copepod species as top predator, these small-scale experiments allowed the differentiation between micro- and mesozooplankton grazing impact and to evaluate food preferences of microzooplankton. 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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Within the BIOACID framework, the effects of elevated CO2 levels on microzooplankton were investigated. Apart from its importance as intermediary between the microbial loop and the traditional food web, its high specific growth and feeding rates makes microzooplankton an important competitor for larger mesozooplankton. The ability of microzooplankton to buffer nutritional imbalances of phytoplankton for higher trophic levels will gain even more importance with the anticipated ocean acidification, as this is expected to render the phytoplankton into low quality food by changing the carbon-to-nutrient ratio in disfavour of the grazers. The microzooplankton community was analysed both during indoor and outdoor mesocosm experiments. At the KOSMOS 2013 Gullmar Fjord field campaign, different CO2 levels were applied to the eutrophic North Sea water throughout the entire spring bloom period. During the indoor mesocosm studies at the GEOMAR, different temperature and CO2 scenarios were simulated. The BIOACID Autumn 2012 and Summer 2013 experiments allowed closer insights into the dynamics and seasonality pattern of Baltic Sea plankton communities from the Kiel Bight. Within all three studies, microzooplankton species composition and abundance, biomass and size classes were investigated. Apart from regular samplings which aimed at providing insights into the succession of the natural plankton communities as a whole, modified Landry-Hassett dilution series were performed to assess microzooplankton grazing activities. By choosing the most abundant copepod species as top predator, these small-scale experiments allowed the differentiation between micro- and mesozooplankton grazing impact and to evaluate food preferences of microzooplankton. |
format |
Conference Object |
author |
Horn, Henriette Aberle-Malzahn, Nicole Löder, Martin Boersma, Maarten |
spellingShingle |
Horn, Henriette Aberle-Malzahn, Nicole Löder, Martin Boersma, Maarten The role of microzooplankton under future ocean acidification and warming scenarios |
author_facet |
Horn, Henriette Aberle-Malzahn, Nicole Löder, Martin Boersma, Maarten |
author_sort |
Horn, Henriette |
title |
The role of microzooplankton under future ocean acidification and warming scenarios |
title_short |
The role of microzooplankton under future ocean acidification and warming scenarios |
title_full |
The role of microzooplankton under future ocean acidification and warming scenarios |
title_fullStr |
The role of microzooplankton under future ocean acidification and warming scenarios |
title_full_unstemmed |
The role of microzooplankton under future ocean acidification and warming scenarios |
title_sort |
role of microzooplankton under future ocean acidification and warming scenarios |
publishDate |
2013 |
url |
https://epic.awi.de/id/eprint/35347/ https://epic.awi.de/id/eprint/35347/1/hhorn_Poster_Warnemuende_131001.pdf https://hdl.handle.net/10013/epic.43346 https://hdl.handle.net/10013/epic.43346.d001 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
EPIC3BIOACID Phase II 1st Annual Meeting, Warnemünde, 2013-10-01-2013-10-02 |
op_relation |
https://epic.awi.de/id/eprint/35347/1/hhorn_Poster_Warnemuende_131001.pdf https://hdl.handle.net/10013/epic.43346.d001 Horn, H. , Aberle-Malzahn, N. , Löder, M. and Boersma, M. orcid:0000-0003-1010-026X (2013) The role of microzooplankton under future ocean acidification and warming scenarios , BIOACID Phase II 1st Annual Meeting, Warnemünde, 1 October 2013 - 2 October 2013 . hdl:10013/epic.43346 |
_version_ |
1766157475001663488 |