Low CO2 sensitivity of microzooplankton communities in the Gullmar Fjord, Skagerrak: evidence from a long-term mesocosm study
Ocean acidification is considered as a crucial stressor for marine communities. In this study, we tested the effects of the IPCC RPC6.0 end-of-century acidification scenario on a natural plankton community in the Gullmar Fjord, Sweden, during a long-term mesocosm experiment from a spring bloom to a...
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ftuglasgow:oai:eprints.gla.ac.uk:267704 2023-05-15T17:51:31+02:00 Low CO2 sensitivity of microzooplankton communities in the Gullmar Fjord, Skagerrak: evidence from a long-term mesocosm study Horn, Henriette G. Sander, Nils Stuhr, Annegret Algueró-Muñiz, María Bach, Lennart T. Löder, Martin G. J. Boersma, Maarten Riebesell, Ulf Aberle, Nicole 2016 text https://eprints.gla.ac.uk/267704/ https://eprints.gla.ac.uk/267704/1/267704.pdf en eng Public Library of Science https://eprints.gla.ac.uk/267704/1/267704.pdf Horn, H. G., Sander, N., Stuhr, A., Algueró-Muñiz, M. <http://eprints.gla.ac.uk/view/author/61362.html> , Bach, L. T., Löder, M. G. J., Boersma, M., Riebesell, U. and Aberle, N. (2016) Low CO2 sensitivity of microzooplankton communities in the Gullmar Fjord, Skagerrak: evidence from a long-term mesocosm study. PLoS ONE <https://eprints.gla.ac.uk/view/journal_volume/PLoS_ONE.html>, 11(11), e0165800. (doi:10.1371/journal.pone.0165800 <https://doi.org/10.1371/journal.pone.0165800>) (PMID:27893740) (PMCID:PMC5125589) cc_by_4 CC-BY Articles PeerReviewed 2016 ftuglasgow https://doi.org/10.1371/journal.pone.0165800 2022-09-22T22:17:20Z Ocean acidification is considered as a crucial stressor for marine communities. In this study, we tested the effects of the IPCC RPC6.0 end-of-century acidification scenario on a natural plankton community in the Gullmar Fjord, Sweden, during a long-term mesocosm experiment from a spring bloom to a mid-summer situation. The focus of this study was on microzooplankton and its interactions with phytoplankton and mesozooplankton. The microzooplankton community was dominated by ciliates, especially small Strombidium sp., with the exception of the last days when heterotrophic dinoflagellates increased in abundance. We did not observe any effects of high CO2 on the community composition and diversity of microzooplankton. While ciliate abundance, biomass and growth rate were not affected by elevated CO2, we observed a positive effect of elevated CO2 on dinoflagellate abundances. Additionally, growth rates of dinoflagellates were significantly higher in the high CO2 treatments. Given the higher Chlorophyll a content measured under high CO2, our results point at mainly indirect effects of CO2 on microzooplankton caused by changes in phytoplankton standing stocks, in this case most likely an increase in small-sized phytoplankton of <8 μm. Overall, the results from the present study covering the most important part of the growing season indicate that coastal microzooplankton communities are rather robust towards realistic acidification scenarios. Article in Journal/Newspaper Ocean acidification University of Glasgow: Enlighten - Publications PLOS ONE 11 11 e0165800 |
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Open Polar |
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University of Glasgow: Enlighten - Publications |
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ftuglasgow |
language |
English |
description |
Ocean acidification is considered as a crucial stressor for marine communities. In this study, we tested the effects of the IPCC RPC6.0 end-of-century acidification scenario on a natural plankton community in the Gullmar Fjord, Sweden, during a long-term mesocosm experiment from a spring bloom to a mid-summer situation. The focus of this study was on microzooplankton and its interactions with phytoplankton and mesozooplankton. The microzooplankton community was dominated by ciliates, especially small Strombidium sp., with the exception of the last days when heterotrophic dinoflagellates increased in abundance. We did not observe any effects of high CO2 on the community composition and diversity of microzooplankton. While ciliate abundance, biomass and growth rate were not affected by elevated CO2, we observed a positive effect of elevated CO2 on dinoflagellate abundances. Additionally, growth rates of dinoflagellates were significantly higher in the high CO2 treatments. Given the higher Chlorophyll a content measured under high CO2, our results point at mainly indirect effects of CO2 on microzooplankton caused by changes in phytoplankton standing stocks, in this case most likely an increase in small-sized phytoplankton of <8 μm. Overall, the results from the present study covering the most important part of the growing season indicate that coastal microzooplankton communities are rather robust towards realistic acidification scenarios. |
format |
Article in Journal/Newspaper |
author |
Horn, Henriette G. Sander, Nils Stuhr, Annegret Algueró-Muñiz, María Bach, Lennart T. Löder, Martin G. J. Boersma, Maarten Riebesell, Ulf Aberle, Nicole |
spellingShingle |
Horn, Henriette G. Sander, Nils Stuhr, Annegret Algueró-Muñiz, María Bach, Lennart T. Löder, Martin G. J. Boersma, Maarten Riebesell, Ulf Aberle, Nicole Low CO2 sensitivity of microzooplankton communities in the Gullmar Fjord, Skagerrak: evidence from a long-term mesocosm study |
author_facet |
Horn, Henriette G. Sander, Nils Stuhr, Annegret Algueró-Muñiz, María Bach, Lennart T. Löder, Martin G. J. Boersma, Maarten Riebesell, Ulf Aberle, Nicole |
author_sort |
Horn, Henriette G. |
title |
Low CO2 sensitivity of microzooplankton communities in the Gullmar Fjord, Skagerrak: evidence from a long-term mesocosm study |
title_short |
Low CO2 sensitivity of microzooplankton communities in the Gullmar Fjord, Skagerrak: evidence from a long-term mesocosm study |
title_full |
Low CO2 sensitivity of microzooplankton communities in the Gullmar Fjord, Skagerrak: evidence from a long-term mesocosm study |
title_fullStr |
Low CO2 sensitivity of microzooplankton communities in the Gullmar Fjord, Skagerrak: evidence from a long-term mesocosm study |
title_full_unstemmed |
Low CO2 sensitivity of microzooplankton communities in the Gullmar Fjord, Skagerrak: evidence from a long-term mesocosm study |
title_sort |
low co2 sensitivity of microzooplankton communities in the gullmar fjord, skagerrak: evidence from a long-term mesocosm study |
publisher |
Public Library of Science |
publishDate |
2016 |
url |
https://eprints.gla.ac.uk/267704/ https://eprints.gla.ac.uk/267704/1/267704.pdf |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
https://eprints.gla.ac.uk/267704/1/267704.pdf Horn, H. G., Sander, N., Stuhr, A., Algueró-Muñiz, M. <http://eprints.gla.ac.uk/view/author/61362.html> , Bach, L. T., Löder, M. G. J., Boersma, M., Riebesell, U. and Aberle, N. (2016) Low CO2 sensitivity of microzooplankton communities in the Gullmar Fjord, Skagerrak: evidence from a long-term mesocosm study. PLoS ONE <https://eprints.gla.ac.uk/view/journal_volume/PLoS_ONE.html>, 11(11), e0165800. (doi:10.1371/journal.pone.0165800 <https://doi.org/10.1371/journal.pone.0165800>) (PMID:27893740) (PMCID:PMC5125589) |
op_rights |
cc_by_4 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1371/journal.pone.0165800 |
container_title |
PLOS ONE |
container_volume |
11 |
container_issue |
11 |
container_start_page |
e0165800 |
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1766158698482237440 |