High tolerance of microzooplankton to ocean acidification in an Arctic coastal plankton community

N. Aberle, K. G. Schulz, A. Stuhr, A. M. Malzahn, A. Ludwig, U. Riebesell

Research output: Contribution to journalArticle

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Abstract

Impacts of ocean acidification (OA) on marine biota have been observed in a wide range of marine systems. We used a mesocosm approach to study the response of a high Arctic coastal microzooplankton community during the post-bloom period in Kongsfjorden (Svalbard) to direct and indirect effects of high pCO2/low pH. We found almost no direct effects of OA on microzooplankton composition and diversity. Both the relative shares of ciliates and heterotrophic dinoflagellates as well as the taxonomic composition of microzooplankton remained unaffected by changes in pCO2/pH. Although the different pCO2 treatments affected food availability and phytoplankton composition, no indirect effects (e.g. on the total carrying capacity and phenology of microzooplankton) could be observed. Our data point to a high tolerance of this Arctic microzooplankton community to changes in pCO2/pH. Future studies on the impact of OA on plankton communities should include microzooplankton in order to test whether the observed low sensitivity to OA is typical for coastal communities where changes in seawater pH occur frequently.

Original languageEnglish
Pages (from-to)1471-1481
Number of pages11
JournalBiogeosciences
Volume10
Issue number3
DOIs
Publication statusPublished - Mar 5 2013

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plankton
Arctic region
tolerance
mesocosm
carrying capacity
ciliate
food availability
Ciliophora
dinoflagellate
phenology
biota
algal bloom
seawater
phytoplankton
ocean acidification
organisms
effect
testing

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Ecology, Evolution, Behavior and Systematics

Cite this

Aberle, N., Schulz, K. G., Stuhr, A., Malzahn, A. M., Ludwig, A., & Riebesell, U. (2013). High tolerance of microzooplankton to ocean acidification in an Arctic coastal plankton community. Biogeosciences, 10(3), 1471-1481. https://doi.org/10.5194/bg-10-1471-2013

High tolerance of microzooplankton to ocean acidification in an Arctic coastal plankton community. / Aberle, N.; Schulz, K. G.; Stuhr, A.; Malzahn, A. M.; Ludwig, A.; Riebesell, U.

In: Biogeosciences, Vol. 10, No. 3, 05.03.2013, p. 1471-1481.

Research output: Contribution to journalArticle

Aberle, N, Schulz, KG, Stuhr, A, Malzahn, AM, Ludwig, A & Riebesell, U 2013, 'High tolerance of microzooplankton to ocean acidification in an Arctic coastal plankton community', Biogeosciences, vol. 10, no. 3, pp. 1471-1481. https://doi.org/10.5194/bg-10-1471-2013
Aberle, N. ; Schulz, K. G. ; Stuhr, A. ; Malzahn, A. M. ; Ludwig, A. ; Riebesell, U. / High tolerance of microzooplankton to ocean acidification in an Arctic coastal plankton community. In: Biogeosciences. 2013 ; Vol. 10, No. 3. pp. 1471-1481.
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