Implications of taxon-level variation in climate change response for interpreting plankton lifeform biodiversity indicators

Bedford, J; Johns, DG; McQuatters-Gollop, A. 2020 Implications of taxon-level variation in climate change response for interpreting plankton lifeform biodiversity indicators. ICES Journal of Marine Science, 77 (7-8). https://doi.org/10.1093/icesjms/fsaa183

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Official URL: https://academic.oup.com/icesjms/article-abstract/...

Abstract/Summary

Indicators based on broad functional characteristics, which group plankton taxa into “lifeforms”, summarize changes across a high number of taxa in a way that reflects changes in community functioning and are used to inform policy assessments. Key questions remain, however, as to what extent plankton taxa within these lifeforms share responses to environmental change. Addressing this knowledge gap can provide additional information on the influence of environmental drivers, including climate change, on plankton communities. Here, we use a multi-decadal plankton time series to examine the extent to which taxa within lifeforms share responses to sea surface temperature (SST) change. At the North Sea scale, the individual taxa responses within the dinoflagellate lifeform are skewed towards a negative response to increasing SST, consolidating previous findings that dinoflagellate abundance is decreasing with ocean warming. The individual taxa responses within the zooplankton lifeforms, however, varied, suggesting that lifeform traits are less of a factor determining response to SST for zooplankton than for phytoplankton. The lifeform level of grouping taxa, therefore, is useful for communicating change in the state and functioning of ecosystems, but finer taxonomically resolved data are essential for determining the drivers of plankton community change, including climate influences, during formal assessments.

Item Type: Publication - Article
Subjects: Marine Sciences
Divisions: Marine Biological Association of the UK > Continuous Plankton Recorder
Depositing User: Emily Smart
Date made live: 08 Oct 2021 13:57
Last Modified: 08 Oct 2021 13:57
URI: http://plymsea.ac.uk/id/eprint/9412

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