Quantitative analysis of the importance of wind-induced circulation for the spatial structuring of planktonic populations

Thackeray, Stephen J. ORCID:; George, D. Glen; Jones, Roger I.; Winfield, Ian J.. 2004 Quantitative analysis of the importance of wind-induced circulation for the spatial structuring of planktonic populations. Freshwater Biology, 49 (9). 1091-1102.

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1. Several studies have shown that wind-induced water movements have an important effect on the spatial distribution of crustacean zooplankton. However, few attempts have been made to quantify the effect of physical processes on these broad-scale patterns. Much of our understanding of this spatial structure has been based on the results of isolated surveys, which do not capture the dynamic nature of the pelagic environment. 2. In this study, we have used a combination of high-speed sampling (at a spatial resolution of 240 m) and spatial data analysis to quantify the factors influencing the horizontal spatial structure of the Daphnia galeata population in Windermere. 3. The results show that lake-wide circulation patterns, as indicated by water temperature, account for 29–47% of the basin-scale spatial variance in D. galeata abundance. However, these patterns are highly dynamic and change in response to the prevailing weather. This lack of temporal persistence means that the results of single-survey sampling campaigns must be interpreted with caution.

Item Type: Publication - Article
Digital Object Identifier (DOI):
Programmes: CEH Programmes pre-2009 publications > Water > WA02 Quantifying processes that link water quality and quantity, biota and physical environment > WA02.3 Physico-chemical processes and effects on freshwater biot
UKCEH and CEH Sections/Science Areas: _ Ecosystem Assessment & Forecasting
ISSN: 0046-5070
Additional Information. Not used in RCUK Gateway to Research.: NOTICE: The document attached is the author’s final manuscript version of the journal article, incorporating any revisions agreed during the peer review process. Some differences between this and the publisher’s version remain. You are advised to consult the publisher’s version if you wish to cite from this article. The definitive version is available at
Additional Keywords: Daphnia, heterogeneity, lake circulation, physical determination, Windermere
NORA Subject Terms: Ecology and Environment
Date made live: 02 Jul 2015 14:04 +0 (UTC)

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