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Does interference competition from Daphnia affect populations of Keratella cochlearis in Loch Leven, Scotland?

May, L.; Jones, D.H.. 1989 Does interference competition from Daphnia affect populations of Keratella cochlearis in Loch Leven, Scotland? Journal of Plankton Research, 11 (3). 445-461. 10.1093/plankt/11.3.445

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Abstract/Summary

A very marked inverse relationship between Daphnia hyalina var. lacustris Sars and Keratella cochlearis (Gosse) population densities was observed in Loch Leven, Scotland, UK between 1978 and 1982. The natural death rates of the rotifer population were far lower than would have been expected in response to interference competition from Daphnia. Keratella birth rates fell, along with chlorophyll a concentrations, when Daphnia filtration rates were high. The results indicate that, when Daphnia were abundant, direct competition for food was the most likely factor suppressing Keratella population growth.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1093/plankt/11.3.445
Programmes: CEH Programmes pre-2009 publications > Other
CEH Sections: _ Pre-2000 sections
ISSN: 0142-7873
Additional Keywords: Loch Leven
NORA Subject Terms: Botany
Ecology and Environment
Date made live: 23 Jul 2010 13:05
URI: http://nora.nerc.ac.uk/id/eprint/10382

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