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Zooplankton on the move: first results on the quantification of dispersal of zooplankton in a set of interconnected ponds

Zooplankton on the move: first results on the quantification of dispersal of zooplankton in a set... In systems of interconnected ponds or lakes, the dispersal of zooplankton may be mediated by the active population component, with rivulets and overflows functioning as dispersal pathways and the dispersal being unidirectional. Such systems offer the possibility to study the impact of dispersal rates on local population dynamics and community structure, and provide opportunities to quantify dispersal in the field in a straightforward manner. In this study, dispersal of active zooplankton populations among interconnected ponds was quantified directly in the field by sampling the small waterways connecting the ponds. The number of dispersing zooplankton sampled in connecting elements was on average high (almost 7000 ind h−1). However, the contribution of dispersing individuals to total population size in the target ponds was very limited (< 1% 24 h−1.). Only a weak diel pattern in dispersal rates was observed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Hydrobiologia Springer Journals

Zooplankton on the move: first results on the quantification of dispersal of zooplankton in a set of interconnected ponds

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References (46)

Publisher
Springer Journals
Copyright
Copyright © 2001 by Kluwer Academic Publishers
Subject
Life Sciences; Freshwater & Marine Ecology; Ecology; Zoology
ISSN
0018-8158
eISSN
1573-5117
DOI
10.1023/A:1017549416362
Publisher site
See Article on Publisher Site

Abstract

In systems of interconnected ponds or lakes, the dispersal of zooplankton may be mediated by the active population component, with rivulets and overflows functioning as dispersal pathways and the dispersal being unidirectional. Such systems offer the possibility to study the impact of dispersal rates on local population dynamics and community structure, and provide opportunities to quantify dispersal in the field in a straightforward manner. In this study, dispersal of active zooplankton populations among interconnected ponds was quantified directly in the field by sampling the small waterways connecting the ponds. The number of dispersing zooplankton sampled in connecting elements was on average high (almost 7000 ind h−1). However, the contribution of dispersing individuals to total population size in the target ponds was very limited (< 1% 24 h−1.). Only a weak diel pattern in dispersal rates was observed.

Journal

HydrobiologiaSpringer Journals

Published: Oct 16, 2004

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