Title: Dispersal-mediated trophic interactions can generate apparent patterns of dispersal limitation in aquatic metacommunities
Authors: Verreydt, Dino ×
De Meester, Luc
Decaestecker, Ellen
Villena, María-José
Van Der Gucht, Katleen
Vannormelingen, Pieter
Vyverman, Wim
Declerck, Steven A J #
Issue Date: Mar-2012
Publisher: Blackwell Science
Series Title: Ecology letters vol:15 issue:3 pages:218-226
Article number: 10.1111/j.1461-0248.2011.01728.x
Abstract: Ecology Letters (2012) ABSTRACT: Dispersal is a major organising force in metacommunities, which may facilitate compositional responses of local communities to environmental change and affect ecosystem function. Organism groups differ widely in their dispersal abilities and their communities are therefore expected to have different adaptive abilities. In mesocosms, we studied the simultaneous compositional response of three plankton communities (zoo-, phyto- and bacterioplankton) to a primary productivity gradient and evaluated how this response was mediated by dispersal intensity. Dispersal enhanced responses in all three planktonic groups, which also affected ecosystem functioning. Yet, variation partitioning analyses indicated that responses in phytoplankton and bacterial communities were not only controlled by dispersal directly but also indirectly through complex trophic interactions. Our results indicate that metacommunity patterns emerging from dispersal can cascade through the food web and generate patterns of apparent dispersal limitation in organisms at other trophic levels.
ISSN: 1461-023X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory for Aquatic Ecology and Evolutionary Biology (-)
Ecology, Evolution and Biodiversity Conservation Section
Biology, Campus Kulak Kortrijk
× corresponding author
# (joint) last author

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