Ecological strategies in stable and disturbed environments depend on species specialisation

Details

Serval ID
serval:BIB_EFE88A9B5996
Type
Article: article from journal or magazin.
Collection
Publications
Title
Ecological strategies in stable and disturbed environments depend on species specialisation
Journal
Oikos
Author(s)
Buchi L., Vuilleumier S.
ISSN
1600-0706 (Electronic)
ISSN-L
0030-1299 (Print)
Publication state
Published
Issued date
2016
Volume
125
Number
10
Pages
1408-1420
Language
english
Abstract
Ecological strategies are integral to understanding species survival in different environments. However, how habitat specialisation is involved in such strategies is not fully understood, particularly in heterogeneous and disturbed environments. Here, we studied the trait associations between specialisation, dispersal ability, competitiveness, reproductive investment and survival rate in a spatially explicit metacommunity model under various disturbance rates. Though no unique trait values were associated with specialisation, relationships were uncovered depending on environmental factors. We found strong trait associations mainly for generalist species, while specialist species exhibited a larger range of trait combinations. Trait associations were driven first by the disturbance rate and second by species' dispersal ability and generation overlap. With disturbance, low dispersal ability was strongly selected against, for specialists as well as for generalists. Our results demonstrate that habitat specialisation is critical for the emergence of trait strategies in metacommunities and that disturbance in interaction with dispersal ability limits not only the range of trait values but also the type of possible trait associations.
Web of science
Create date
11/11/2016 10:22
Last modification date
20/08/2019 17:17
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