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Disappearing refuges in time and space : how environmental change threatens species coexistence

Title data

Münkemüller, Tamara ; Reineking, Björn ; Travis, Justin ; Bugmann, Harald ; Johst, Karin:
Disappearing refuges in time and space : how environmental change threatens species coexistence.
In: Theoretical Ecology. Vol. 2 (December 2009) Issue 4 . - pp. 217-227.
ISSN 1874-1746
DOI: https://doi.org/10.1007/s12080-009-0043-7

Abstract in another language

Understanding the impacts of environmentalchanges on species survival is a major challenge inecological research, especially when shifting from singletomultispecies foci. Here, we apply a spatially explicit twospeciessimulation model to analyze the effects ofgeographic range shifting and habitat isolation on differentcoexistence mechanisms. The model explicitly considersdispersal, local competition, and growth on a singleresource. Results highlight that both range shifting andhabitat isolation severely impact coexistence. However, thestrength of these impacts depends on the underlyingcoexistence mechanisms. Neutrally coexisting species areparticularly sensitive to habitat isolation, while stabilizedcoexistence through overcompensatory density regulation ismuch more sensitive to range shifting. We conclude that, atthe community level, the response to environmental changesensitively depends on the underlying coexistence mechanisms.This suggests that predictions and managementrecommendations should consider differences betweenneutral versus stabilized community structures wheneverpossible.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER68134
Institutions of the University: Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Junior Professorship Biogeographical Modelling
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 29 Apr 2015 15:42
Last Modified: 29 Apr 2015 15:42
URI: https://eref.uni-bayreuth.de/id/eprint/11726