Title
Species coexistence in a lattice-structured habitat : effects of species dispersal and interactions Species coexistence in a lattice-structured habitat : effects of species dispersal and interactions
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
London ,
Subject
Mathematics
Biology
Human medicine
Computer. Automation
Source (journal)
Journal of theoretical biology. - London
Volume/pages
359(2014) , p. 184-191
ISSN
0022-5193
ISI
000341069600021
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Opinions differ on how the spatial distribution of species over space affects species coexistence. Here, we constructed both mean-field and pair approximation (PA) models to explore the effects of interspecific and intraspecific interactions and dispersal modes on species coexistence. We found that spatial structure resulting from species dispersal traits and neighboring interactions in PA model did not promote coexistence if two species had the same traits, though it might intensify the contact frequency of intraspecific competition. If two species adopt different dispersal modes, the spatial structure in PA would make the coexistence or founder control less likely since it alters the species effective birth rate. This suggests that the spatial distribution caused by neighboring interactions and local dispersal does not affect species coexistence unless it adequately alters the effective birth rate for two species. Besides, we modeled how the initial densities and patterns affected population dynamics and revealed how the final spatial pattern was generated.
E-info
https://repository.uantwerpen.be/docman/iruaauth/56b68b/e2effb0f585.pdf
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