Community Ecology
Volume/Issue:
Volume 7: Issue 1
The effect of initial pattern on competitive exclusion
Authors:
É.V.P. Rácz Department of Environmental Engineering, Széchenyi István University Egyetem tér 1. H-9026, Győr, Hungary

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and
J. Karsai Department of Medical Informatics, University of Szeged Korányi fasor 9. H-6720, Szeged, Hungary

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Pages:
23–33
Online Publication Date:
13 Apr 2006
Publication Date:
01 Jun 2006
Article Category:
Research Article
DOI:
https://doi.org/10.1556/comec.7.2006.1.3
Keywords:
Competition; Colonization; Cellular automata; Local aggregation; Spatiotemporal pattern
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We used cellular automata models to investigate the effect of initial pattern geometry on competition. We measured the average proportion of sites with foreign neighbours to track interspecific segregation during pattern development. Our simulation results show that intraspecific aggregation can considerably slow down the extinction of the weaker competitor. A series of experiments was performed to estimate the expected time to extinction for the weaker species. The perimeter-to-area ratio of the initial configuration proved to be an adequate determinant of expected timeto- extinction. Furthermore, we demonstrated that the degree of aggregation is closely related to the local density dependence of the colonization functions.

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Cover Community Ecology
Community Ecology An Interdisciplinary Journal Reporting Progress in Community and Population Studies
Print ISSN:
1585-8553
Online ISSN:
1588-2756

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Community Ecology
Language English
Size A4
Year of
Foundation		 2000
Volumes
per Year		 1
Issues
per Year		 3
Founder Akadémiai Kiadó
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Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
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Springer Nature Switzerland AG
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Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
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Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1585-8553 (Print)
ISSN 1588-2756 (Online)

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