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Seasonal Changes in the Habitat Distribution of Transient Insectivorous Birds in Southeastern Arizona: Competition Mediated?
Author(s) -
Richard L. Hutto
Publication year - 1985
Publication title -
ornithology
Language(s) - French
Resource type - Journals
SCImago Journal Rank - 1.077
H-Index - 94
eISSN - 1938-4254
pISSN - 0004-8038
DOI - 10.2307/4086827
Subject(s) - habitat , ecology , insectivore , abundance (ecology) , biology , competition (biology) , seasonality , geography
Du fait que la competition n'est pas un phenomene du «tout ou rien», le degre d'interactions competitives qui existe (et qui est sous le controle direct ou indirect de l'abondance relative des aliments entre les sites ou a l'interieur d'un meme site) serait responsable d'une grande partie des changements observes dans la structure des communautes d'un site a l'autre ou d'une epoque a l'autre

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