Title
Dispersal distances of nuthatches **Sitta europaea** in a highly fragmented forest habitat Dispersal distances of nuthatches **Sitta europaea** in a highly fragmented forest habitat
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
Brussel ,
Subject
Chemistry
Biology
Source (journal)
Oikos : politiek, milieu, cultuur / Oikos. - Brussel, 1996, currens
Oikos: a journal of ecology. - KÝbenhavn
Volume/pages
72(1995) , p. 375-381
ISSN
0030-1299
ISI
A1995RH16000010
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We studied dispersal distances of nuthatches in a highly fragmented landscape with only 2% of its area covered by suitable habitat (mature forest and parkland). We estimate that most surviving nestlings settled outside the 200-km(2) study area, and that mean dispersal distance was several rimes larger compared to more densely forested landscapes. However, local recruitment, defined as the proportion of nestlings settling within a small number of territories from the site of birth, did not differ between this study and other studies in large forests. Once young nuthatches had settled, they were less likely to move again in the fragmented landscape compared to large forests. We conclude that fragmentation causes an increase in natal dispersal distance but no discernible change in the number of territories between birth and establishment. However, fragmentation does effectively induce isolation once the young birds have settled.
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