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Titolo:
CONNECTIVITY IN FRAGMENTED POPULATIONS - ABAX PARALLELEPIPEDUS IN A HEDGEROW NETWORK LANDSCAPE
Autore:
PETIT S; BUREL F;
Indirizzi:
UNIV RENNES 1,LAB EVOLUT SYST NAT & MODIFIES,CNRS,UMR ECOBIO 6553,CAMPUS BEAULIEU F-35042 RENNES FRANCE UNIV RENNES 1,LAB EVOLUT SYST NAT & MODIFIES,CNRS,UMR ECOBIO 6553 F-35042 RENNES FRANCE
Titolo Testata:
Comptes rendus de l'Academie des sciences. Serie 3, Sciences de la vie
fascicolo: 1, volume: 321, anno: 1998,
pagine: 55 - 61
SICI:
0764-4469(1998)321:1<55:CIFP-A>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Keywords:
CONNECTIVITY; FRAGMENTED POPULATIONS; LANDSCAPE HETEROGENEITY; FOREST CARABID BEETLES; HEDGEROW NETWORK;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
26
Recensione:
Indirizzi per estratti:
Citazione:
S. Petit e F. Burel, "CONNECTIVITY IN FRAGMENTED POPULATIONS - ABAX PARALLELEPIPEDUS IN A HEDGEROW NETWORK LANDSCAPE", Comptes rendus de l'Academie des sciences. Serie 3, Sciences de la vie, 321(1), 1998, pp. 55-61

Abstract

Landscape heterogeneity, i.e. the diversity in patch quality affects the movements of many species. The forest carabid Abax parallelepipedus survives as fragmented populations in hedgerow networks where linearwooded elements are used as corridors for movement between local populations. Mean distances covered by individuals per unit of time differaccording to the quality of the woody habitat. in this paper, we examine how the individual behaviour in various habitat types translates into the distribution of the species at the landscape level. Our results indicate that the euclidian distance to the nearest site occupied bythe species is a highly significant descriptor of the functional connectivity of the hedgerow network. Integrating the structure and the quality of the hedgerow network in the estimation of connectivity slightly improves the correlation between connectivity and the distribution of A. parallelepipedus but does not appear necessary to predict patch occupancy in the network studied. ((C) Academie des sciences/Elsevier,Paris.).

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Documento generato il 07/08/20 alle ore 20:57:19