Article (Scientific journals)
Les micromammifères dans le département des Pyrénées Orientales. Essai de répartition altitudinale en liaison avec les étages de végétation
Fons, Roger; Libois, Roland; Saint Girons, Marie Charlotte
1980In Vie et Milieu, 30, p. 285-299
Peer reviewed
 

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Keywords :
small mammals; altitudinal distribution; vegetation; Pyrenees; France
Abstract :
[en] In the Pyrénées-Orientales, distribution of small mammals and relative densities of the different species are governed by the lanscape: coastal and brackish water vegetation, agricultural areas in the Roussillon plain, mediterranean land vegetation, forests of lower montain and subalpine levels, alpine pastures. Finally topographic plays its role in the linkage of biocenoses and in particular by the orientation of the three main valleys with the resulting distribution of solar impact: mediterranean species attaining relatively high altitudes in warm sites paralleled by mountain species descending fairly low on shady slopes. In the area studied, the subalpine and low mountain levels are characterized by the absence of Crocidurinae, and the presence of Sorex "araneus", Sorex minutus, Microtus arvalis, Arvicola terrestris and Clethrionomys glareolus. The mediterranean level is characterized by the absence of Sorex and the presence of Pitymys duodecimcostatus and Mus spretus. Crocidura russula, C. suaveolens and Suncus etruscus occur in considerable numbers, but their presence is not typical of the mediterranean biome. The submediterranean level (transition zone) is the richest in terms of species number, as it comprises the zone of faunal overlap according to local solar impact.
Disciplines :
Zoology
Author, co-author :
Fons, Roger
Libois, Roland ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Zoogéographie
Saint Girons, Marie Charlotte
Language :
French
Title :
Les micromammifères dans le département des Pyrénées Orientales. Essai de répartition altitudinale en liaison avec les étages de végétation
Alternative titles :
[en] The small mammals of the department of Oriental Pyrenees.
Publication date :
1980
Journal title :
Vie et Milieu
ISSN :
0240-8759
Publisher :
Masson, Paris, France
Volume :
30
Pages :
285-299
Peer reviewed :
Peer reviewed
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