Recherches écologique sur une savane sahélienne du Ferlo septentrional, Sénégal : quelques effets de la sécheresse sur le peuplement mammalien
Fiche du document
1974
Copyright PERSEE 2003-2023. Works reproduced on the PERSEE website are protected by the general rules of the Code of Intellectual Property. For strictly private, scientific or teaching purposes excluding all commercial use, reproduction and communication to the public of this document is permitted on condition that its origin and copyright are clearly mentionned.
Sujets proches
République du SénégalCiter ce document
A. Poulet, « Recherches écologique sur une savane sahélienne du Ferlo septentrional, Sénégal : quelques effets de la sécheresse sur le peuplement mammalien », Revue d'Écologie (La Terre et La Vie) (documents), ID : 10.3406/revec.1974.4830
Métriques
Partage / Export
Résumé
The results of the 1972-73 drought on the mammal populations of the IBP study area, at Fété Olé, Sénégal, are summarized. Some desert species, like Desmodilliscus braueri and Gazella dama were observed more often than usual. The numbers of Taterillus pygargus, the commonest granivorous rodent, decreased sharply but the species succeeded to breed despite the almost complete lack of grass cover : these rodents probably fed upon the surplus of seeds of the preceeding year remaining on the ground. Most Carnivore populations declined in numbers during this unusually dry period.