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A Bekele and H Leirs (1997)

Population ecology of rodents of maize fields and grassland in central Ethiopia


We report on the presence of rodents in grassland and maize fields in central Ethiopia, during the course of a 21-month study by means of removal and capture-recapture trapping. In both habitats, the small mammal fauna consisted of the same species but in different relative proportions: Arvicanthis dembeensis, Mastomys erythroleucus, Tatera robusta, Rattus rattus, Mus mahomet and Crocidura olivieri. A. dembeensis and M. erythroleucus were the dominant species. Densities were generally low throughout the study period, but at the end of the breeding season in the second year of the study, the numbers of A.dembeensis reached high values in the grassland. Breeding was seasonal and related to rainfall periods: extended rainy seasons resulting in longer periods with breeding females and higher litter sizes and, consequently, population size increases. These observations suggest that rodent population dynamics in the study area are linked to rainfall patterns and this information can be used to develop forecasting models.

Mastomys; Arvicanthis; Tatera; rodent ecology
International Workshop on Rodent Biology and Integrated Pest Management in Africa, MOROGORO, TANZANIA, OCT 21-25, 1996
  • ISSN: 0777-6276

ISSN 2295-0451 (online version)
ISSN 0777-6279 (printed version)
impact factor 2015: 0,87.

Prof. Dr. Isa Schön
Royal Belgian Institute of Natural Sciences
Vautierstraat 29
1000 Brussels, Belgium


Annales de la Société malacologique de Belgique
​Annales de la Société royale malacologique et zoologique de Belgique
Annales de la Société Royale Zoologique de Belgique
Belgian Journal of Zoology