Title
Population structure and reproduction of Heimyscus fumosus (Brosset et al., 1965) in south-western Gabon
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
Paris ,
Subject
Chemistry
Biology
Source (journal)
Revue d'écologie appliquée. - Paris, 1980, currens
Volume/pages
58(2003) :2 , p. 209-216
ISSN
0249-7395
2429-6422
ISI
000184449900004
Carrier
E
Target language
English (eng)
Affiliation
University of Antwerp
Abstract
Population structure and annual reproduction cycle of the De Balsac's mouse (Heimyscus fumosus) were studied in a wild population of south-western Gabon. The reproductive status of the mice was investigated at autopsy, and age of each animal was estimated by tooth wear patterns and body weight. Sex-ratio was equilibrated whatever the season and the age-class. Females tended to reach sexual maturity more slowly than males. However, the average age at puberty differed between individuals of the same sex. A wide range of tooth-wear-classes and weight-classes were present in most months of the year, and sexually active individuals of both sexes were captured in most months. However pregnant or lactating females were only captured from August to March, while very young individuals were only captured from October to March. Thus, the reproduction of H. fumosus would be partly seasonal with an interruption from April to July (end of the short wet season, and beginning of the long dry season). We discussed the potential role of food availability on this seasonality.
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