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Data from seven populations of klipspringer, a small African antelope, are analysed to determine the extent to which altitude, temperature, rainfall and graze quality influence fecundity. Temperature is the only variable that has a significant effect. It is suggested that, even in the tropics, the energetic cost of maintaining thermoregulation at moderate to high altitudes can be significant and that this leaves the female with less energy to spare for investing in offspring. On analyse les données portant sur sept populations d'oréotragues, petites antilopes africaines, pour déterminer dans quelle mesure l'altitude, la température, les chutes de pluie et la qualité de la nourriture influencent la fécondité. La température est la seule variable qui ait un effet significatif. On suggère que, même sous les tropiques, le coût énergétique de la thermorégulation en moyenne et haute altitude peut être significatif et qu'il laisse à la femelle moins d'énergie à investir dans une descendance. Copyright © 1990, Wiley Blackwell. All rights reserved

Original publication




Journal article


African Journal of Ecology

Publication Date





307 - 313