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1 April 2008 A Rapid Method to Estimate Population Variables for African Elephants
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Abstract

We developed a noninvasive method to estimate reproductive and survival parameters for free-ranging African savannah elephants (Loxodonta africana africana) and used these to estimate finite population growth rates. We used published data from 2 populations with known growth rates and birth and survival histories to validate our technique. Based on body measurements, our method yielded estimates of age at first and last calving, calving interval, and age-specific survival rates that were similar to those determined during long-term studies at both Addo Elephant National Park and Amboseli National Park. Our technique generated population data required to estimate population growth rates. The method may be particularly useful where censuses yield imprecise estimates or where long-term population data are unavailable.

Sam M. Ferreira and Rudi J. van Aarde "A Rapid Method to Estimate Population Variables for African Elephants," Journal of Wildlife Management 72(3), 822-829, (1 April 2008). https://doi.org/10.2193/2007-151
Published: 1 April 2008
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