oa Madoqua - Bias in aerial censuses of elephants in Etosha National Park, Namibia

Volume 19, Issue 2
  • ISSN : 1011-5498



Experimental counts of elephants in Etosha National Park wereused to estimate the bias associated with low intensity counting methods developed for this species. Repeated counting of the same area showed that precise population estimates can be obtained from the method used, and that elephants react to survey aircraft by breaking up into smaller groups.

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