Factors affecting the success of translocations of the black-faced impala in Namibia

Matson, T. K., Goldizen, A. W. and Jarman, P. J. (2004) Factors affecting the success of translocations of the black-faced impala in Namibia. Biological Conservation, 116 3: 359-365. doi:10.1016/S0006-3207(03)00229-5

Author Matson, T. K.
Goldizen, A. W.
Jarman, P. J.
Title Factors affecting the success of translocations of the black-faced impala in Namibia
Journal name Biological Conservation   Check publisher's open access policy
ISSN 0006-3207
Publication date 2004-01-01
Year available 2004
Sub-type Article (original research)
DOI 10.1016/S0006-3207(03)00229-5
Open Access Status Not yet assessed
Volume 116
Issue 3
Start page 359
End page 365
Total pages 7
Place of publication Oxford
Publisher Elsevier Science Ltd
Language eng
Subject C1
270708 Conservation and Biodiversity
779903 Living resources (flora and fauna)
Abstract This study analysed 21 translocations of the vulnerable black-faced impala (Aepyceros melampus petersi) to 20 Namibian game farms that occurred between 1970 and 2001, seeking characteristics of the translocated populations and the release sites that significantly correlated with the success of the translocations. Characteristics considered were: initial population size; presence of cheetah and leopard; area; habitat type; occurrence within the historical range of the subspecies and occurrence of trophy hunting. Success of translocations was described by whether the population had a positive growth rate. The success rate of translocations of black-faced impala (62%) was higher than shown in other studies of vertebrate translocations. Initial population size was paramount to the success of translocations. Releases of larger populations were more likely to lead to positive population growth rates than were releases of small populations. The presence of cheetah also influenced the success of translocated populations. In the presence of cheetah, small populations translocated to game farms were significantly less likely to be viable than larger populations. Recommendations for the management of this vulnerable antelope include introducing large initial populations, ideally more than 15 animals, rather than attempting to eliminate cheetah following translocations of impala. (C) 2003 Elsevier Ltd. All rights reserved.
Keyword Biodiversity Conservation
Environmental Sciences
Black-faced Impala
Aepyceros Melampus Petersi
Acinonyx Jubatus
Bridled Nailtail Wallabies
Q-Index Code C1
Institutional Status UQ

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Created: Wed, 15 Aug 2007, 13:06:30 EST