Conservation goals for the Cape mountain zebra Equus zebra zebra—security in numbers?
2013
Hrabar, Halszka | Kerley, Graham I. H.
The target of the 2002 IUCN Action Plan for the Cape mountain zebra Equus zebra zebra was for a population of 2,500 animals. We assessed the validity of this goal by reviewing the conservation status of the subspecies and the prospects of achieving larger populations. All subpopulations were identified and data on each were collected by means of a questionnaire survey. The total extant Cape mountain zebra population was found to consist of at least 2,790 individuals in 52 subpopulations. The target number of 2,500 has therefore been exceeded and this success is largely attributable to the private sector, as there are at present double the number of privately owned subpopulations (35) compared to formally protected subpopulations (17) and the percentage of the population on privately owned land rose from 14% in 1998 to 32% in 2009. The security of the subspecies is still of concern, however, as the growing proportion of the metapopulation on private land is more vulnerable to threats associated with small populations and management actions. The total existing area available to the Cape mountain zebra is > 935,191 ha and it could potentially support a considerably larger population. We conclude that the IUCN target is substantially below the potential for recovery of the Cape mountain zebra and we recommend this target be revised in the light of these findings. More comprehensive conservation strategies to address current and potential future threats are also needed.
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