Using poaching levels and elephant distribution to assess the conservation efficacy of private, communal and government land in northern Kenya

Festus W. Ihwagi, Tiejun Wang, George Wittemyer, Andrew K. Skidmore, Albertus G. Toxopeus, Shadrack Ngene, Juliet King, Jeffrey Worden, Patrick Omondi, Iain Douglas-Hamilton

Research output: Contribution to journalArticle

18 Citations (Scopus)
2 Downloads (Pure)

Abstract

Efforts to curb elephant poaching have focused on reducing demand, confiscating ivory and boosting security patrols in elephant range. Where land is under multiple uses and ownership, determining the local poaching dynamics is important for identifying successful conservation models. Using 2,403 verified elephant, Loxodonta africana, mortality records collected from 2002 to 2012 and the results of aerial total counts of elephants conducted in 2002, 2008 and 2012 for the Laikipia-Samburu ecosystem of northern Kenya, we sought to determine the influence of land ownership and use on diurnal elephant distribution and on poaching levels.We show that the annual proportions of illegally killed (i.e., poached) elephants increased over the 11 years of the study, peaking at 70% of all recorded deaths in 2012. The type of land use was more strongly related to levels of poaching than was the type of ownership. Private ranches, comprising only 13% of land area, hosted almost half of the elephant population and had significantly lower levels of poaching than other land use types except for the officially designated national reserves (covering only 1.6% of elephant range in the ecosystem). Communal grazing lands hosted significantly fewer elephants than expected, but community areas set aside for wildlife demonstrated significantly higher numbers of elephants and lower illegal killing levels relative to non-designated community lands. While private lands had lower illegal killing levels than community conservancies, the success of the latter relative to other community-held lands shows the importance of this model of land use for conservation. This work highlights the relationship between illegal killing and various land ownership and use models, which can help focus anti-poaching activities.

Original languageEnglish
Article numbere0139079
Number of pages17
JournalPLoS ONE
Volume10
Issue number9
DOIs
Publication statusPublished - 25 Sep 2015
Externally publishedYes

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