Natural Resources

Volume 7, Issue 10 (October 2016)

ISSN Print: 2158-706X   ISSN Online: 2158-7086

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Post Drought Population Status and Trend of Specialized Browsers in the Mid Kenya-Tanzania Borderland

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DOI: 10.4236/nr.2016.710048    1,410 Downloads   2,248 Views  


We examined the population status, trend and distribution of Gerenuk, Fringe-eared Oryx and Lesser kudu in the Northern Tanzania and Southern Kenya borderland after the 2007 to 2009 drought. The species were characterized by low numbers and sparsely distributed in the borderland but were more prevalent and abundant in the Amboseli region. However, West Kilimanjaro had the highest positive change in density between 2010 and 2013 [Gerenuk = +1650.48 ± 1150.31, lesser kudu = +912.78 ± 487.63 and Fringe-eared Oryx = +366.65 ± 233.32]. Changes in density and composition varied seasonally among the different sectors of the borderland, with Gerenuk having the highest change in the Amboseli area during the wet season. Lesser kudu had the highest change in Amboseli and Kilimanjaro during the wet season while Fringe-eared Oryx had the highest change in the wet season in West Kilimanjaro area. Spatial distribution of the species varied seasonally and across different sectors of the borderland. In the dry season, Gerenuk exhibited a clumped distribution mainly in Amboseli National Park, and between Natron and West Kilimanjaro but in the wet season, it spread out more though higher concentrations were still found Amboseli and West Kilimanjaro. Lesser concentrated in mostly in West Kilimanjaro and Amboseli during the dry season but was widely dispersed during the wet season. Similarly, during the dry season, the Fringe-eared Oryx was confined in the Amboseli and West Kilimanjaro areas but during the wet season, it much more spread out with clusters in the Mbirikani area of the Amboseli region and a few places in Magadi, Natron and West Kilimanjaro. Management implications of the findings obtained in this study area here-in discussed.

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Okello, M. , Kiringe, J. , Muruthi, P. , Kenana, L. , Maliti, H. , Sitati, N. , Kanga, E. , Warinwa, F. , Bakari, S. , Ndambuki, S. , Gichohi, N. , Massawe, E. , Kimutai, D. , Mwita, M. and Muteti, D. (2016) Post Drought Population Status and Trend of Specialized Browsers in the Mid Kenya-Tanzania Borderland. Natural Resources, 7, 580-610. doi: 10.4236/nr.2016.710048.

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