Original Research

The impact of the provision of water for game on the woody vegetation around a dam in the Kruger National Park

I. Thrash, P.J. Nel, G.K. Theron, J. du P. Bothma
Koedoe | Vol 34, No 2 | a429 | DOI: https://doi.org/10.4102/koedoe.v34i2.429 | © 1991 I. Thrash, P.J. Nel, G.K. Theron, J. du P. Bothma | This work is licensed under CC Attribution 4.0
Submitted: 23 September 1991 | Published: 23 September 1991

About the author(s)

I. Thrash, Kruger National Park, South Africa
P.J. Nel, Kruger National Park, South Africa
G.K. Theron, University of Pretoria, South Africa
J. du P. Bothma, University of Pretoria, South Africa

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Abstract

Quantitative inventory surveys were done on the woody vegetation in permanently marked plots at distance intervals from the Wik-en-Weeg Dam, Kruger National Park, in 1973. The surveys were repeated in 1990 so that changes in the community composition, the density and the canopy cover and the survival of the woody vegetation could be determined in relation to distance from the dam. Relationships with distance from the dam were shown for the relative density ofCombretumapiculatum in all height classes, the relative canopy cover of the second height class of woody plants, the relative canopy cover of C. apiculatum plants, the survival of all height classes of woody plants and the survival of C. apiculatum and Colophospermum mopane plants. It was concluded that the provision of water for game at the Wik-en-Weeg Dam had an impact on the woody vegetation in the vicinity. The relationships of parameters of the two dominant species, Combretum apiculatum and Colophospermum mopane, with distance from the dam were compared. Combretum apiculatum parameters were more sensitive to impact associated with the dam than those of Colophospermum mopane.

Keywords

woody vegetation, water provision, impact, elephant damage, Kruger National Park.

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