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The objectives of this study were to identify the major physical environmental variables affecting plant community distribution, and to determine whether a shift occurred in plant community position along an environmental gradient of different land-use practises. To achieve these objectives the...
The investigation was conducted on an area covered by a dense stand of Colophospermum mopane. Seven plots (65 m × 180 m) were subjected to different intensities of tree thinning, ranging from a totaly cleared plot (0%) to plots thinned to the equivalent of 10%, 20%, 35%, 50% and 75% of the leaf...
The foggage acceptability of Digitaria eriantha Steud., Anthephora pubescens, Panicum maximum (cultivar Green panic) and Cenchrus ciliaris (cultivar Gayndah), subjected to three different treatments during the growing season, were evaluated during three seasons (1987/1988, 1988/1989 and...
The rate and pattern of bush encroachment in the grasslands and savannas of the Kei Road-Komga region of the Eastern Cape were quantified by analysis of nine sets of aerial photographs taken between 1937 and 1986. Woody cover increased from 17% to 35% over this period. with most of the increase...
The interaction between multi-species bushclumps and the herbaceous layer was investigated in a mesic Eastern Cape bushclump savanna. Bushclumps had a moderating effect on their microclimate when compared with the open grassland: lower maximum and higher minimum temperatures. higher humidity and...
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