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Berkeley, A., Thomas, A.D. and Dougill, A.J. 2005. Cyanobacterial soil crusts and woody shrub canopies in Kalahari rangelands. African Journal of Ecology, 43(2): 137-145


Description:

This study aims to investigate one element of this ecological change by examining the spatial distribution of cyanobacterial soil crusts in two vegetation sub-habitats at sites of different disturbance.

Summary / Notes:

Intensive grazing of Kalahari rangelands has led to woody plant encroachment, notably of Acacia mellifera and Grewia flava. The mechanisms causing this process, and the ecological stability of woody plant encroached ecosystems, remain uncertain. Past studies suggest that canopy–soil relations may enhance woody plant competitive dominance. Key words: Acacia mellifera, cyanobacterial soil crusts, Grewia flava, Kalahari, woody shrub encroachment.

Year: 2005

Type: Journal Article

URL: http://homepages.see.leeds.ac.uk/~lecajd/papers/Berkeley%20et%20al%20(2005).pdf


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