Grasslands of the Maputaland coastal plain are biologically diverse and provide a variety of ecosystems services. Yet grasslands in this region are vulnerable to continuing development by plantation forestry which provide economic benefits to local communities. In order to provide a framework for land use that maintains grassland heterogeneity in complex agroecological systems, this paper characterises the main relations between grassland species composition with the physical environment and forestry plantation disturbance. Grassland species composition corresponded with landscape position and soil organic carbon. Grasslands occurring in infertile, elevated landscape positions were the most diverse having a greater richness of tufted graminoids, herbaceous forbs, and geoxylic suffrutices than grassland occurring in low-lying dystrophic sites, which were dominated by rhizomatous and stoloniferous graminoids. Previously afforested grasslands (i.e. secondary grassland) were species poor, lacked keystone grasses such as Themeda triandra, were dominated by a few species of rhizomatous or stoloniferous grasses, and had been colonised by pioneer or ruderal forbs. Grassland species composition affects the provision of ecosystem services so to maintain a full complement of these attributes, grassland landscapes in Maputaland should comprise intact grasslands which cover both elevated and low-lying topographic positions. * Tukey's post-hoc test, different in subscripts indicate significant differences in mean values among variables (p < 0.05) * Significant differences between grasslands were p < 0.05, bold F values show rows values that were significantly different across grassland types
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