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- Parker, D.M.; Bernard, R.T.F.; Adendorff, J.
- Rangeland journal 2009 v.31 no.4 pp. 395-403
- grasslands; rangelands; Loxodonta africana; woody plants; population density; grazing intensity; rangeland soils; ecological function; aggregate stability; infiltration (hydrology); biogeochemical cycles; landscape ecology; vegetation structure; habitat fragmentation; South Africa
- ... The impact of elephants (Loxodonta africana) on woody plants is well known. Elephants can be regarded as drivers of ecosystem functioning by, for example, decreasing woody plant litter accumulation through defoliation. However, their influence within grassland landscapes is, by comparison, very poorly understood. We assessed the influence of elephants on grassland functionality at three separate s ...
- Stokes, C.J.; Yeaton, R.I.; Bayer, M.B.; Bestelmeyer, B.T.
- Rangeland journal 2009 v.31 no.4 pp. 385
- rangelands; environmental monitoring; environmental degradation; range management; landscape ecology; landscapes; spatial data; plant communities; sward; grazing; shrublands; ground vegetation; vegetation structure; vegetation cover; canopy; plant density; Southern Africa
- ... When choosing which environmental attributes to monitor in assessing disturbance, it is important to consider not only which metric will provide the most sensitive indicator of disturbance, but also the spatial considerations of where in the landscape that metric will be most responsive to change. Degradation in landscapes is often unevenly expressed because: (i) disturbance is spatially localised ...