共 56 条
[41]
*S AFR GOV, 1997, WHIT CONS SUST US S
[42]
*SA DEAT, 1999, NAT STAT ENV REP
[43]
*SA DWAF, 2003, WORK WAT PROGR
[44]
SCHULZE R E., 1997, Vegetation of Southern Africa
[45]
Scoones I., 1992, Land Degradation & Rehabilitation, V3, P99, DOI 10.1002/ldr.3400030204
[46]
SHACKLETON CM, 2002, UNCOVERING HIDDEN HA
[49]
Snyman H. A., 1986, Journal of the Grassland Society of Southern Africa, V3, P153
[50]
Tainton NM, 1989, BIOTIC DIVERSITY SO