Changes to the vegetation of the mid‐Fish River valley, Eastern Cape, South Africa, in response to land‐use, as revealed by a direct gradient analysis

African Journal of Range and Forage Science

Volumn 14, Issue 2, 1997, Pages 68-74

  Evans, N V ^a   Avis, A M ^a   Palmer, A R ^b  

^a RHODES UNIVERSITY   (South Africa)

^b ARC Range and Forage Institute   (South Africa)

Author keywords

Direct gradient analysis; Grazing gradient; Thicket Biome; TWINSPAN

Indexed keywords

EID: 85006942715     PISSN: 10220119     EISSN: 17279380     Source Type: Journal    
DOI: 10.1080/10220119.1997.9647923     Document Type: Article

References (25)

1. Acocks JPH 1953. Vekl types of South Africa. Memoirs of the Botanical Survey of South Africa 57.
2. Allen RB, Peet RK & Baker WL 1991. Gradient analysis of latitudinal variation in Southern Rocky Mountain Forests. Journal of Biogeography 18:132-139.
3. Brown JH & McDonald W 1995. Livestock grazing and conservation on southwestern rangelands. Conservation Biology 9:1644-1647.
4. Barker JR, Herlocker DJ & Younge SA 1989. Vegetal dynamics along a grazing gradient within the coastal grassland of central Somalia. African Journal of Ecology 27:283-289.
5. Danckwerts JE & Teague WR 1989. Veld management in the Eastern Cape. Department of Agriculture & Water Supply, Pretoria.
6. Dnnscrvau P 1951. Description and recording vegetation upon a structural basis. Ecology 32:172-229.
7. Dent MC, Lynch SD & Schulze RE 1989. Mapping mean annual and other rainfall statistics in southern Africa. ACRU Report 27, Department of Agricultural Engineering, University of Natal, Pietermaritzburg.
8. Everard DA 1987. A classification of the Subtropical Transitional Thicket in the eastern Cape, based on syntaxonomic and structural attributes. South African Journal of Botany 53:329-340.
9. Everard DA 1990. Is Subtropical Tliicket the "Missing biome" of South Africa? In: Zacharias PJK, Stuart-Hill GC & Midgley J (eds). Proceedings of the first Valley Bush veld/ Subt ropical Thicket symposium. Grassland Society of Southern Africa, Pietermaritzburg.
10. Hill MO 1979. TWIN SPAN-A Fortran program for arranging multivariate data in an ordered two-way table by classification of the individuals and attributes. Ecology and Systematic, Cornell University, New York.
11. Hoffman MT & Everard DA 1987. Neglected ami abused-the eastern Cape subtropical thickets. Veld & Flora 73:18-20.
12. Hoffman MT & Cowling RM 1990. Desertification in the lower Sundays River Valley, South Africa. Journal of Arid Environments 19:105-117.
13. Hoffman MT & Cowling RM 1991. Phytochorolgy ami endemism along aridity and grazing gradients in the lower Sundays River Valley, South Africa: implications for vegetation history. Journal of Biogeography 18:189-201.
14. La Cock GD, Palmer AR, Everard DA 1990. Re-assessment of the area ami conservation status of Subtropical Transitional Thicket (Valley Bushveld) in the Eastern Cape, South Africa. South African Journal of Programmetry, Remote Sensing and Cartography 15:231-235.
15. Marker ME 1990. Environmental variables acting on Valley Bushveld. In: Zacharias PJK, Stuart-Hill GC & Midgley J (eds). Proceedings of the first Valley Bushveld/Subtropical Thicket symposium. Grassland Society of Southern Africa, Pietermaritzburg.
16. Noss RF 1994. Cows and conservation biology. Conservation Biology 8:613-616.
17. O'Reagain PJ & Grau EA 1995. Setjuence of species selection by cattle ami sheep on South African sourveld. Journal of Range.Management 48:314-321.
18. Palmer AR 1981. A study of the vegetation of the Andries Vosloo Kudu Reserve. MSc thesis, Rhodes University, Graliamstown.
19. Palmer AR & Avis AM 1994. The description, mapping and evaluation of recent changes in the contemporary vegetation pattern of the Mid-Fish River Valley. Report prepare"I for LAPC, Johannesburg.
20. Palmer AR, Crook BJS & Lubke RA 1988. Aspects of the vegetation and soil relationships in the Andries Vosloo Kudu Reserve, Cape Province. South African Journal of Botany. 54:309-314.
21. Parker KC 1991. Topography, substrate, and vegetation patterns in the northern Sonoran Desert. Journal of Biogeography 18:151-163.
22. Schlesinger WH, Reynolds JF, Cunningham GL, Huenneke LF, Jarrell WM, Virginia RA & Whitford WG 1990. Biological feedbacks in global desertification. Science 247:1043-1047.
23. Taggart JB 1994. Onlination as an aid in determining priorities for plant community protection. Biological Conservation 68:135-141.
24. Tainton NM 1981. Veld and pashire management in South Africa. Shuter & Shooter, Pietermaritzburg.
25. Whittaker RH 1973. Ordination and classification of communities. W Junk, The Hague.