Differences in mammal and bird assemblages between commercial and communal rangelands in the Succulent Karoo, South Africa

Journal of Arid Environments

Volumn 43, Issue 3, 1999, Pages 287-299

  Joubert, D F ^a   Ryan, P G ^a  

^a UNIVERSITY OF CAPE TOWN   (South Africa)

Author keywords

Arid rangelands; Birds; Grazing; Livestock impacts; Small mammals; Succulent Karoo

Indexed keywords

AVIFAUNA; COMMERCIAL ACTIVITY; COMMON LAND; COMMUNITY COMPOSITION; MAMMAL; RANGELAND;

NAMAQUALAND; NORTHERN CAPE; SOUTH AFRICA;

AVES; CAPRA HIRCUS; MAMMALIA; OTIDIDAE; OVIS ARIES;

EID: 0032746049     PISSN: 01401963     EISSN: None     Source Type: Journal    
DOI: 10.1006/jare.1999.0553     Document Type: Article

References (40)

1. Abel N. O.J. Reducing cattle numbers on southern African communal range: Is it worth it? Behnke R. H. Jr., Scoones I., Kerven C. Range ecology at disequilibrium: New models of natural variability and pastoral adaptation in African savannas. 1993;173-195 Overseas Development Institute, London.
2. Abramsky Z. The role of habitat and productivity in structuring desert rodent communities. Oikos. 52:1988;107-114.
3. Abramsky Z., Rosenzweig M. L. Tilman's predicted productivity-diversity relationships shown by desert rodents. Nature. 309:1984;150-151.
4. Baker D. L., Guthery F. S. Effect of continuous grazing on habitat and density of ground-foraging birds in south Texas. Journal of Range Management. 43:1990;2-5.
5. Bibby C. J., Burgess N. D., Hill D. A. Bird census techniques. 1992;Academic Press, London.
6. Bock C. E., Webb B. Birds as grazing indicator species in southeastern Arizona. Journal of Wildlife Management. 48:1984;1045-1049.
7. Bock C. E., Bock J. H., Kenney W. R., Hawthorne V. M. Responses of birds, rodents, and vegetation to livestock exclosures in a semidesert grassland site. Journal of Range Management. 37:1984;239-242.
8. Bond W., Ferguson M., Forsyth G. Small mammals and habitat structure along altitudinal gradients in the southern Cape mountains. South African Journal of Zoology. 15:1980;34-43.
9. Bosch O. J.H. Degradation of the semi-arid grasslands of southern Africa. Journal of Arid Environments. 16:1989;143-147.
10. Briggs S. V. Native small mammals and reptiles in cropped and uncropped parts of lakebeds in semi-arid Australia. Wildlife Research. 23:1996;629-636.
11. Bronner G., Meester J. Comparison of methods for estimating rodent numbers. South African Journal of Wildlife Research. 17:1987;59-63.
12. Christian D. P. Vegetative cover, water resources, and microdistributional patterns in a desert rodent community. Journal of Animal Ecology. 49:1980;807-816.
13. Cowling R. M., Hilton-Taylor C. Patterns of plant diversity and endemism in southern Africa: an overview. Strelitzia. 1:1994;31-52.
14. Dean W. R.J. Where birds are rare or fill the air: the protection of the endemic and the nomadic avifaunas of the Karoo. 1995;University of Cape Town, Cape Town.
15. Dean W. R.J., Hockey P. A.R. An ecological perspective of lark (Alaudidae) distribution and diversity in the southwest-arid zone of Africa. Ostrich. 60:1989;27-34.
16. Dean W. R.J., Siegfried W. R. The protection of endemic and nomadic avian diversity in the Karoo, South Africa. South African Journal of Wildlife Research. 27:1997;11-21.
17. Dean W. R.J., Milton S. J., du Plessis M. A., Siegfried W. R. Dryland degradation: symptoms, stages, and hypothetical cures. Roundy B. A., McArthur E. D., Haley J. S., Mann D. K. Proceedings: wildland shrub and arid land restoration symposium. 1995.
18. Els L. M., Kerley G. I.H. Biotic and abiotic correlates of small mammal community structure in the Groendal Wilderness Area, Eastern Cape, South Africa. Koedoe. 39:1996;121-130.
19. Grant W. E., Birney E. C., French N. R., Swift D. M. Structure and productivity of grassland small mammal communities related to grazing-induced changes in vegetative cover. Journal of Mammalogy. 63:1982;248-260.
20. Hilton-Taylor C., Le Roux A. Conservation status of the fynbos and karoo biomes. Huntley B. J. Biotic diversity in southern Africa. 1989;202-223 Oxford University Press, Oxford.
21. Kelly R. D., Walker B. H. The effects of different forms of land use on the ecology of a semi-arid region in south-eastern Rhodesia. Journal of Ecology. 62:1977;553-574.
22. Kerley G. I.H. Seed removal by rodents, birds and ants in the semi-arid Karoo, South Africa. Journal of Arid Environments. 20:1991;63-69.
23. Kerley G. I.H. Ecological correlates of small mammal community structure in the semi-arid Karoo, South Africa. Journal of Zoology, London. 227:1992a;17-27.
24. Kerley G. I.H. Trophic status of small mammals in the semi-arid Karoo, South Africa. Journal of Zoology, London. 226:1992b;563-572.
25. Kerley G. I.H., Knight M. H., Erasmus T. Small mammal microhabtat use anddiet in the southern Kalahari, South Africa. South African Journal of Wildlife Research. 20:1990;123-126.
26. Maclean G. L. Robert's birds of South Africa. 1993;John Voelcker Bird Book Fund, Cape Town.
27. Milton S. J., Dean W. R.J., du Plessis M. A., Siegfried W. R. A conceptual model of arid rangeland degradation. Bioscience. 44:1994;70-76.
28. Morton S. R. Granivory in arid regions: comparison of Australia with North and South America. Ecology. 66:1985;1859-1866.
29. Mueller-Dombois D., Ellenberg H. Aims and methods of vegetation ecology. 1974;John Wiley and Sons, New York.
30. Nagy K. A. Field metabolic rate and food requirement scaling in mammals and birds. Ecological Monographs. 57:1987;111-128.
31. Pielou E. C. Ecological diversity. 1975;John Wiley and Sons, New York.
32. Rutherford M. C., Westfall R. H. Biomes of Southern Africa - an objective categorisation. Memoirs of the Botanical Survey of South Africa. 54:1986;1-98.
33. Scoones I. Living with uncertainty: new directions in pastoral development in Africa. 1995;IIED/Intermediate Technical Publication, London.
34. Seymour C. L., Dean W. R.J. Effects of heavy grazing on invertebrate assemblages in the Succulent Karoo, South Africa. Journal of Arid Environments. 43:1999;267-286.
35. Shackleton C. M. Are the communal grazing lands in need of saving? Development Southern Africa. 10:1993;60-71.
36. Siegfried W. R. Preservation of species in southern African nature reserves. Huntley B. J. Biotic diversity in southern Africa. 1989;186-201 Oxford University Press, Oxford.
37. Skinner J. D., Smithers R. H.N. The mammals of the southern African subregion. 1990;University of Pretoria, Pretoria.
38. Todd, S. Hoffman, M. T. The effects of heavy grazing on plant species diversity and community composition in a communally managed, semi-arid shrubland, Namaqualand, South Africa, Plant Ecology.
39. Willans K. Design and field tests of a modified small mammal live trap. South African Journal of Zoology. 14:1979;81-84.
40. Zar J. H. Biostatistical analysis. 1996;Prentice-Hall, London.