Influence of variations in land use intensity on species diversity and abundance of small mammals in the Nama Karoo, Namibia

Belgian Journal of Zoology

Volumn 135, Issue SUPPL.1, 2005, Pages 91-96

  Hoffmann, Anke ^a   Zeller, Ulrich ^a  

^a LEIBNIZ INSTITUTE FOR EVOLUTION AND BIODIVERSITY SCIENCE   (Germany)

Author keywords

Fence line contrast; Gerbillurus; Land use; Nama karoo; Namibia; Rodent ecology; Tatera

Indexed keywords

ARTHROPODA; GERBILLINAE; GERBILLURUS; GERBILLURUS VALLINUS; MAMMALIA; RODENTIA; TATERA LEUCOGASTER;

EID: 60849130039     PISSN: 07776276     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (53)

1. ABRAMSKY, Z. (1988). The role of habitat and productivity in structuring desert rodent communities. Oikos, 52: 107-114.
2. AVENANT, N.L. (2000). Small mammal community characteris-tics as indicators of ecological disturbance in Willem Preto-rius Nature Reserve, Free State, South Africa. South African Journal of Wildlife Research, 30 (1): 26-33.
3. BARNARD, P., C.J. BROWN, A.M. JARVIS, A. ROBERTSON & L. VAN ROOYEN (1998). Extending the Namibian protected area network to safeguard hotspots of endemism and diversity. Biodiversity and Conservation, 7: 531-547.
4. BOND, W., M. FERGUSON & G. FORSYTH (1980). Small mammals and habitat structure along altitudinal gradients in the south-ern Cape mountains. South African Journal of Zoology, 15: 34-43.
5. BOWLAND, A.E. & M.R. PERRIN (1989). The effect of overgraz-ing on small mammals in Umfolozi Game Reserve. Zeitschrift für Säugetierkunde, 54: 251-260.
6. BRONNER, G. & J. MEESTER (1987). Comparison of methods for estimating rodent numbers. South African Journal of Wildlife Research, 17 (2): 59-63.
7. CHRISTIAN, D.P. (1980). Vegetative cover, water resources, and microdistributional patterns in a desert rodent community. Journal of Animal Ecology, 49: 807-816.
8. COWLING, R.M. (1986). A description of the Karoo Biome Project. South African National Scientific Programmes Report 122, Pretora.
9. DeGraaff, G. (1981). The rodents of Southern Africa. Durban, Butterworths.
10. DEAN, W.R.J. & S.J. MILTON (1995). Plant and invertebrate assemblages on old fields in the arid southern Karoo, South Africa. African Journal Ecology, 33: 1-13.
11. DEAN, W.R.J. & S.J. MILTON (1999). The Karoo. Ecological pat-terns and processes. Cambridge University Press, Cam-bridge.
12. DELANY, M.J. (1964). An ecological study of the small mam-mals in the Queen Elizabeth Park, Uganda. Revue de Zoolo-gie et de Botanique Africaines, 70 (1-2): 129-147.
13. DELANY, M.J. & D.C.D. HAPPOLD (1979). Ecology of African mammals. Longman, London and New York, 434pp.
14. DEMPSTER, E.R., M.R. PERRIN & C.T. DOWNS (1999). Gerbillu-rus vallinus. Mammalian Species, 605: 1-4.
15. ELS, L.M. & G.I.H. KERLEY (1996). Biotic and abiotic correlates of small mammal community structure in the Groendal Wil-derness Area, Eastern Cape, South Africa. Koedoe, 39 (2): 121-130.
16. FABRICIUS, C., M. BURGER & P.A.R. HOCKEY (2003). Comparing biodiversity between protected areas and adjacent rangeland in xeric succulent thicket, South Africa: arthropods and rep-tiles. Journal of Applied Ecology, 40: 392-403.
17. GRANT, W.E., E.C. BIRNEY, N.R. FRENCH & D.M. SWIFT (1982). Structure and productivity of grassland small mammal com-munities related to grazing-induced changes in vegetative cover. Journal of Mammalogy, 63: 248-260.
18. HOFFMAN, M.T., B. COUSINS, T. MEYER, A. PETERSEN & H. HEN-DRIKS (1999). Historical and contemporary agricultural land use and the deserfication of the Karoo. In: DEAN, W.R.J. & S.J. MILTON (eds), The Karoo. Ecological patterns and proc-esses, Cambridge University Press, Cambridge: 257-273.
19. HOFFMANN, A. (1999). Habitatnutzung und Populationsdynamik von Kleinsäugern im Grasland des Queen Elizabeth National Park, Uganda. Dissertation, Technische Univer-sität Braunschweig, (http://www.biblio.tubs.de/ediss/data/20000114a/20000114a.html).
20. HOFFMANN, A., K. VOHLAND, P. GIERE & U. ZELLER (2003). Influence of grazing intensity on biodiversity of small mam-mals and arthropods in the Nama Karoo of southern Namibia. Abstract. In: Arid Zone Ecology Forum Confer-ence 2003, Kathu, South Africa.
21. HUGHES, J.J., D. WARD & M.R. PERRIN (1994). Predation risk and competition affect habitat selection and activity of Namib desert gerbils. Ecology, 75 (5): 1397-1405.
22. HUGO, A. (1990). Wiederfangerfolg bei Kleinsäugern mit einer neuen Markierungsmethode. Zeitschrift für Säugetierkunde, 55: 421-424.
23. JOUBERT, D.F. & P.G. RYAN (1999). Differences in mammal and bird assemblages between commercial and communal range-lands in the Succulent Karoo, South Africa. Journal of Arid Environment, 43: 287-299.
24. KEESING, F. (1998). Ecology and behavior of the pouched mouse, Saccostomus mearnsi, in central Kenya. Journal Mammalogy, 79 (3): 919-931.
25. KEESING, F. & T. CRAWFORD (2001). Impacts of density and large mammals on space use by the pouched mouse (Saccos-tomus mearnsi) in central Kenya. Journal of Tropical Ecol-ogy, 17: 464-472.
26. KERLEY, G.I.H. (1992a). Small mammal seed consumption in the Karoo, South Africa: further evidence for divergence in desert biotic processes. Oecologia, 89: 471-475.
27. KERLEY, G.I.H. (1992b). Ecological correlates of small mammal community structure in the semi-arid Karoo, South Africa. Journal of Zoology, London, 227: 17-27.
28. KOTLER, B.P. (1984). Risk of predation and the structure of desert rodent communities. Ecology, 65: 689-701.
29. LACK, D. (1954). The natural regulation of animal numbers. Oxford, Clarendon Press.
30. LLOYD, J.W. (1999). Nama Karoo. In: J. KNOBEL (ed), The mag-nificent natural heritage of South Africa, Sunbird Publish-ing, Cape Town, South Africa: 84-93.
31. LONDO, G. (1975). De decimale schaal foor vegetatiekundlige opnamen van permanente Kwadraten. Gorteria, 7 (7): 101-106.
32. LOVEGROVE, B. (1993). The living deserts of southern Africa. Fernwood Press, Cape Town.
33. MENDELSOHN, J., C. ROBERTS & T. ROBERTSON (2002). Atlas of Namibia. A portrait of the land and its people. Publisher: Ministry of environment and Tourism of Namibia, Cape Town.
34. MONADJEM, A. (1997). Habitat preferences and biomasses of small mammals in Swaziland. African Journal of Ecology, 35: 64-72.
35. MONADJEM, A. (1999). Population dynamics of Mus minutoides and Steatomys pratensis (Muridae: Rodentia) in a subtropi-cal grassland in Swaziland. African Journal of Ecology, 37: 202-210.
36. NEAL, B.R. (1991). Seasonal changes in reproduction and diet of the Bushveld gerbil, Tatera leucogaster (Muridae: Roden-tia), in Zimbabwe. Zeitschrift für Säugetierkunde, 56: 101-111.
37. NEL, J.A.J., I.L. RAUTENBACH & G.J. BREYTENBACH (1980). Mammals of the Kammanassie Mountains, southern Cape Province. South African Journal of Zoology, 15: 255-261.
38. NOY-MEIR, I., M. GUTMAN & Y. KAPLAN (1989). Responses of Mediterranean grassland plants to grazing and protection. Journal of Ecology, 77: 290-310.
39. NYAKO-LARTEY, Q. & R.M. BAXTER (1995). The effects of dif-ferent grazing regimes on the population dynamics of small mammals in the Eastern Cape. Transvaal Royal Society of South Africa, 50 (2): 143-151.
40. OLSVIG-WHITTAKER, L.S., P.E. HOSTEN, I. MARCUS & E. SHO-CHAT (1993). Influence of grazing on sand field vegetation in the Negev Desert. Journal of Arid Environment, 24: 81-93.
41. PEARSON, O.P. (1971). Additional measurements of the impact of carnivores on California voles (Microtus californicus). Journal of Mammalogy, 52: 41-49.
42. PERRIN, M.R. & P. SWANEPOEL (1987). Breeding biology of the bushveld gerbil Tatera leucogaster in relation to diet, rainfall and life history theory. South African Journal of Zoology, 22 (3): 218-227.
43. PRICE, M.V. & S.H. JENKINS (1986). Rodents as seed consumers and dispersers. In: MURRAY, D.R. (ed), Seed dispersal, Aca-demic Press, Australia: 191-235.
44. RIVERS-MOORE, N.A. & M.J. SAMWAYS (1996). Game and cattle trampling, and impact of human dwellings on arthropods at a game park boundary. Biodiversity and Conservation, 5: 1545-1556.
45. ROSENZWEIG, M.L. & J. WINAKUR (1969). Population ecology of desert rodent communities: habitats and environmental complexity. Ecology, 50 (4): 558-572.
46. ROWE-ROWE, D.T. & T. MEESTER (1982). Habitat preferences and abundance relations of small mammals in Natal Draken-sberg. South African Journal of Zoology, 17: 202-209.
47. SEYMOUR, C.L. & W.R.J. DEAN (1999). Effects of heavy grazing on invertebrate assemblages in the Succulent Karoo, South Africa. Journal of Arid Environment, 43: 267-286.
48. SKINNER, J.D. & R.H.N. SMITHERS (1990). The mammals of the southern African subregion. Pretoria, University of Pretoria.
49. SMITHERS, R.H.N. (1983). The mammals of the southern African subregion. Pretoria, University of Pretoria.
50. TODD, S.W. & M.T. HOFFMAN (1999). A fence-line contrast reveals effects of heavy grazing on plant diversity and com-munity composition in Namaqualand, South Africa. Plant Ecology, 142: 169-178.
51. VENTER, J.M., C. MOCKE & J.M. DE JAGER (1986). Climate. In: CROWLING, R.M., P.W. ROUX & A.J.H. PIETERSE (eds), The Karoo Biome: a preliminary synthesis. Part 1. Physical Environment. South African National Scientific Programmes Report 124, Pretoria.
52. VOHLAND, K., M. UHLIG, E. MARAIS, A. HOFFMANN & U. ZELLER (2005): Impact of different grazing systems on diversity, abundance and biomass of beetles (Coleoptera), a study from Southern Namibia. Mitteilungen aus dem Museum für Naturkunde in Berlin, Zoologische Reihe, 81 (2): 131-143.
53. ZELLER, U. (2003). Functional zoodiversity in biomes of south-ern Africa and its changes by land-use and environment. In: BIOTA Southern Africa. Towards sustainable use of biodi-versity. Published by University of Hamburg, Botanical Institute and Botanical Garden, Volume I: 231-264.