Evidence from field-based studies of rates of soil erosion on degraded land in the central Karoo, South Africa

Geomorphology

Volumn 103, Issue 3, 2009, Pages 455-465

  Keay Bright, James ^a   Boardman, John ^a  

^a UNIVERSITY OF OXFORD   (United Kingdom)

Author keywords

Badlands; Erosion pins; Gullies; Land degradation; Soil erosion

Indexed keywords

BADLANDS; CHANNEL MORPHOLOGY; EROSION RATE; GULLY EROSION; LAND DEGRADATION; LANDFORM EVOLUTION; RIVER CHANNEL; SOIL EROSION;

AFRICA; KAROO; SOUTH AFRICA; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

EID: 56249130028     PISSN: 0169555X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.geomorph.2008.07.011     Document Type: Article

References (57)

1. Acocks J.P.H. Veld types of South Africa. Memoirs of the Botanical Survey of South Africa 28 (1953) 1-192
2. Acocks J.P.H. Veld types of South Africa. Memoirs of the Botanical Survey of South Africa 28 (1988) 1-146
3. Alexander R.W., Harvey A.M., Calvo A., James P.A., and Cerda A. Natural stabilisation mechanisms on badland slopes: Tabernas, Almeria, Spain. In: Millington A.C., and Pye K. (Eds). Environmental Change in Drylands (1994), Wiley, Chichester 85-111
4. Anon. In: Tyson P.D. (Ed). Climatic Change and Variability in Southern Africa (1877), Oxford University Press, Oxford 1986
5. Avery D.M. Micromammals, owls and vegetation change in the Eastern cape Midlands, South Africa, during the last millennium. South African Journal of Science 88 (1991) 483-489
6. Barrow C.J. Land Degradation (1991), Cambridge University Press, Cambridge
7. Boardman J. Soil erosion: the challenge of assessing variation through space and time. In: Goudie A.S., and Kalvoda J. (Eds). Geomorphological Variations (2007), Nakladatelsti P3K, Prague 205-220
8. Boardman J., and Foster I.D.L. Badland and gully erosion in the Karoo, South Africa. Journal of Soil and Water Conservation 63 4 (2008) 121-125
9. Boardman J., Parsons A.J., Holmes P.J., Holland R., and Washington R. Development of badlands and gullies in the Sneeuberg, Great Karoo, South Africa. Catena 50 (2003) 165-184
10. Bond W.J., Stock W.D., and Hoffman M.T. Has the Karoo spread? A test for desertification using carbon isotopes from soils. Suid-Afrikaanse Tydskrif vir Wetenskap 90 (1994) 391-397
11. Bousman B., and Scott L. Climate or grazing?: the palynological evidence for vegetation change in the eastern Karoo. South African Journal of Science 90 (1994) 575-578
12. Briggs D. Sources and Methods in Geography: Sediments (1977), Butterworths, London
13. In: Carver R.E. (Ed). Procedures in Sedimentary Petrology (1971), Wiley, New York
14. Dean W.R.J., Hoffman M.T., Meadows M.E., and Milton S.J. Desertification in the semi-arid Karoo, South Africa: review and reassessment. Journal of Arid Environments 30 (1995) 247-264
15. Fanning P. Recent landscape history in arid western New South Wales, Australia: a model for regional change. Geomorphology 29 (1999) 191-209
16. Foster I.D.L., Boardman J., Keay-Bright J.R.F., and Meadows M.E. Land degradation and sediment dynamics in the South African Karoo. Proceedings 7th Scientific Assembly (2005), IAHS, Foz do Iguacu, Brazil 4-9 April
17. Foster I.D.L., Boardman J., and Keay-Bright J. Sediment tracing and environmental history for two small catchments, Karoo Uplands, South Africa. Geomorphology 90 (2006) 126-143
18. Fox R. Agriculture and rural development. In: Fox R., and Rowntree K. (Eds). The Geography of South Africa in a Changing World (2000), Oxford University Press, Cape Town
19. Geological Survey of South Africa, 1967. Geological map of Middelburg District.
20. Haigh, M.J., 1977. The use of erosion pins in the study of slope evolution. In: Shorter Technical Methods (II), Technical Bulletin No 18, British Geomorphological Research Group, Geo Books, Norwich, UK, pp. 31-49.
21. Harvey A.M. Holocene hillslope gully systems in the Howgill Fells, Cumbria. In: Anderson M.G., and Brooks S.M. (Eds). Advances in Hillslope Processes vol. 2 (1996), Wiley, Chichester 731-752
22. Hoffman M.T., and Cowling R.M. Desertification in the lower Sundays River Valley, South Africa. Journal of Arid Environments 19 (1990) 105-117
23. Hoffman M.T., Todd S.W., Ntshona Z.M., and Turner S.D. Land Degradation in South Africa (1999), Department of Environmental Affairs and Tourism, South Africa
24. Hoffman M.T., Cousins B., Meyer T., Petersen A., and Hendricks H. Historical and contemporary land use and the desertification of the Karoo. In: Richard W., Dean J., and Milton S.J. (Eds). The Karoo: Ecological Patterns and Processes (1999), Cambridge University Press, Cambridge 257-273
25. Hoffman M.T., Allsopp N., and Rohde R.F. Sustainable land use in Namaqualand. Journal of Arid Environments 70 (2007) 561-569
26. Holmes P.J., Boardman J., Parsons A.J., and Marker M.E. Geomorphological palaeoenvironments of the Sneeuberg Range. Great Karoo, South Africa. Journal of Quaternary Science 18 (2003) 801-813
27. Hudson N.W. Field Measurements of Erosion and Run Off. Soils Bulletin 68 (1993), FAO, Rome 121-127
28. 2 climate. International Journal of Climatology 16 (1996) 1149-1158
29. Keay-Bright J., and Boardman J. Changes in the distribution of degraded land over time in the central Karoo, South Africa. Catena 67 (2006) 1-14
30. Keay-Bright J., and Boardman J. The influence of land management on soil erosion in the Sneeuberg Mountains, Central Karoo, South Africa. Land Degradation and Development 18 (2007) 423-439
31. Keay-Bright, J., Washington, R., Boardman, J. in preparation. Changes in observed characteristics of daily rainfall and evidence for Climate Change in the Sneeuberg Mountains of the Central Karoo, South Africa.
32. King C.A.M. Techniques in Geomorphology (1966), Edward Arnold, London
33. le Roux P.M., Kotzé C.D., Nel G.P., and Glen H.F. Bossieveld (1994), Department of Agriculture, Pretoria
34. Lovegrove B. The Living Deserts of Southern Africa (1993), Fernwood Press, Vlaeberg, South Africa
35. Mason S.J., and Joubert A.M. Simulated changes in extreme rainfall over southern Africa. International Journal of Climatology 17 (1997) 291-301
36. Meadows M., and Hoffman T. Land degradation and climate change in South Africa. Geographical Journal 169 (2003) 168-177
37. Meadows M.E., and Sugden J.M. Late Quaternary environmental changes in the Karoo, South Africa. In: Dardis G.F., and Moon B.P. (Eds). Geomorphological Studies in Southern Africa (1988), Balkema, Rotterdam 337-353
38. Morgan, R.P.C., 2005. Soil Erosion and Conservation, Third edition. Blackwell, Oxford.
39. Palmer A.R., and Hoffman M.T. Nama Karoo. In: Cowling R.M., Richardsom D.M., and Pierre S.M. (Eds). Vegetation of Southern Africa (1997), Cambridge University Press, Cambridge
40. Patton P.C., and Schumm S.A. Ephemeral-stream processes: implications for studies of Quaternary valley fills. Quaternary Research 15 (1981) 24-43
41. Prosser I.P., and Winchester S.J. History and processes of gully initiation and development in eastern Australia. Zeitschrift für Geomorphologie N.F. Supplementband 105 (1996) 91-109
42. Roux P.W., and Theron G.K. Vegetation change in the Karoo biome. In: Cowling R.M., and Roux P.W. (Eds). The Karoo: A Preliminary Synthesis Part 2-Vegetation and History. South Africa National Scientific Programmes. Report 142 (1987), South Africa National Scientific Programmes
43. Rowntree K.M. Equilibrium concepts, vegetation change and soil erosion in semi-arid areas-some considerations for the Karoo. In: Dardis G.F., and Moon B.P. (Eds). Geomorphological Studies in Southern Africa (1988), Balkema, Rotterdam 175-185
44. Sampson C.G., and Plug I. Late Holocene and historical bone midden density in rock shelters of the upper Seacow River Valley. Southern African Field Archaeology 4 (1993) 84-94
45. Schumm S.A. Evolution of drainage systems and slopes in badlands at Perth Amboy. New Jersey. Geological Society of America Bulletin 67 (1956) 597-646
46. Sirvent J., Desir G., Gutierrez M., Sancho C., and Benito G. Erosion rates in badland areas recorded by collectors, erosion pins and profilometer techniques (Ebro Basin, NE Spain). Geomorphology 18 (1997) 61-75
47. Smith P.D., and Thomasson A.J. Density and water release characteristics. In: Avery B.W., and Bascomb C.L. (Eds). Soil Survey and Laboratory Methods (1974), Harpenden Press, Hertfordshire 42-56
48. Stallings, J.H., 1957. Soil Conservation. Prentice-Hall, Eaglewood Cliffs, N.J.
49. Stocking M.A., and Murnaghan N. Hand Book for the Field Assessment of Land Degradation (2001), Earthscan Publications Ltd., London
50. Sugden J.M., and Meadows M.E. The use of multiple discriminant analysis in reconstructing recent vegetation changes on the Nuweveldberg, South Africa. Review of Paleobotany & Palynology 60 (1989) 131-147
51. Thornes J.B. The ecology of erosion. Geography 70 (1985) 222-234
52. Torri D., Regües Muñoz D., Pellegrini S., and Bazzoffi P. Within-storm soil surface dynamics and erosive effects of rainstorms. Catena 32 (1999) 131-150
53. Van der Heyden F., and Stock W.D. The morphology and physiology of the major forage plants: Karoo shrubs. In: Tainton N.M. (Ed). Veld Management in South Africa (1999), University of Natal Press, Pietermaritzburg 80-85
54. Webb R.H., and Hereford R. Floods and geomorphic change in the southwestern United States: an historical perspective. Proceedings of the 7th Federal Interagency Sedimentation Conference, March 25-29, Reno, Nevada, USA (2001) IV 30-IV37
55. Weigand T., and Milton S.J. Vegetation change in semiarid communities: simulating probabilities and time scales. Vegetatio 125 (1996) 169-183
56. Wiegand T., Milton S.J., Esler K.J., and Midgley G. Live fast, die young: estimating size-age relations and mortality pattern of shrubs species in the semi-arid Karoo, South Africa. Plant Ecology 150 (2000) 115-131
57. Womack W.R., and Schumm S.A. Terraces of Douglas Creek, northwestern Colorado: an example of episodic erosion. Geology 5 (1977) 72-76