erosion;
land degradation;
range management;
vegetation;
grazing;
stock;
D O I:
10.1002/ldr.785
中图分类号:
X [环境科学、安全科学];
学科分类号:
08 ;
0830 ;
摘要:
Farm practices in the Sneeuberg Mountains, Karoo, South Africa are examined to assess their contribution to the development of the observed gullies and badlands. Data from the literature is augmented by interviews with local farmers and measurements in the field. Changes in stocking rates, grazing systems and technological advances are assessed for their impact on soil erosion, vegetation cover and species composition. The possibility of natural and managed rehabilitation of badland areas is discussed, as are future prospects for farm management in the Sneeuberg. The findings suggest that high stock numbers and less benign management practices in the 19th century and the early 20th century underlie much of the degradation seen today. Copyright (C) 2007 John Wiley & Sons, Ltd.
机构:
Univ Oxford, Oxford Ctr Environm, Environm Change Inst, South Parks Rd, Oxford OX1 3QY, England
Univ Cape Town, Dept Environm & Geog Sci, ZA-7700 Rondebosch, South AfricaUniv Oxford, Oxford Ctr Environm, Environm Change Inst, South Parks Rd, Oxford OX1 3QY, England
Boardman, J.
Foster, I. D. L.
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机构:
Univ Northampton, Fac Arts Sci & Technol, Newton Bldg, Northampton NN2 6JD, England
Rhodes Univ, Dept Geog, ZA-6140 Grahamstown, Eastern Cape, South AfricaUniv Oxford, Oxford Ctr Environm, Environm Change Inst, South Parks Rd, Oxford OX1 3QY, England
Foster, I. D. L.
Rowntree, K. M.
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机构:
Rhodes Univ, Dept Geog, ZA-6140 Grahamstown, Eastern Cape, South AfricaUniv Oxford, Oxford Ctr Environm, Environm Change Inst, South Parks Rd, Oxford OX1 3QY, England
Rowntree, K. M.
Favis-Mortlock, D. T.
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Univ Oxford, Oxford Ctr Environm, Environm Change Inst, South Parks Rd, Oxford OX1 3QY, EnglandUniv Oxford, Oxford Ctr Environm, Environm Change Inst, South Parks Rd, Oxford OX1 3QY, England
Favis-Mortlock, D. T.
Mol, L.
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机构:
UWE Bristol, Dept Geog & Environm Management, Coldharbour Lane, Bristol BS16 1QY, Avon, EnglandUniv Oxford, Oxford Ctr Environm, Environm Change Inst, South Parks Rd, Oxford OX1 3QY, England
Mol, L.
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机构:
Suich, H.
Gaynor, D.
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机构:
Univ Pretoria, Mammal Res Inst, Dept Zool & Entomol, Private Bag X20, ZA-0028 Pretoria, South AfricaUniv Oxford, Oxford Ctr Environm, Environm Change Inst, South Parks Rd, Oxford OX1 3QY, England
机构:
Univ Oxford, Environm Change Inst, Oxford OX1 2JD, England
Univ Cape Town, ZA-7700 Rondebosch, South AfricaUniv Oxford, Environm Change Inst, Oxford OX1 2JD, England
Boardman, John
Foster, Ian
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机构:
Univ Westminster, London W1R 8AL, England
Coventry Univ, Coventry, W Midlands, England
Rhodes Univ, Grahamstown, South AfricaUniv Oxford, Environm Change Inst, Oxford OX1 2JD, England