Land degradation : papers selected from contributions to the Sixth Meeting of the International Geographical Union's Commission on Land Degradation and Desertification, Perth, Western Australia, 20-28 September 1999 / edited by Arthur J. Conacher.

Includes bibliographical references.

-- CONTENTS Preface ix Keynote Paper 1. Agrodiversity - A Positive Means of Addressing Land Degradation and Sustainable Rural Livelihoods / Michael Stocking Part One: Land Degradation Processes 2. Geostatistical Analysis and Simulation of West African Sahel Rainfall / Adrian Chappell and Clive T. Agnew 3. Nebkha Dunes as Indicators of Soil Degradation in the Molopo Basin, South Africa and Botswana / A. J. Dougill and A. D. Thomas 4. Desertification in an Arid Shrubland in the Southwestem United States: Process Modelling and Validation / Gregory S. Okin, Bruce Murray and William H. Schlesinger 5. The Potential for Degradation of Landscape Function and Cultural Values Following the Extinction ofMitika {Bettongia Lesueur) in Central Australia / J.C. Noble, J. Gillen, G. Jacobson, W.A. Low, C. Miller and the Mutjtjulu Community Part Tvvo: Land Degradation as a Response to Land Use Practices and Land Use Change 6. An Assessment of Soil Erosion in Scotland Donald A. Davidson, Jan C. Grieve and Andrew N. Tyler 7. Ecological Disturbance and Soil Erosion on Grazing Land in Southwest Iceland / Gudrun Gisladöttir 8. Land Cover Changes in Sardinia (Italy): the Role of Agricultural Policies in Land Degradation / M. d'Angelo, G. Enne, S. Madrau and C. Zucca 9. Environmental Problems Caused by Heavy Application of Nitrogen Fertilisers in Japanese Tea Fields / Tadashi Kato, Xiaoju Wang and Shinichi Tokuta Part Three: Society and Land Degradation 10. Soil Sustainability and Land Reform in South Africa / Helen Kerr Watson 11. Redistribution, Restitution and Reform: Prospects for the Land in the Eastern Cape Province, South Africa / R.C. Fox and K.M. Rowntree 167 12. Establishing Farmers' Understanding of Soil Health for the Future Development of 'User-Friendly' Soil Monitoring Packages / Lisa Alexandra Lobry De Bruyn 13. Understanding Farmer Monitoring of a 'Sustainability Indicator': Depth to Saline Groundwater in Western Australia / Sally P. Marsh, Michael P. Burton and David J. Pannell 14. Needs and Opportunities in Evaluating Land Degradation and Erosion in SouthEast Asia / Ian Douglas Part Four: Rehabilitation of Degraded Land 15. DiffeTent Techniques of Pasture Improvement and Soil Erosion in a Wooded Rangeland in SW Spain - Methodology and Preliminary Results / S. Schnabel, F. Gonzalez, M. Murillo and V. Moreno 16. Land Recovery Following Extensive Sheet Erosion at Menangle, NSW / G.S. Humphreys and B. Groth 17. Safe Carrying Capacity and Sustainable Grazing: How Much Have We Learnt in Semi-Arid Australia in the Last 170 Years? / John Pickard 18. Reconsidering the Economic Scope for Rehabilitating Degraded Australian SemiArid Rangelands - Issues of Context, Process and Integration. / N.D. MacLeod and J. C. Noble 19. Airborne Geophysics Provides Improved Spatial Information for the Management of Dryland Salinity. / Richard J. George and Donald L. Bennett 20. Innovative Use of Water Balance Models in Farm and Catchment Planning in Western Australia / G.P. Raper, L.M. Guppy, R.M. Argent and R.J. George Part Five: Land Degradation and Policy 21. Explaining Non-adoption of Practices to Prevent Dryland Salinity in Western Australia: Implications for Policy / David J. Pannell 22. Evaluation of Policy Approaches to Dryland Salinity Management in the Kent River Catchment / Elizabeth A. Kington andKeith R.J. Smettem 23. Policy Responses to Land Degradation in Australia / Jeanette Conacher and Arthur Conacher 24. Agriculture, Land Degradation and Desertification: Concluding Comments / Michael Stocking