Blaikie P, Brookfield H, 1987. Land Degradation and Society. London: Methuen.
Blum WEH, 1997. Soil degradation caused by industrialization and urbanization. In: Proceedings of the International Conference on Problems of Anthropogenic Soil Formation, Moscow, June 16–21, 1997. 3–5.
Buringh P, 1981. An assessment of losses and degradation of productive agricultural land in the world. Working Group on Soils Policy. FAO, Rome, Italy.
Buringh P, Dudal R, 1987. Agricultural landuse in space and time. In: Land Transformation in Agriculture (ed.), Wolman M G, Fournier, F G A, New York: John Wiley.
Chisholm A, Dumsday R, 1987. Land Degradation: Problems and Policies. Cambridge: Cambridge University Press.
Crosson P, 1994. Degradation of resources as a threat to sustainable agriculture, presented at the First World Congress of Professionals in Agronomy, Santiago, Chile, September 5–8, 1994.
Dregne H E, Chou N T, 1992. Global desertifications dimensions and costs. In: Dregne H E (ed.), Degradation and Restoration of Arid Lands. Lubbock, Tex, U.S.A.: Texas Tech University.
Esser K, 1999. The Global Soil Degradation Problem, Noragric Brief. No.99/5,1-2.
Eswaran H, 1999. Recommendations of the 2nd International Conference on Land Degradation, the Reports of 2nd International Conference on Land Degradation, Khon Kaen, Thailand, 1999.
Huang C Y, 2000. Textbook Series for 21st Century: Soil Science. Beijing: Chinese Agriculture Press, 291–310. (in Chinese)
IIASA (International Institute for Applied Systems Analysis), 1998. In-depth Analyses: Does China Have a Soil Degradation Problem? Laxenburg, Austria.
ISRTS (International Centre for Research & Training on Seabuckthorn), 2001. Released material.
Khor M, 2001. Land degradation causes $10 billion loss to South Asia annually. Third World Network (TWN), Environment: Agriculture.
Kovda V A, 1983. Loss of productive land due to salinization.Ambio, 12: 91–93.
Lal R, 1995. Erosion-crop productivity relationships for soils of Africa.Soil Science Society of America Journal, 59 (3): 661–667.
Lal R, Stewart B A, 1990. Soil Degradation (Vol.11): Advances in Soil Science. New York: Springer-Verlag.
Lutz W, Sanderson W, Scherbov S, 1996. Probability World Population Projections Based on Expert Opinion, Working Paper (WP-96-17) (International Institute for Applied Systems Analysis, Laxenburg, Austria, 1996), 20. Oldeman L R, 1994. The global extent of soil degradation. In: Greenland D J Szaboles, T (ed.), Soil Resilience and Sustainable Landuse. Wallingford, U.K.: Commonwealth Agricultural Bureau International.
Oldeman L R, 1998. Soil degradation: a threat to food security? Report 98/01. Wageningen, The Netherlands: International Soil Reference and Information Centre.
Oldeman L R, 2000. GLASOD Classification of Soil Degradation, ESCAP Environment Statistics Course (draft).
Oldeman L R, Hakkeling R T A, Sombroek W G, 1991. World Map of the Status of Human-induced Soil Degradation: An Explanatory Note. Wageningen, The Netherlands and Nairobi, Kenya: International Soil Reference and Information Centre and United Nations Environment Programme.
Pan G X, 2000. Soils in Earth Surface System. Beijing: Chinese Geological Press, 98–115,144. (in Chinese)
Pimentel D, Allen J, Beers A, 1993. Soil erosion and agricultural productivity. In: Pimentel D (ed.), World Soil Erosion and Conservation. Cambridge: Cambridge University Press.
Poulsen L, 2001. Soil Degradation, Poverty and Migration in Africa: Example of the International Community’s Response: The UN Convention to Combat Desertification Introductory Note to the Session on 11 January 2001.
Scherr S J, 1999. Soil degradation: a threat to developing country food security by 2020? Vision 2020: Food, Agriculture, and the Environment Discussion Paper 27,14-25.
P (United Nations Environment Programme) 1997a. Global Environment Outlook. New York: Oxford University Press, 236.
UNEP, 1997b. Report of the UNEP/RTVM/PE workshop on global and regional modeling of food production and landuse and the long-term impact of degradation of land and water resources, Bilthovan, the Netherlands, 20–22, May, 1996. Environment Information and Assessment Meeting Report 2. Nairobi, Kenya, and Wageningen, The Netherlands: UNEP and Wageningen Agricultural University.
WRI (World Resources Institute), 2001. Disappearing Land: Soil Degradation, Sustainable Development Service: Global Trends. Washington.
Xu B B, Li D C, 1999. Cultivated land protection must lay stress on both quantity and quality.Soil, 8 (1): 8–12. (in Chinese)