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close this bookSustaining the Future: Economic, Social, and Environmental Change in Sub-Saharan Africa (UNU, 1996, 365 pages)
close this folderPart 2: Environmental issues and futures
close this folderTropical deforestation and its impact on soil, environment, and agricultural productivity
View the document(introductory text...)
View the documentIntroduction
View the documentTRF and its conversion
View the documentSoils of the TRF ecosystem
View the documentForest conversion and soil productivity
View the documentDeforestation and the emission of radiatively active gases
View the documentDeforestation and hydrological balance
View the documentSustainable use of the TRF ecosystem
View the documentResearch needs
View the documentReferences

References

Aina, P. O. 1979. Soil changes resulting from longterm management practices. Soil Science Society of America Journal 43: 173-177.

FAO (Food and Agriculture Organization of the United Nations). 1981. Forest Resources of Tropical Africa, Asia and Americas. Rome: FAO.

---- 1982. Tropical Forest Resources. FAO Forestry Paper no. 30. Rome: FAO.
---- 1991. Production Year Book. Rome: FAO.

Ghuman, B. S. and R. Lal. 1991. Land clearing and use in the humid Nigerian tropics. II. Soil chemical properties. Soil Science Society of America Journal 55: 184 188.

---- 1992. Effects of soil wetness at the time of land clearing on physical properties and crop response on an Ultisol in southern Nigeria. Soil & Tillage Research 22: 1 11.

Greenland, D. J. and P. H. Nye. 1959. Increase in the carbon and nitrogen contents of tropical soils under natural fallows. Journal of Soil Science 9: 284 299.

Houghton, R. A. 1990. The global effects of tropical deforestation. Environment Science Technology 24: 414 422.

Juo, A. S. R. and R. Lal. 1977. The effect of fallow and continuous cultivation on the chemical and physical properties of an Alfisol in the tropics. Plant Soil 47: 567 584.

Lal, R. 1976. No-tillage effects on soil properties under different crops in western Nigeria. Proceedings Soil Science Society of America 40: 762 768.

---- 1987. Tropical Ecology and Physical Edaphology. Chichester: Wiley.
---- 1991. Agricultural activities and carbon emission from soils of the tropics. Washington D.C.: US Environmental Protection Agency, mimeo.

Lal, R., D. DeYleeschauwer, and R. M. Nganje. 1980. Changes in properties of newly cleared Alfisol as affected by mulching. Soil Science Society of America Journal 44:827 833.

Myers, N. 1989. Deforestation Rates in Tropical Forests and Their Climatic Imp/ications. London: Friends of the Earth.

---- 1991. Tropical forests: Present status and future outlook. In: N. Myers (ed.), Tropical Forests and Climate. Boston: Kluwer Academic Publishers, pp. 3-32.

NRC (National Research Council). 1982. Ecological Aspects of Development in the Humid Tropics. Washington D.C.: National Academy of Sciences.

---- 1993. Sustainable Agriculture and the Environment in the Humid Tropics. Washington D.C.: National Research Council.

Nye, P. H. and D. J. Greenland. 1960. The Soil Under Shifting Cultivation. Technical Comm. 51. Harpenden, England: Commonwealth Bureau of Soils.

Richards, J. F. 1991. Land transformation. In: B. L. Turner, W. C. Clark, R. W. Kates, J. F. Richards, J. T. Mathews, and W. B. Meyer (eds.), The Earth as Transformed by Human Action: Global and Regional Changes in Biosphere over the Past300 Years. New York: Cambridge University Press, pp. 163 178.

Salati, E., T. E. Lovejoy, and P. B. Vose. 1983. Precipitation and water recycling in tropical forests. Environmentalists 3: 67-72.

Williams, M. 1991. Forests. In: B. L. Turner, W. C. Clark, R. W. Kates, J. F. Richards, J. T. Mathews, and W. B. Meyer (eds.), The Earth as Transformed by H uman Action: Global and Regional Changes in Biosphere over the Past 300 Years. New York: Cambridge University Press, pp. 179-201.

WRI (World Resources Institute). 1988 89. Forests and rangelands. In: An Assessment of the Resource Base That Supports Global Economy. Washington D.C.: WRI, pp. 285 295.

---- 1990 91. Forests and rangelands. In: A Guide to the Clobal Environment. Washington D.C.: WRI, pp. 101-120.

---- 1992 93. Towards Sustainable Development. Washington D.C.: WRI.