Ecology and Development Series No. 10, 2003 - ZEF
Ecology and Development Series No. 10, 2003 - ZEF Ecology and Development Series No. 10, 2003 - ZEF
ReferencesVan Jaarsveld A.S., Freitag S., Chown S.L., Muller C., Koch S., Hull H., Bellamy C.,Krüger M., Endrödy-Younga S., Mansell M.W. and Scholtz C.H. 1998.Biodiversity assessment and conservation strategies. Science 279: 2106-2108.Van Tongeren O.F.R. 1995. Cluster analysis. In: Jongman R.H.G., Ter Braak C.J.F. andVan Tongeren O.F.R. (Eds.) Data analysis in community ecology and landscapeecology. Cambridge University Press, Cambridge, UK, pp. 174-212.Vasconcelos H.L. 1999. Effects of forest disturbance on the structure of ground-foragingant communities in central Amazonia. Biodivers. Conserv. 8: 407-418.Vavilov N.I. 1951. The origin, variation, immunity and breeding of cultivated plants.Ronald Press, New York.Von Breitenbach F. 1963. The indigenous trees of Ethiopia. 2nd ed. Ethiopian ForestryAssociation, Addis Ababa.WCMC (World Conservation Monitoring Centre). 1994. Priorities for Conserving GlobalSpecies Richness and Endemism Caldecott J.O., Jenkins M.D., Johnson T. andGroombridge B. (Eds.). World Conservation Press, Cambridge.Webb E.L. and Peralta R. 1998. Tree community diversity of lowland swamp forest inNortheast Costa Rica, and changes associated with controlled selective logging.Biodivers and Conserv. 7: 565-583.Wells M.P. and Brandon K.E. 1993. The principles and practices of buffer zones and localparticipation in biodiversity conservation. Ambio 22: 157-162.Western D. 2001. Human-modified ecosystems and future evolution. Proc. Nat. Acad. Sci.USA 98:5458-5468.Westhoff V. and Van der Maarel E. 1978. The Braun-Blanquet approach. In WhittakerR.H. (Ed.) Classification of Plant Communities. W. Junk, the Hague, TheNetherlands, pp. 287-399.Westphal E. 1975. Agricultural systems in Ethiopia. Poduc, Wageningen.Whitemore T.C. 1991. Tropical rain forest dynamics and its implications for management.In: Gomez-Pompa A., Whitemore T.C. and Hadley M. (Eds.) Rain forestregeneration and management. UNESCO, Paris, France, pp. 67-89.Whittaker R.H. 1951. A criticism of the plant association and climatic climax concepts.Northwest Sci. 25:17-31.Whittaker R.H. 1967. Gradient analysis of vegetation. Biol. Rev. 42:207-264.White F. 1983. The vegetation of Africa. A descriptive memoir to accompany theUnesco/AETFAT/UNSO vegetation map of Africa. Natur. Resour. Res. 20: 1-356.Wiersum K.F. 1997. Indigenous exploitation and management of tropical forest resources:an evolutionary continuum in forest-people interactions. Agr. Ecosyst. Environ.63: 1-16.Williams J.C. and ReVelle C.S. 1996. A 0-1 programming approach to delineatingprotected reserves. Environ. Plann. B 23: 607-624.Wilson E.O. 1988. The diversity of life. Harvard University Press, Cambridge.Wilson E.O. and Perlman D.L. 2000. Conserving earth’s biodiversity: an interactivelearning experience for studying conservation biology and environmental science.Island Press, Washington.141
ReferencesWilson W.G., Nisbet R.M., Ross A.H., Robles C. and Desharnais R.A. 1996. Abruptpopulation changes along environmental gradients. Bull. Math. Biol. 58: 907-922Wrigley G. 1988. Coffee. Tropical Agriculture Series. Longman Scientific and John Wileyand Sons, Inc., New York.WRI/IUCN/UNEP. 1992. Global biodiversity strategy: guidelines to save, study and use theearth’s biotic wealth sustainably and equitably. WRI, IUCN, UNEP, Washington,D.C., Gland, Switzerland, and Nairobi, Kenya.Yalden D.W. 1983. The extent of highground in Ethiopia compared to the rest of Africa.SINET: Ethiop. J. Sci. 6: 35-39.Zemede Asfaw and Ayele N. 1995 Homegardens in Ethiopia: characteristics and plantdiversity. SINET: Ethiop. J. Sci. 18: 235-266.142
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- Page 150 and 151: Appendices9 APPENDICESAppendix 1 Li
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- Page 170 and 171: ACKNOWLEDGEMENTSI am very grateful
ReferencesVan Jaarsveld A.S., Freitag S., Chown S.L., Muller C., Koch S., Hull H., Bellamy C.,Krüger M., Endrödy-Younga S., Mansell M.W. <strong>and</strong> Scholtz C.H. 1998.Biodiversity assessment <strong>and</strong> conservation strategies. Science 279: 2<strong>10</strong>6-2<strong>10</strong>8.Van Tongeren O.F.R. 1995. Cluster analysis. In: Jongman R.H.G., Ter Braak C.J.F. <strong>and</strong>Van Tongeren O.F.R. (Eds.) Data analysis in community ecology <strong>and</strong> l<strong>and</strong>scapeecology. Cambridge University Press, Cambridge, UK, pp. 174-212.Vasconcelos H.L. 1999. Effects of forest disturbance on the structure of ground-foragingant communities in central Amazonia. Biodivers. Conserv. 8: 407-418.Vavilov N.I. 1951. The origin, variation, immunity <strong>and</strong> breeding of cultivated plants.Ronald Press, New York.Von Breitenbach F. 1963. The indigenous trees of Ethiopia. 2nd ed. Ethiopian ForestryAssociation, Addis Ababa.WCMC (World Conservation Monitoring Centre). 1994. Priorities for Conserving GlobalSpecies Richness <strong>and</strong> Endemism Caldecott J.O., Jenkins M.D., Johnson T. <strong>and</strong>Groombridge B. (Eds.). World Conservation Press, Cambridge.Webb E.L. <strong>and</strong> Peralta R. 1998. Tree community diversity of lowl<strong>and</strong> swamp forest in<strong>No</strong>rtheast Costa Rica, <strong>and</strong> changes associated with controlled selective logging.Biodivers <strong>and</strong> Conserv. 7: 565-583.Wells M.P. <strong>and</strong> Br<strong>and</strong>on K.E. 1993. The principles <strong>and</strong> practices of buffer zones <strong>and</strong> localparticipation in biodiversity conservation. Ambio 22: 157-162.Western D. 2001. Human-modified ecosystems <strong>and</strong> future evolution. Proc. Nat. Acad. Sci.USA 98:5458-5468.Westhoff V. <strong>and</strong> Van der Maarel E. 1978. The Braun-Blanquet approach. In WhittakerR.H. (Ed.) Classification of Plant Communities. W. Junk, the Hague, TheNetherl<strong>and</strong>s, pp. 287-399.Westphal E. 1975. Agricultural systems in Ethiopia. Poduc, Wageningen.Whitemore T.C. 1991. Tropical rain forest dynamics <strong>and</strong> its implications for management.In: Gomez-Pompa A., Whitemore T.C. <strong>and</strong> Hadley M. (Eds.) Rain forestregeneration <strong>and</strong> management. UNESCO, Paris, France, pp. 67-89.Whittaker R.H. 1951. A criticism of the plant association <strong>and</strong> climatic climax concepts.<strong>No</strong>rthwest Sci. 25:17-31.Whittaker R.H. 1967. Gradient analysis of vegetation. Biol. Rev. 42:207-264.White F. 1983. The vegetation of Africa. A descriptive memoir to accompany theUnesco/AETFAT/UNSO vegetation map of Africa. Natur. Resour. Res. 20: 1-356.Wiersum K.F. 1997. Indigenous exploitation <strong>and</strong> management of tropical forest resources:an evolutionary continuum in forest-people interactions. Agr. Ecosyst. Environ.63: 1-16.Williams J.C. <strong>and</strong> ReVelle C.S. 1996. A 0-1 programming approach to delineatingprotected reserves. Environ. Plann. B 23: 607-624.Wilson E.O. 1988. The diversity of life. Harvard University Press, Cambridge.Wilson E.O. <strong>and</strong> Perlman D.L. 2000. Conserving earth’s biodiversity: an interactivelearning experience for studying conservation biology <strong>and</strong> environmental science.Isl<strong>and</strong> Press, Washington.141
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