Forestry in the Sahel: A Selected Bibliography of Source Materials Relating to Arid Zone Forestry and the Southern Fringe of the Sahara

Adeyoju S. K. “Forestry Development in the New Economic Community of West Africa (ECOWAS).” In: Evaluation of the Contribution of Forestry to Economic Development, ed. by Grayson A. J. , Edinburgh, Forestry Commission of Great Britain, Forestry Commission of Great Britain Bulletin No. 56, 1976, pp. 27–38.

Adeyoju S. K. Odeyinde M. A. , eds. The Development of Savanna Forestry . Proceedings of the Second Annual Conference of the Forestry Association of Nigeria, Zaria 1971. Ibadan, Forestry Association of Nigeria, 1973. 206 pp.

Ahmed I. “The Role of Forestry in Correct Land Use with Emphasis on Shelterbelts in Kano State.” In: Institute of Agricultural Research Newsletter, Samaru-Zaria, Vol. 14, No. 1, 1972, pp. 5–7.

Al'benskii A. V. Nikitin P. D. , eds. Handbook of Afforestation and Soil Melioration, trans, by Gourevitch A. , Jerusalem, Israel Program for Scientific Translations, 1967. 516 pp.

Allan T. G. “Mechanization in Forestry Plantations in the Nigerian Savanna.” In: The Development of Savanna Forestry, ed. by Adeyoju S. K. Odeyinde M. A. , Ibadan, Forestry Association of Nigeria, 1973, pp. 104–117.

Allan T. G. “The Use of Bullocks for Cultivation in the Establishment of Small Scale Plantations of Woodlots in the Nigerian Savanna.” In: Nigerian Journal of Forestry, Ibadan, Vol. 3, No. 1, 1973, pp. 12–17.

Allan T. G. “Land Clearing and Site Preparation in the Nigerian Savanna.” In: Savanna Afforestation in Africa, F.A.O., Rome, F.A.O., 1977, pp. 123–138.

Allan T. G. “Planning of Savanna Plantation Projects.” In: Savanna Afforestation in Africa, F.A.O., Rome, F.A.O., 1977, pp. 220–231.

van Alphen de Veer I. E. J. , “Practical Notes on Thinning of Acacia Nilotica Stands.” In: Sudan Silva, Khartoum, Vol. 11, 1961, pp. 21–28.

Arnold J. E. M. “Wood Energy and Rural Communities.” In: Natural Resources Forum, Boston, Vol. 3, No. 3, 1979, pp. 229–252.

Arnold J. E. M. Jongma J. , “Fuelwood and Charcoal in Developing Countries: An Economic Survey.” In: Unasylva, Rome, Vol. 29, No. 118, 1978, pp. 2–9.

Aubréville A. “The Disappearance of the Tropical Forests of Africa.” In: Unasylva, Rome, Vol. 1, No. 1, 1947, pp. 5–12.

Aubréville A. Climats, Forêts et Désertification de l'Afrique Tropicale. Paris, Société d'Editions Géographiques, Maritimes et Coloniales, 1949. 351 pp.

Aubréville A. “Tropical Africa.” In: A World Geography of Forest Resources, ed. by Haden-Guest S. Wright J. Teclaff E. , New York, Ronald Press, 1956, pp. 353–384.

Aubréville A. “Rapport de la Mission Forestière Nigeria-Niger (décembre 1936-février 1937).” In: Bois et Forêts des Tropiques, Paris, No. 148, 1973, pp. 3–26.

Badi K. H. Afforestation in the Clay Plains of Kassala Province. Khartoum, Forest Department of Sudan, Forest Department of Sudan Bulletin No. 13, 1967.

Baker R. St. B. “The Sahara, an Everpresent Challenge.” In: Unasylva, Rome, Vol. 23, No. 2, 1969, pp. 3–10.

Ball J. B. “Cost Accounting and the Maintenance of Records for Monitoring and Evaluating Plantation Projects.” In: Savanna Afforestation in Africa, F.A.O., Rome, F.A.O., 1977, pp. 234–246.

Bartha R. Plantes Fourragères de la Zone Sahélienne d'Afrique. Munich, Weltforum Verlag, 1970. 306 pp.

Bayoumi A. A. , comp. Forest Bibliography of the Sudan Up to 1973. Khartoum, Khartoum University Press, 1974. 159 pp.

Bégué L. “Les Forêts de la République du Soudan.” In: Bois et Forêts des Tropiques, Paris, No. 62, 1958, pp. 3–20.

Bégué L. “Aspects de la Sylviculture en Afrique Tropicale.” In: Bois et Forêts des Tropiques, Paris, No. 89, 1963, pp. 3–10.

Bégué L. “Les Eucalyptus au Sud du Sahara.” In: Bois et Forêts des Tropiques, Paris, No. 91, 1963, pp. 11–22.

Bégué L. “Retour au Soudan.” In: Bois et Forêts des Tropiques, Paris, No. 98, 1964, pp. 3–11.

Bellouard P. “Le Gonakié (Acacia scorpioides) Sources de Matières Tannantes.” In: Bois et Forêts des Tropiques, Paris, No. 5, 1948, pp. 45–49.

Bellouard P. “La Gomme Arabique en A.O.F.” In: Bois et Forêts des Tropiques, Paris, No. 9, 1949, pp. 3–18.

Bellouard P. “Le Rônier en A.O.F.” In: Bois et Forêts des Tropiques, Paris, No. 14, 1950, pp. 117–127.

Bene J. G. Beall H. W. Côté A. , Trees, Food and People: Land Management in the Tropics. Ottawa, International Development Research Centre, 1977. 52 pp.

Beresford-Peirse H. Forests, Food and People. Rome, F.A.O., 1968. 72 pp.

Bertrand A. “Les Problèmes du Bois de Chauffage et du Charbon de Bois en Afrique.” In: Bois et Forêts des Tropiques, Paris, No. 173, 1977, pp. 39–48.

Birot Y. Galabert J. , “Économie de l'Eau et Travail du Sol Dans les Plantations Forestières de Zone Sèche: Application à la Zone Sahelo-Soudanaise.” In: Bois et Forêts des Tropiques, Paris, No. 127, 1969, pp. 29–44; No. 128, 1969, pp. 23–37; No. 129, pp. 3–20; No. 130, 1970, pp. 12–22.

Blunt H. G. Gum Arabic With Special Reference to Its Production in the Sudan. London, Oxford University Press, 1926.

Booth G. A. “Study of the Gum Acacia senegal and the Supply of Other Forest Produce in Relation to Land Use Planning.” In: Land and Water Use Survey in Kordofan Province of the Republic of the Sudan, Doxiadis Associates, Rome, F.A.O., 1966.

Booth G. A. “Afforestation on Sandy Soils in Arid Zones, With Particular Reference to the Republic of Sudan.” In: Seminar on Heathland and Sand-Dune Silviculture, F.A.O., Rome, F.A.O., 1968. 9 pp.

Bosshard W. C. Tree Species for the Khartoum Greenbelt and Other Irrigated Plantations in Arid Zones. Khartoum, U.N.D.P./Forest Research Institute, Forest Research Institute Pamphlet No. 22, 1966.

Bosshard W. C. Tree Species for the Arid Zone of the Sudan. Khartoum, U.N.D.P./Forest Research Institute, Forest Research Institute Pamphlet No. 33, 1966.

Bovill E. W. “The Encroachment of the Sahara on the Sudan.” In: Journal of the Royal African Society, London, Vol. 20, No. 79, 1921, pp. 174–184, Vol. 20, No. 80, 1921, pp. 259–269.

Bradey P. N. “Vegetation and Environmental Change in the West African Sahel.” In: Land Use and Development, ed. by O'Keefe P. Wisner B. , London, International African Institute, 1977, pp. 34–54.

Brémaud O. Pagot J. , “Grazing Lands, Nomadism and Transhumance in the Sahel.” In: The Problems of the Arid Zone, Unesco, Paris, Unesco Press, 1962, pp. 311–324.

Burton P. A. “Seasonal Changes in Vegetation in the North of Nigeria.” In: Journal of Ecology, Oxford, Vol. 22, 1935, pp. 134–139.

Campbell-Purdie W. “Green Belt Around the Desert.” In: Ecologist, Wadebridge, Cornwall, Vol. 4, No. 8, 1974, pp. 300–301.

Catinot R. “Sylviculture Tropicale Dans les Zones Sèches de l'Afrique.” In: Bois et Forêts des Tropiques, Paris, No. 111, 1967, pp. 19–32, No. 112, 1967, pp. 3–29.

Catinot R. “Contribution à l'Étude de la Désertification de l'Afrique Tropicale Sèche.” In: Bois et Forêts des Tropiques, Paris, No. 148, 1973, p. 2.

Catinot R. “Contribution Forestier à la Lutte Contre la Désertification en Zones Sèches.” In: Bois et Forêts des Tropiques, Paris, No. 155, 1974, pp. 3–14.

C.C.T.A. Première Conférence Forestière Interafricaine, Abidjan, 1951. Nogent-Sur-Marne, C.T.F.T., 1952.

C.C.T.A. Deuxième Conférence Forestière Interafricaine, Pointe Noire, 1958. Nogent-Sur-Marne, C.T.F.T., 1958. 689 pp.

Chapman G. W. Allan T. F. , Estabishment Techniques for Forest Plantations. Rome, F.A.O., F.A.O. Forestry Paper No. 8, 1978. 183 pp.

C.I.L.S.S. Consultation C.I.L.S.S./U.N.S.O./F.A.O. Sur le Rôle de la Forêt Dans un Programme de Réhabilitation du Sahel, Dakar, 26 April–1 May 1976. Ouagadougou, C.I.L.S.S., 1976. 30 pp.

Cloudsley-Thompson J. “Reclamation of the Sahara.” In: Environmental Conservation, Lausanne, Vol. 4, No. 2, 1977, pp. 115–119.

Cochemé J. Franquin P. , A Study of the Agroclimatology of the Semiarid Area South of the Sahara in West Africa. Rome, F.A.O./Unesco/W.M.O., 1967.

Collier F. S. Dundas J. , “The Arid Regions of Northern Nigeria and the French Niger Colony.” In: Empire Forestry Review, Oxford, Vol. 16, No. 2, 1937, pp. 184–194.

Constaninesco I. Soil Conservation for Developing Countries. Rome, F.A.O., F.A.O. Soils Bulletin No. 30, 1976. 92 pp.

Coulibaly L. “Afforestation of Sand Dunes in North East Mali.” In: Seminar on Healthland and Sand-Dune Silviculture, F.A.O., Rome, F.A.O., 1968. 3 pp.

C.T.F.T. Expériences et Travaux de Reboisement Forestier et de Restauration des Sols: Les Reboisements en Haute-Volta. Nogent-Sur-Marne, C.T.F.T., 1961. 26 pp.

C.T.F.T. Expériences et Travaux de Reboisement Forestier et de Restauration des Sols: Les Centres Sylvo-Pastoraux du Nord Sénégal. Nogent-Sur-Marne, C.T.F.T., 1961. 45 pp.

C.T.F.T. Expériences et Travaux de Reboisement Forestier et de Restauration des Sols: Les Travaux de Protection Totale Contre les Feux Dans les Forêts Classées de la Région de Ségou. Nogent-Sur-Marne, C.T.F.T., 1961. 17 pp.

C.T.F.T. Direction des Services Forestiers de l'Environment et de la Protection de la Nature. Ouagadougou, C.T.F.T., C.T.F.T. Annual Report, 1974. 60 pp.

C.T.F.T. “The Role of the Forester in Land Use Planning in the Sahel.” In: The Sahel: Ecological Approaches to Land Use, Paris, Unesco Press, MAB Technical Note No. 1, 1975, pp. 41–53.

Darling F. F. Farvar M. , “Ecological Consequences of Sedentarization of Nomads.” In: The Careless Technology – Ecology and International Development, ed. by Farvar M. Milton J. P. , New York, Natural History Press, 1972, pp. 671–683.

Dasmann R. F. Milton J. P. Freeman P. H. , “Development of Pastoral Lands in Semi-Arid and Sub-Humid Regions.” In: Ecological Principles for Economic Development, by Dasmann R. F. , London, John Wiley, 1973, pp. 76–112.

Delwaulle J. C. “Désertification de L'Afrique au Sud du Sahara.” In: Bois et Forêts des Tropiques, Paris, No. 149, 1973, pp. 3–20.

Delwaulle J. C. “Résultats de Six Ans d'Observations Sur l'Érosion au Niger.” In: Bois et Forêts des Tropiques, Paris, No. 150, 1973, pp. 15–36.

Delwaulle J. C. “Le Rôle du Forestier Dans l'Aménagement du Sahel.” In: Bois et Forêts des Tropiques, Paris, No. 160, 1975, pp. 3–22.

Delwaulle J. C. “La Situation Forestiére Dans le Sahel.” In: Bois et Forêts des Tropiques, Paris, No. 173, 1977, pp. 3–22.

Delwaulle J. C. “Le Rôle de la Foresterie Dans la Lutte Contre la Désertification et Sa Contribution au Développement.” In: Bois et Forêts des Tropiques, Paris, No. 174, 1977, pp. 3–25.

Delwaulle J. C. “Climates and Soils of the Arid and Semi-Arid Savannas of West Africa.” In: Savanna Afforestation in Africa, F.A.O., Rome, F.A.O., 1977, pp. 37–44.

Delwaulle J. C. “Species, Techniques and Problems of the Semi-Arid Zones: The Sahel.” In: Savanna Afforestation in Africa, F.A.O., Rome, F.A.O., 1977, pp. 160–167.

Delwaulle J. C. “Shelterbelts and Environmental Forestry.” In: Savanna Afforestation in Africa, F.A.O., Rome, F.A.O., 1977, pp. 173–180.

Delwaulle J. C. “Plantations Forestières en Afrique Sèche: Techniques et Espèces à Utiliser.” In: Bois et Forêts des Tropiques, Paris, No. 181, 1978, pp. 15–28. [Other parts to be published.]

Delwaulle J. C. Roederer Y. , “Le Bois de Feu à Niamey.” In: Bois et Forêts des Tropiques, Paris, No. 152, 1973, pp. 55–60.

Depierre D. “Les Expériences de Gommeraie Cultivée et Leurs Enseignements au Tchad.” In: Bois et Forêts des Tropiques, Paris, No. 125, 1969, pp. 27–34.

Depierre D. Gillet H. , “Désertification de la Zone Sahélienne au Tchad.” In: Bois et Forêts des Tropiques, Paris, No. 139, 1971, pp. 3–27.

Deshler W. “An Examination of the Extent of Fire in the Grassland and Savanna of Africa Along the Southern Side of the Sahara.” In: Proceedings of the Eighth International Symposium on Remote Sensing of Environment. Ann Arbor, Environmental Research Institute of Michigan, 1974, pp. 23–30.

Dubief J. Le Climat du Sahara. Algiers, Université d'Alger, Institut de Recherches Sahariennes, 1959. 312 pp.

DuBois V. D. The Drought in West Africa: Evolution, Causes and Physical Consequences. Hanover, New Hampshire, American Universities Field Staff, Fieldstaff Reports, West Africa Series, Vol. 15, No. 1, 1974. 16 pp.

Dundas J. Vegetation Types of the Colonie du Niger. Oxford, Oxford University Imperial Forestry Institute, Institute Paper No. 15, 1938. 12 pp.

Earl D. E. “Does Forestry Need a New Ethos?” In: Commonwealth Forestry Review, Oxford, Vol. 52, No. 1, 1973, pp. 82–89.

Earl D. E. Forest Energy and Economic Development. Oxford, Clarendon Press, 1975. 128 pp.

Eckholm E. P. The Other Energy Crisis: Firewood. Washington, D.C., Worldwatch Institute, Worldwatch Paper No. 1, 1975. 22 pp.

Eckholm E. P. Losing Ground: Environmental Stress and World Food Prospects. New York, W. W. Norton, 1976. 223 pp.

Eckholm E. P. Planting for the Future: Forestry for Human Needs. Washington, D.C., Worldwatch Institute, Worldwatch Paper No. 26, 1979. 64 pp.

Eckholm E. P. Brown L. R. , Spreading Deserts: The Hand of Man. Washington, D.C., Worldwatch Institute, Worldwatch Paper No. 13, 1977. 40 pp.

Emberger L. Lemée G. , “Plant Ecology.” In: The Problems of the Arid Zone, Unesco, Paris, Unesco Press, 1962, pp. 197–212.

Ernst E. “Fuel Consumption Among Rural Families in Upper Volta, West Africa.” Prepared for Eighth World Forestry Congress, Jakarta. Ouagadougou, Peace Corps, 1977.

Fairbairn W. A. Ecological Succession Due to Biotic Factors in Northern Kano and Katsina Provinces of Northern Nigeria. Oxford, Oxford University Imperial Forestry Institute, Institute Paper No. 22, 1939. 32 pp.

Fairbairn W. A. Classification and Description of the Vegetation Types of the Niger Colony, French West Africa. Oxford, Oxford University Imperial Forestry Institute, Institute Paper No. 23, 1943. 38 pp.

F.A.O. “Forest Problems of Africa.” In: Unasylva, Rome, Vol. 3, No. 2, 1949, pp. 63–72.

F.A.O. “French West Africa.” In: Unasylva, Rome, Vol. 8, No. 2, 1954, pp. 93.

F.A.O. “Sudan.” In: Unasylva, Rome, Vol. 9, No. 2, 1955, p. 91.

F.A.O. “Chad.” In: Unasylva, Rome, Vol. 22, No. 4, 1968, p. 54.

F.A.O. “Stabilization and Reclamation of Forest Lands Bordering the Sahara.” In: Report of the African Forestry Commission Meeting, Lome, Togo, January 1969. Rome, F.A.O., 1969. 6 pp.

F.A.O. “F.A.O. and Sahara Reclamation.” In: Unasylva, Rome, Vol. 23, No. 2, 1969, pp. 11–14.

F.A.O. “Windbreaks for Controlling Further Advancement of the Sahara.” In: Third Session of the African Forestry Commission, Nairobi, 1971. Rome, F.A.O., 1971. 8 pp.

F.A.O. “Gum Arabic: Trends and Prospects.” In: Third Session of the African Forestry Commission, Nairobi, 1971. Rome, F.A.O., 1971. 9 pp.

F.A.O. “Collecting Firewood in Niger.” In: Unasylva, Rome, Vol. 26, No. 105, 1974, p. 40.

F.A.O. “The Contribution of Forestry to the Development and Management of Dry Zones in the Tropics.” In: Committee on Forest Development in the Tropics, Report of the Third Session. Rome, F.A.O., 1974, pp. 22–31.

F.A.O. Heathland and Sand-Dune Afforestation. Proceedings of an F.A.O./DANIDA Training Course. Rome, F.A.O., 1974. 239 pp.

F.A.O. An Introduction to Planning Forestry Development. Rome, F.A.O., 1974. 86 pp.

F.A.O. Rapport au Gouvernement de la Haute-Volta Sur la Planification, la Politique et al Législation Forestières. Rome, F.A.O., U.N.D.P. Report No. AT 3306, 1974. 226 pp.

F.A.O. Tree Planting Practices in African Savannas. Rome, F.A.O., F.A.O. Forestry Development Paper No. 19, 1974. 185 pp.

F.A.O. Seminar on Forestry Social Relations for English-Speaking Countries in Africa and the Caribbean. Rome, F.A.O., 1975. 184 pp.

F.A.O. Project d'Intensification de l'Utilization des Fourrages Dans l'Alimentation du Bétail en Zone Sylvo-Pastorale Par la Constitution de Réserves Fourragères: Sénégal. Terminal Report. Rome, F.A.O., 1976. 13 pp.

F.A.O. Savanna Afforestation in Africa. F.A.O./DANIDA Training Course and Symposium Kaduna, Nigeria 1976. Rome, F.A.O., 1977. 312 pp.

F.A.O. Soil Conservation and Management in Developing Countries. Report of an Expert Consultation, Rome, November 1976. Rome, F.A.O., F.A.O. Soils Bulletin No. 33, 1977. 212 pp.

F.A.O. Forestry for Local Community Development. Rome, F.A.O., F.A.O. Forestry Paper No. 7, 1978. 114 pp.

F.A.O. and C.T.F.T. Mise en Valeur la Basse et Moyenne Casamance, République du Sénégal: Inventaire Forestier. Rome, F.A.O., Technical Report No. 1, 1975. 296 pp.

Farvar M. T. Milton J. P. , eds. The Careless Technology – Ecology and International Development. New York, Natural History Press, 1972. 1030 pp.

Ferguson I.S. Costing and Economic Aspects of Plantation Establishment in the Savanna Region of Nigeria. Samaru-Zaria, Savanna Forestry Research Station, 1972. 44 pp.

Ferlin G. R. “Rôle du Forestier Sahélien.” In: Bois et Forêts des Tropiques, Paris, No. 171, 1977, pp. 5–15.

Ferlin G. R. “The ‘Green Belt’.” In: Ceres, Rome, Vol. 56, 1977, pp. 19–22.

Fishwick R. W. “Sahel and Sudan Zone of Northern Nigeria, North Cameroons and the Sudan.” In: Aforestation in Arid Zones, ed. by Kaul R. N. , The Hague, Dr. W. Junk, 1970, pp. 59–85.

Foggie A. Forestry and Forest Policy in the Gezira Area: Report to the Government of Sudan. Rome, F.A.O., F.A.O./E.P.T.A. Report No. 2411, 1967.

Foury P. “Politique Forestière au Sénégal.” In: Bois et Forêts des Tropiques, Paris, No. 30, 1953, pp. 8–21.

Gallais J. Sidikou A. H. , “Traditional Strategies, Modern Decision-Making and Management of Natural Resources in the Sudan-Sahel.” In: Management of Natural Resources in Africa, Unesco, Paris, Unesco Press, 1978, pp. 11–33.

Giffard P. L. “Utilisation de Quelques Produits Forestiers Dans la Sorcellerie et la Pharmacopée du Sénégal Oriental.” In: Bois et Forêts des Tropiques, Paris, No. 84, 1962, pp. 3–12.

Giffard P. L. “Les Possibilités de Reboisement en Acacia albida au Sénégal.” In: Bois et Forêts des Tropiques, Paris, No. 95, 1964, pp. 21–34.

Giffard P. L. “Les Gommiers: Acacia senegal Wild., Acacia laeta R. Br.” In: Bois et Forêts des Tropiques, Paris, No. 105, 1966, pp. 21–32.

Giffard P. L. “Le Palmier Doum: Hyphnaene thebaica Mart.” In: Bois et Forêts des Tropiques, Paris, No. 106, 1966, pp. 3–11.

Giffard P. L. “Utilisation de Acacia albida Dans la Régénération des Sols en Zones Tropicales Arides.” In: Proceedings of the Sixth World Forestry Congress, Madrid, Spain, 1966, pp. 3195–3197.

Giffard P. L. “Le Palmier Ronier: Borassus aethiopum Mart.” In: Bois et Forêts des Tropiques, Paris, No. 116, 1967, pp. 3–13.

Giffard P. L. “Recherches Complémentaries Sur Acacia albida Del.” In: Bois et Forêts des Tropiques, Paris, No. 135, 1971, pp. 3–20.

Giffard P. L. “Importance of Climate in the Ecology of Forest Trees in Senegal.” In: Agroclimatology in the Semi-Arid Areas South of the Sahara. Proceedings of the Regional Technical Conference, Dakar 8–20 February, 1971. F.A.O./Unesco/W.M.O., Geneva, Secretariat of the World Meteorological Organization, 1973, pp. 158–169.

Giffard P. L. L'Arbre Dans le Paysage Sénégalais: Sylviculture en Zone Tropicale Sèche. Dakar, Centre Technique Forestier Tropical, 1974. 431 pp.

Giffard P. L. “Les Gommiers, Essence de Reboisement Pour les Régions Sahéliennes.” In: Bois et Forêts des Tropiques, Paris, No. 161, 1975, pp. 3–21.

Glantz M. H. , ed. The Politics of Natural Disaster: The Case of the Sahel Drought. New York, Praeger Publishers, 1976. 340 pp.

Glantz M. H. , ed. Desertification: Environmental Degradation in and Around Arid Lands, Boulder, Westview Press, 1977. 346 pp.

Gledhill D. West African Trees. London, Longman Group, 1972. 72 pp.

Goor A. Y. Barney C. W. , Forest Tree Planting in Arid Zones. New York, Ronald Press, 1976, 2nd ed. 504 pp.

Gorse J. “Les Plantations de Darcassou (Anacardium occidentale) au Sine-Saloum (République du Sénégal).” In: Bois et Forêts des Tropiques, Paris, No. 86, 1962, pp. 19–26.

Goujon P. Lefebvre A. , “Etudes Sur l'Anacardier.” In: Bois et Forêts des Tropiques, Paris, No. 151, 1973, pp. 27–53.

Graham J. “This Woman Fights the Sahara with Trees.” In: Science Digest, New York, Vol. 69, No. 1, 1971, pp. 20–23.

Gravsholt S. Jackson J. K. Ojo G. O. A. , Provisional Tables for the Growth and Yield of Neem (Azadirachta indica) in Northern Nigeria. Samaru-Zaria, Savanna Forestry Research Station, Savanna Forestry Research Station Research Paper No. 1, 1967.

Grenot C. J. “Physical and Vegetational Aspects of the Sahara Desert.” In: Desert Biology, by Brown G. W. , New York, Academic Press, Volume II, 1974, pp. 103–165.

Griffith A. L. “Dry Woodlands of Africa South of the Sahara.” In: Unasylva, Rome, Vol. 15, No. 1, 1961, pp. 10–21.

Grondard A. “La Végétation Forestière au Tchad.” In: Bois et Forêts des Tropiques, Paris, No. 93, 1964, pp. 15–34.

Grove A. T. “Desertification in the African Environment.” In: African Affairs, London, Vol. 73, No. 291, 1974, pp. 137–151.

Gschladt W. “Le Ronier au Dallol Maouri, Niger.” In: Bois et Forêts des Tropiques, Paris, No. 145, 1972, pp. 3–16.

Guigonis M. Rapport de Mission d'Evaluation de Project Forestier au Sénégal et Identification de Projet Forestier en Mauritanie. Rome, F.A.O., 1976. 107 pp.

Guiscafré J. “Conservation des Sols et Protection des Cultures Par Bandes Brise-Vent (Cameroun).” In: Bois et Forêts des Tropiques, Paris, No. 79, 1961, pp. 17–29.

Foury P. “Politique Forestière au Sénégal.” In: Bois et Forêts des Tropiques, Paris, No. 30, 1953, pp. 8–21.

Halwagy R. “The Impact of Man on Semi-Desert Vegetation in the Sudan.” In: Journal of Ecology, Oxford, Vol. 50, 1962, pp. 263–273.

Hills E. S. , ed. Arid Lands: A Geographical Appraisal. London, Methuen, 1966. 461 pp.

Hills T. L. Randall R. E. , eds. The Ecology of the Forest/Savanna Boundary. Proceedings of the I.G.U. Humid Tropics Symposium, Venezuela, 1964. Montreal, McGill University Press, McGill Savanna Research Series No. 13, 1968. 128 pp.

Horsman J. “Production Forestry in the Zaria Area.” In: Savanna, Zaria, Vol. 4, No. 1, 1975, pp. 70–74.

Howard W. J. Forestry in the Gambia: A Short Report to the Land Resources Development Project Team. London, Ministry of Overseas Development, Land Resources Division Miscellaneous Report No. 156, 1972.

Hubert H. Le Desséchement Progressif en Afrique Occidentale Française. Paris, Larose, 1926.

Huzayyin S. “Changes in Climate, Vegetation and Human Adjustment in the Saharo-Arabian Belt with Special Reference to Africa.” In: Man's Role in Changing the Face of the Earth, ed. by Thomas W. L. , Chicago, University of Chicago Press, 1956, pp. 304–323.

I.C.R.A.F. The Wasted Lands: The Programme of Work of the International Council for Research in Agroforestry. Nairobi, I.C.R.A.F., 1978. 35 pp.

I.U.C.N. Conservation of Nature and Natural Resources in Modern African States. Morges, Switzerland, International Union for the Conservation of Nature and Natural Resources, I.U.C.N. Publication New Series No. 1, 1963. 367 pp.

I.U.C.N. The Ecology of Man in the Tropical Environment. Morges, Switzerland, International Union for the Conservation of Nature and Natural Resources, I.U.C.N. Publication New Series No. 4, 1964. 355 pp.

Iyamabo D. E. “Species Introduction and Growth in African Savannas.” In: Second F.A.O./I.U.F.R.O. World Consultation on Forest Tree Breeding. Rome, F.A.O., 1969. 14 pp.

Iyamabo D. E. Ojo G. O. A. , “Plantation Establishment Techniques in the Savanna Areas of Nigeria.” In: Nigerian Journal of Forestry, Ibadan, Vol. 1, No. 1, 1971, pp. 16–20.

Jackson J. A. D. “The Introduction of Exotic Trees into the Sudan.” In: Sudan Silva, Khartoum, Vol. 10, 1960, pp. 14–30.

Jackson J. K. Report to the Government of the Sudan on Forest Management, Rome, F.A.O., Expanded Program of Technical Assistance Report No. 1291, 1960. 72 pp.

Jackson J. K. “Nursery Techniques in the Savanna Region of Nigeria.” In: The Development of Savanna Forestry, ed. by Adeyoju S. K. Odeyinde M. A. , Ibadan, Forestry Association of Nigeria, 1973, pp. 60–70.

Jackson J. K. Brandes H. W. Ojo G. O. A. , Experiments on Nursery Potting Mixtures. Samaru-Zaria, Savanna Forestry Research Station, Savanna Forestry Research Station Research Paper No. 7, 1970.

Jackson J. K. McComb A. L. , “The Role of Tree Plantations in Savanna Development: Technical and Economic Aspects, with Special Reference to Nigeria.” In: Unasylva, Rome, Vol. 23, No. 3, 1969, pp. 8–18.

Johnson M. S. Forest Inventories in the Gambia, London, Ministry of Overseas Development, Land Resources Division Resource Report No. 1, 1975.

Jones B. “Desiccation and the West African Colonies.” In: Geographical Journal, London, Vol. 91, 1938, pp. 401–423.

Jouvanceau J. “Les Travaux de Protection Totale Contre les Feux Dans les Forêts Classées de la Région de Ségou, au Mali.” In: Bois et Forêts des Tropiques, Paris, No. 81, 1962, pp. 18–28.

Kassas M. “Desertification Versus Potential Recovery in Circum-Saharan Territories.” In: Arid Lands in Transition, ed. by Dregne H. , Washington, D.C., American Academy for the Advancement of Science, 1970, pp. 123–142.

Kassas M. “Dynamics of Desert Vegetation.” In: Environmental Problems and Their International Implications, ed. by Odabasi H. Ulug S. , Boulder, Colorado Associated University Press, 1973, pp. 27–47.

Kaul R. N. , ed. Afforestation in Arid Zones. The Hague, Dr. W. Junk N.V., Monographiae Biologicae, Vol. 20, 1970. 435 pp.

Kaul R. N. Jain M. B. , “Growth Attributes and Their Relation to Fuel Yield in Prosopis cineria.” In: Commonwealth Forestry Review, Oxford, Vol. 46, No. 2, 1967, pp. 155–158.

Kellogg C. E. “The Role of Science in Man's Struggle on Arid Lands.” In: The Future of Arid Lands, ed. by White G. F. , Washington, D.C., American Association for the Advancement of Science, 1956, pp. 26–46.

Kemp R. H. “Growth and Regeneration of Open Savanna Woodland in Northern Nigeria.” In: Commonwealth Forestry Review, Oxford, Vol. 42, No. 3, 1962, pp. 200–206.

Kemp R. H. Trials of Exotic Tree Species in the Savanna Region of Nigeria. Part I: Aims, Procedure and Summary of Results. Samaru-Zaria, Savanna Forestry Research Station, Savanna Forestry Research Station Research Paper No. 4, 1969.

Kemp R. H. Trials of Exotic Tree Species in the Savanna Region of Nigeria. Part II: Short Notes on Selected Species. Samaru-Zaria, Savanna Forestry Research Station, Savanna Forestry Research Station Research Paper No. 6, 1970.

Kerr G. R. G. “Gawo (Acacia albida) the Ideal Farm Tree.” In: Farm and Forest, Ibadan, Vol. 3, 1942, pp. 72–75.

King H. C. “A Note on Climate, Forest-Distribution and Aridity in Africa, Summarised from Mr. A. Aubreville's Climats, Forêts et Désertification.” In: Empire Forestry Review, Oxford, Vol. 32, No. 3, 1953, pp. 226–232.

King K. F. S. Chandler M. T. , “Agroforestry in Arid Zones.” In: The Wasted Land, I.C.R.A.F., Nairobi, International Council for Research in Agroforestry, 1978, pp. 23–29.

Kunkle S. H. “Forestry Support for Agriculture through Watershed Management, Windbreaks and Other Conservation Actions.” Position Paper, Eighth World Forestry Congress, Jakarta, 1978. 28 pp.

Kunkle S. H. Thames J. L. , eds. Conservation in Arid and Semi-Arid Zones. Rome, F. A.O., F.A.O. Conservation Guide No. 3, 1976. 125 pp.

Lanly J. P. “L'Utilization des Photographies Aeriennes et des Cartes Pour l'Evaluation des Ressources Forestières: Application au Cas de l'Afrique Tropicale Francophone.” Prepared for Regional Cartographic Conference for Africa, Addis Ababa, October 1972. 23 pp.

“L'Arbre du Ténéré Est Mort.” In: Bois et Forêts des Tropiques, Paris, No. 153, 1974, pp. 61–65.

Lavauden L. “Les Forêts du Sahara.” In: Revue des Eaux et Forêts, Paris, Vol. 65 (June), 1972, pp. 265–277; Vol. 65 (July), 1927, pp. 330–341.

Lavauden L. “La Forêt de Gommiers du Bled Talha (Sud-Tunisien).” In: Revue des Eaux et Forêts, Paris, Vol. 66, 1928, pp. 699–713.

Letourneux C. “Le Problème des Feux au Soudan Français.” In: Bois et Forêts des Tropiques, Paris, No. 52, 1957, pp. 21–28.

Letouzey R. “Technique d'Afforestation en Zone Subaride au Cameroun.” In: Bois et Forêts des Tropiques, Paris, No. 77, 1961, pp. 3–12.

Macleod N. H. “Applications of Remote Sensing (ERTS) to Resource Management and Development in Sahelian Africa (Republic of Mali).” In: Symposium on Significant Results Obtained from ERTS-1, N.A.S.A., Washington, D.C., National Aeronautics and Space Administration, Vol. II, 1973, pp. 1475–1483.

Macleod N. H. “Remote Sensing Experiment in West Africa.” In: Third Earth Resources Technology Satellite-1 Symposium, N.A.S.A., Washington, D.C., National Aeronautics and Space Administration, Vol. I, 1974, pp. 247–267.

MacRamsay C. The Forest Ecology of Central Sudan. Khartoum, Agricultural Publications Committee, 1958.

Madu M. “Problems of Afforestation, Silviculture and Tree Growth on Heathlands and Sands Including Shelterbelts in Nigeria.” In: Seminar on Heathland and Sand-Dune Silviculture, F.A.O., Rome, F.A.O., 1968. 2 pp.

Mariaux A. “Essai de Dendroclimatologie en Climat Sahélien sur Acacia raddiana.” In: Bois et Forêts des Tropiques, Paris, No. 163, 1975, pp. 27–36.

de la Mensbruge G. , “Afforestation Species for the Savannah.” In: Conference on Agricultural Research Priorities for Economic Development in Africa, Abidjan, April 1968. N.A.S., Washington, D.C., National Academy of Sciences/National Research Council, 1968, pp. 346–354.

Metro A. “Reforestation in Arid Zones.” In: Unasylva, Rome, Vol. 6, No. 3, 1952, pp. 98–104.

Michon P. “Les Gommiers au Tchad.” In: Bois et Forêts des Tropiques, Paris, No. 117, 1968, pp. 27–30.

Michon P. “Correspondance: Désertification de la Zone Sahélienne.” In: Bois et Forêts des Tropiques, Paris, No. 142, 1972, pp. 79–80.

Michon P. “Le Sahara Avance-t-Il Vers le Sud?” In: Bois et Forêts des Tropiques, Paris, No. 150, 1973, pp. 3–14.

M.I.T. A Long-Range Plan Defining Alternative Strategies for the Development of the Sahel-Sudan Zone. Cambridge, Massachusetts Institute of Technology, 1974, 7 Vols.

Monod T. Toupet C. , “Land Use in the Sahara and Sahel Region.” In: A History of Land Use in Arid Regions, ed. by Stamp L. D. , Paris, Unesco Press, 1961, pp. 239–254.

de Montalembert M. R. , Evaluation des Besoins en Formation Forestière Dans le Sahel et Propositions d'Action. Rome, F.A.O./C.I.L.S.S., 1977. 52 pp.

Moore R. M. “The Management of Native Vegetation in Arid and Semi-Arid Regions.” In: Plant-Water Relationships in Arid and Semi-Arid Conditions: A Review of Research, Unesco, Paris, Unesco Press, Arid Zone Research Series No. 15, 1960, pp. 173–190.

Mulard M. Groéné D. , “Les Méthodes de Lutte Contre l'Érosion du Sol en Haute-Volta.” In: Bois et Forêts des Tropiques, Paris, No. 79, 1961, pp. 7–16.

National Academy of Sciences. Leucaena: Promising Forage and Tree Crop for the Tropics, Washington, D.C., National Academy of Sciences, 1977. 115 pp.

Obeid M. El Din A. Seif . “Ecological Studies of the Vegetation of the Sudan: Acacia senegal and its Natural Regeneration.” In: Journal of Applied Ecology, Oxford, Vol. 7, 1970, pp. 507–518.

Ojo G. O. A. Shado M. B. , Preliminary Results of Pine Provenance Trials in the Savanna Areas of Nigeria. Samaru-Zaria, Savanna Forestry Research Station, Savanna Forestry Research Station Research Paper No. 19, 1973. 29 pp.

O'Keefe P. Wisner B. , eds. Land Use and Development. London, International African Institute, 1977. 232 pp.

Openshaw K. “Woodfuel: A Time for Re-Assessment.” In: Natural Resources Forum, Boston, Vol. 3, No. 1, 1978, pp. 35–51.

Owen J. “The Medico-Social and Cultural Significance of Adansonia digitata (Baobab) in African Communities.” In: African Notes, Ibadan, Vol. 6, No. 1, 1970, pp. 24–36.

Owen J. “A Contribution to the Ecology of the African Baobab.” In: Savanna, Zaria, Vol. 3, No. 1, 1974, pp. 1–14.

Pearshall W. H. “The Place of Nature Conservation in Land Use Planning with Specific Reference to the Modern African State.” In: Conservation of Nature and Natural Resources in Modern African States, I.U.C.N., Morges, Switzerland, I.U.C.N., 1963, pp. 265–267.

Perriquey N. “Les Travaux de Protection Contre les Feux Dans l'Inspection Forestière de Bamako (Soudan).” In: Deuxième Conférence Forestière Interafricaine, Point-Noire, 1958. C.C.T.A., Nogent-Sur-Marne, C.T.F.T., 1958, pp. 643–653.

Philip M. S. Gum Arabic and Acacia Senegal. Ibadan, Federal Department of Forestry, Nigerian Forestry Information Bulletin No. 29, 1975. 12 pp.

Phillips J. V. The Development of Agriculture and Forestry in the Tropics: Patterns, Problems and Promise. London, Faber and Faber, 1966, 2nd ed., 221 pp.

Pitman J. Ramsey J. M. , “Land Planning, Soil and Water Conservation in Northern Ghana: A Review of Progress in the Past Ten Years (1949–1959).” In: Proceedings of the Third InterAfrican Soils Conference, Dalaba, 1959, C.C.T.A., London, C.C.T.A., 1959, pp. 797–804.

Poupon M. “La Biomasse et l'Évolution de Sa Répartition au Cours de la Croissance d'Acacia senegal Dans une Savane Sahélienne.” In: Bois et Forêts des Tropiques, Paris, No. 166, 1976, pp. 23–38.

Price R. “Possibilities of Increasing and Maintaining Production from Grass and Forest Lands Without Accelerating Erosion.” In: The Future of Arid Lands, ed. by White G. F. , Washington, D.C., American Association for the Advancement of Science, 1956, pp. 233–244.

“Prosopis Juliflora A. de Condolle, Caractères Sylvicoles et Méthodes de Plantation.” In: Bois et Forêts des Tropiques, Paris, No. 82, 1962, pp. 33–38.

Pryor L. D. “Acacia peuce: A Tree for Arid Zones.” In: Unasylva, Rome, Vol. 21, No. 1, 1967, pp. 28–30.

Pullan R. A. “Farmed Parkland in West Africa.” In: Savanna, Zaria, Vol. 3, No. 2, 1974, pp. 119–152.

Quézel P. La Végétation du Sahara du Tchad à la Mauritanie. Stuttgart, Gustav Fischer Verlag, 1965. 333 pp.

Raeder-Roitzsch J. E. Institutional Forestry Problems in the Sahelian Region, New York, U.N.S.O., 1974. 26 pp.

Randriamamonly M. D. Etude de Préfactibilité Pour la Production de Tanin Végétal à Partir de l'Acacia nilotica en Haute-Volta. Ouagadougou, Ministry of Rural Development, 1976. 60 pp.

Randriamamonly M. D. Rasovic A. , Etude de Préfactibilité Pour la Production Séricicole en Haute-Volta. Ouagadougou, Ministry of Rural Development, 1976.

“Reclaiming the Sahara.” In: Empire Forestry Review, Oxford, Vol. 33, No. 3, 1954, pp. 213–214.

Richards P. “‘Alternative’ Strategies for the African Environment: Folk Ecology as a Basis for Community Oriented Agricultural Development.” In: African Environment: Problems and Perspectives, ed. by Richards P. , London, International African Institute, African Environment Special Report No. 1, 1975, pp. 102–117.

Riou G. Quelques Arbres Utiles de Haute-Volta. Ouagadougou, C.V.R.S., 1971.

Robbins S. Matthews W. , “Minor Forest Products.” In: Unasylva, Rome, Vol. 26, No. 106, 1974, pp. 7–14.

Robertson V. C. “The Value of Ecological Surveys (Sudan).” In: The Ecology of Man in the Tropical Environment, I.U.C.N., Morges, Switzerland, I.U.C.N., 1964, pp. 327–333.

Roche L. “Major Trends and Issues in Forestry Education in Africa: A View from Ibadan.” In: Commonwealth Forestry Review, Oxford, Vol. 54, No. 2, 1975, pp. 166–175.

Roche L. “Forestry and the Community.” In: Commonwealth Forestry Review, Oxford, Vol. 56, No. 4, 1977, pp. 299–315.

Rogers B. “Trees of Life.” In: New Internationalist, Oxford, Vol. 61, 1978, pp. 25–26.

Rugh D. Guide des Onze Arbres Protégés du Niger. Maradi, Niger, Atelier Inter-Service, 1972.

Sanger C. Trees for People: An Account of the Forestry Research Program Supported by the International Development Research Centre. Ottawa, I.D.R.C., 1977. 52 pp.

Sarlin P. “L'Eau en Forêt, en Savane et Dans les Reboisements.” In: Bois et Forêts des Tropiques, Paris, No. 89, 1963, pp. 11–29.

Sarlin P. “Reboisement en Nigeria du Nord.” In: Bois et Forêts des Tropiques, Paris, No. 96, 1964, pp. 3–18.

Savard J. “Les Tanins Végétaux d'Afrique.” In: Bois et Forêts des Tropiques, Paris, No. 38, 1954, pp. 43–53.

Schmithuesen F. An Annotated Bibliography on Forest Legislation in Developing Countries, Rome, F.A.O., 1977. 94 pp.

Shawki M. K. “A Scheme for Forest Conservation and Development in the Semi-Desert Region Around Khartoum.” In: The Ecology of Man in the Tropical Environment. I.U.C.N., Norges, Switzerland, I.U.C.N., 1964, pp. 313–321.

Simonneau P. Debazac E. F. , “Les Cyprès des Ajjers.” In: Revue Forestière Française, Paris, Vol. 13, No. 2, 1961, pp. 90–97.

Skerman P. J. Tropical Forage Legumes. Rome, F.A.O., F.A.O. Plant Production and Protection Series, No. 2, 1977. 609 pp.

Smith J. Distribution of Tree Species in the Sudan. Khartoum, Ministry of Agriculture, Ministry of Agriculture Bulletin No. 4, 1950.

Stamp L. D. “The Southern Margin of the Sahara: Comments on Some Recent Studies on the Question of Desiccation.” In: Graphical Review, New York, Vol. 30, No. 2, 1940, pp. 297–300.

Stamp L. D. , ed. A History of Land Use in Arid Regions. Paris, Unesco Press, Arid Zone Research Series No. 17, 1961. 388 pp.

Stamp L. D. “Some Conclusions.” In: A History of Land Use in Arid Regions, ed. by Stamp L. D. , Paris, Unesco Press, Arid Zone Research Series No. 17, 1961, pp. 379–388.

Stebbing E. P. “The Encroaching Sahara: The Threat to the West African Colonies.” In: Geographical Journal, London, Vol. 85, No. 6, 1935, pp. 506–524.

Stebbing E. P. The Forests of West Africa and the Sahara, a Study of Modern Conditions. London, W. & R. Chambers, 1937. 245 pp.

Stebbing E. P. The Creeping Desert in the Sudan and Elsewhere in Africa. Khartoum, McCorquodale & Co., 1953. 165 pp.

Stebbing E. P. “Forests, Aridity and Deserts.” In: Biology of Deserts, ed. by Cloudsley-Thompson J. L. , London, Institute of Biology, 1954, pp. 123–128.

Sterling C. “The Making of the Sub-Saharan Wasteland.” In: The Atlantic, Boston, Vol. 233, 1974, pp. 98–105.

Swift J. “Desertification and Man in the Sahel.” In: Landuse and Development, ed. by O'Keefe P. Wisner B. , London, International African Institute, African Environment Special Report No. 5, 1977, pp. 171–178.

Tayeb G. , Forestry and Land Use in the Sudan. Khartoum, Khartoum University Press, 1972. 58 pp.

Terver P. “Mission to the Sahel.” In: Unasylva, Rome, Vol. 27, No. 109, 1975, pp. 24–28.

Thomas W. L. , ed. Man's Role in Changing the Face of the Earth. Chicago, University of Chicago Press, 1956. 1193 pp.

Thomson J. T. “Ecological Deterioration: Local-Level Rule-Making and Enforcement Problems in Niger.” In: Desertification: Environmental Degradation In and Around Arid Lands, ed. by Glantz M. H. , Boulder, Westview Press, 1977, pp. 57–79.

Tillon R. “Étude d'une Parcelle de Savane Mise en Défens (République Centrafricaine): Reboisement Artificiel ou Naturel?” In: Bois et Forêts Tropiques, Paris, No. 77, 1961, pp. 13–22.

Tinker J. “Sudan Challenges the Sand-Dragon.” In: New Scientist, London, Vol. 73, No. 1040, 1977, pp. 448–450.

Toupet C. “Le Nomade, Conservateur de la Nature? L'Exemple de la Mauritanie Centrale.” In: Pastoralism in Tropical Africa, ed. by Monod T. , London, International African Institute, Oxford University Press, 1975, pp. 455–467.

Toussaint-Morlet P. “The Protection and Conservation of Nature in the Republic of Senegal.” In: Conservation of Nature and Natural Resources in Modern African States, I.U.C.N., Morges, Switzerland, I.U.C.N., 1963, pp. 340–347.

Traore M. “Mémorandum Sur la Protection des Savanes en Forêt Classée de Niangoloko (Haute-Volta).” In: Deuxième Conférence Forestière Interafricaine, Point-Noire, 1958, C.C.T.A., Nogent-Sur-Marne, C.T.F.T., 1958, pp. 677–683.

Tubiana M. J. Tubiana J. , “Tradition et Développement au Soudan Oriental: L'Exemple Zaghawa.” In: Pastoralism in Tropical Africa, ed. by Monod T. , London, International African Institute, Oxford University Press, 1975, pp. 468–486.

Tubiana M. J. Tubiana J. , The Zaghawa from an Ecological Perspective: Food Gathering, the Pastoral System, Tradition and Development of the Zaghawa of the Sudan and the Chad, trans, by O'Prey P. , Rotterdam, A.A. Balkema, 1977. 119 pp.

Uhart E. Charcoal in the Sahelian Zone, Addis Ababa, U.N. Economic Commission for Africa, 1975.

Unesco. The Problems of the Arid Zone. Paris, Unesco Press, Arid Zone Research Series No. 18, 1962. 481 pp.

Unesco. The Sahel: Ecological Approaches to Land Use. Paris, Unesco Press, M.A.B. Technical Note No. 1, 1975. 99 pp.

Unesco. Development of Arid and Semi-Arid Lands: Obstacles and Prospects. Paris, Unesco Press, M.A.B. Technical Note No. 6, 1977. 42 pp.

Unesco. Management of Natural Resources in Africa: Traditional Strategies and Modern Decision-Making. Paris, Unesco Press, M.A.B. Technical Note No. 9, 1978. 81 pp.

Urvoy Y. “Notes Sur la Végétation au Sahara Soudanais Central.” In: Annales de Géographie, Paris, Vol. 46, 1937, pp. 270–277.

Kahn M. A. Waheed Single Tree Growth Statistics for Acacia nilotica (Gezira and Fung Circles): Volume and Other Tables. Soba-Khartoum, Forest Research Institute, Forest Research Institute Research Pamphlet No. 6, 1966.

Kahn M. A. Waheed Seeding and Planting on Clay Plains. Soba-Khartoum, Forest Research Institute, Forest Research Institute Research Pamphlet No. 16, 1966.

Kahn M. A. Waheed Single Tree Growth Statistics for Eucalyptus microtheca (Gezira Irrigation Scheme): Volume and Other Tables. Soba-Khartoum, Forest Research Institute, Forest Research Institute Research Pamphlet No. 23, 1966.

Weber F. R. Reforestation in Arid Lands. Mt. Ranier, Maryland, V.I.T.A. Publications, Action/Peace Corps Program and Training Journal, Manual Series No. 5, 1977. 248 pp.

Westoby J. C. “Making Trees Serve People.” In: Commonwealth Forestry Review, Oxford, Vol. 54, No. 3 and 4, 1975, pp. 206–215.

Westoby J. C. “Forestry, Foresters and Society.” In: New Zealand Journal of Forestry, Tokoroa, Vol. 23, No. 1, 1978, pp. 64–84.

Wightman J. M. “Detection, Mapping and Estimation of Rate of Spread of Grass Fires from Southern African ERTS-1 Imagery.” In: Symposium on Significant Results Obtained from ERTS-1, N.A.S.A., Washington, D.C., National Aeronautics and Space Administration, Vol. 1, 1973, pp. 593–603.

White G. F. , ed. The Future of Arid Lands: Papers and Recommendations from the International Arid Land Meetings. Washington, D.C., American Association for the Advancement of Science, American Association for the Advancement of Science Publication No. 43, 1956. 453 pp.

Whyte R. O. “Grazing Resources.” In: The Future of Arid Lands, ed. by White G. F. , Washington, D.C., American Association for the Advancement of Science, 1956, pp. 179–188.

Whyte R. O. “The Use of Arid and Semi-Arid Land.” In: Arid Lands, ed. by Hills E. S. , London, Methuen, 1966, pp. 301–362.

World Bank. Forestry: Sector Policy Paper. Washington, D.C., World Bank, 1978. 65 pp.