[ARBONNIER, M. (2002): Arbres, arbustes et lianes des zones sèches d’Afrique de l’Ouest. 2nd edition, CIRAD, France, 573p. \]Search in Google Scholar
[CHATFIELD, C. and A. J. COLLINS (1980) : Introduction to multivariate analysis. Chapman & Hall, London, 246 pp.10.1007/978-1-4899-3184-9]Search in Google Scholar
[COSSALTER, C. (1991): Acacia senegal: gum tree with promise for agroforestry. NTF highlights, NTFA 91-02: 1-2.]Search in Google Scholar
[FAGG, C.W. and G. E. ALLISON (2004): Acacia senegal and the gum Arabic trade. Tropical Forestry Papers 42, Oxford.]Search in Google Scholar
[LARWANOU, M., M. SAADOU and A. NONGUIERMA (2005): Détermination du degré d’aridité bioclimatique de sept localités du Département de Tillabéri (sud-ouest du Niger): Classement en zones bioclimatiques. Sécheresse 16: 1-8.]Search in Google Scholar
[NATIONAL ACADEMY OF SCIENCES (1983): Firewood crops; shrub and tree species for energy production. Report of an Ad Hoc Panel of the Advisory Committee on Technology Innovation, Board on Science and Technology for International Development, Commission on International Relations. BOSTID Reports (USA), no. 27.]Search in Google Scholar
[OUEDRAOGO, M. (2001): Analyse statistique dans le cadre de l’amelioration génétique forestière en zone soudanosahelienne: Cas d’un essai de provenances d’Acacia senegal. Faculté Universitaire des Sciences agronomiques de Gembloux, Gembloux.]Search in Google Scholar
[RADDAD, E.Y. and O. LUUKKANEN (2006): Adaptive genetic variation in water-use efficiency and gum yield in Acacia senegal provenances grown on clay soil in the Blue Nile region, Sudan. Forest Ecology and Management 226: 219-229.10.1016/j.foreco.2006.01.036]Search in Google Scholar
[RAEBILD, A., B. O. DIALLO, L. GRAUDAL, M. DAO, M. and J. SANOU (2003a): Evaluation of a provenance trial of Acacia senegal at Djibo, Burkina Faso. Trial no. 5 in the Arid Zone Series. DFSC Results and Documentation 7, Danida Forest Seed Centre, Denmark.]Search in Google Scholar
[RAEBILD, A., L. GRAUDAL and K. M. GAMMANAGATTI (2003b): Evaluation of a species and provenance trial of Acacia at B. G. KERE, India. Trial no. 15 in the Arid Zone Series. DFSC Results and Documentation 33, Danida Forest Seed Centre, Denmark.]Search in Google Scholar
[RAEBILD, A., L. GRAUDAL and G. L. OUEDRAOGO (2003c): Evaluation of a provenance trial of Acacia senegal at Dori, Burkina Faso. Trial no. 8 in the Arid Zone Series. DFSC Results and Documentation 3, Danida Forest Seed Centre, Denmark..]Search in Google Scholar
[RAEBILD, A, L. GRAUDAL and G. L. OUEDRAOGO (2003d): Evaluation of a provenance trial of Acacia senegal at Gonsé, Burkina Faso. Trial no. 12 in the Arid Zone Series. DFSC Results and Documentation 5, Danida Forest Seed Centre, Denmark.]Search in Google Scholar
[REPUBLIQUE DU NIGER (2003): Strategie nationale de relance de la production et de la commercialisation de la gomme arabique au Niger. FAO, Rome. ]Search in Google Scholar
[SAS INSTITUTE INC. (1989): SAS/STAT® User’s Guide, Version 6. 4th ed., vol. 2. SAS Institute Inc., Cary, NC.]Search in Google Scholar
[VON MAYDELL, H.-J. (1986): Trees and shrubs of the Sahel. GTZ, Eschborn, Germany.]Search in Google Scholar
[WICKENS, G. E., A. G. SEIF ELDIN, S. GUINKO, S. and I. NAHAL (1995): Role of Acacia species in the rural economy of dry Africa and the near East. Forest resources division. FAO, Rome.]Search in Google Scholar