Grassroots Grassroots - Vol 19 No 4 | Page 12

FEATURE References 1. Aganga, A.A., Adogla-Bessa, T., Omphile, U.J. and Tshireletso, K. 2000. Significance of browses in the nutrition of Tswana goats. Archivos de Zootecnia, 49, 469-480. 2. Ai, M., Sun, Y., Yan, B. and Wei, Y. 2018. A summary of the impact of Land degradation on soil carbon sequestration. In IOP Conference Series: Materials Science and Engineering, 394, 1-6. 3. Barnes R.D., Fagg, C.W. and Milton, S.J. 1997. Acacia Erioloba. Monograph & Annotated bibliography: Tropical forestry papers, No 35. Oxford institute. Department of plant Sciences, University of Oxford. 4. Frey, M. 2010. Soils of South Africa. Cambridge University Press. Cape Town, South Africa. 5. Hauwanga, W.N., McBenedict, B. and Strohbach., B.J. 2018. Trends of phanerophyte encroacher species along an aridity gradient on Kalahari sands, central Namibia. European Journal of Ecology, 4(2), 41-48. 6. Mainuri, Z.G. and Owino, J.O. 2014. Linking landforms and land use to land degradation in the Middle River Njoro Wa- tershed. International Soil and Water Conservation Research, 2(2), 1-10. 7. Mlambo, V., Marume, U. and Gajana, C.S. 2015. Utility of the browser’s behavioural and physiological strategies in cop- ing with dietary tannins: Are exogenous tannin- inactivating treatments necessary?. South African Journal of Animal Science, 45(5), 441-451. 8. Orwa, C., Mutua, A., Kindt, R., Jamnadass, R. and Anthony, R.S. 2009. Acacia Erioloba. Agroforestree Database: a tree reference and selection guide version 4.0. 9. Ravhuhali, K.E. 2018. Spatial variation in density, species composition and nutritive value of vegetation in selected com- munal areas. PhD Thesis. Department of Animal Science, North West University. South Africa. 10. Revermann, R., Krewenka, K., Schmiedel, U., Olwoch, J.M., Helmschrot, J. and Jurgens, N. eds. 2018. Climate change and adaptive land management in Southern Africa: Assessments, changes, challenges, and solutions. Biodiversity and Ecology, 6, Klaus Hess Publishers, Gottingen and Windhoek. 11. Tietema, T., Tolsma, D.J., Veenendaal, E.M. and Schroten, J. 1990. Plant response to human activities in the tropical Savanna ecosystems of Botswana. In Rozema, J & Verkleij, J.A.C (eds). Ecological responses to environmental stresses. Kluwer Academic Press, 262-276. 11 Grassroots Vol 19 No 4 November 2019