[Aerts R., van Overtveld K., Haile M, Hermy M. Deckers J. & Muys B. 2006. Species composition and diversity of small Afromontane forest fragments in northern Ethiopia. Plant Ecol. 187: 127-142.10.1007/s11258-006-9137-0]Search in Google Scholar
[Albert R. S. & Christian S. 2007. Interactions of Elevation, Aspect, and Slope in models of Forest Species Composition and Productivity. Forest Sci. 53: 486-492.]Search in Google Scholar
[Austin M. P., Nicholls A. O. & Margules C. R. 1990.]Search in Google Scholar
[Measurement of the realized qualitative niche: environmental niches of Eucalyptus species. Ecological Mono. 60: 161-177.10.2307/1943043]Search in Google Scholar
[Bale C. L. & Charley J. L. 1994. The impact of aspect on forest floor characteristics in some eastern Australian sites. Forest Ecol. Manage. 67: 305-317.10.1016/0378-1127(94)90025-6]Search in Google Scholar
[Bale C. L., Williams B. J. & Charley J. L. 1998. The impact of aspect on forest structure and floristics in some eastern Australian sites. Forest Ecol. Manage. 110: 363-377.10.1016/S0378-1127(98)00300-4]Search in Google Scholar
[Bekele T. 1994. Phytosociology and Ecology of a Humid Afromontane Forest on the Central Plateau of Ethiopia. J. Veg. Sci. 5: 87-9810.2307/3235642]Search in Google Scholar
[Chaffey D. R. 1979. Southwest Ethiopia Forest Inventory Project. An Inventory of Forest at Munessa and Shashemene. Project Report 29. Land Resources Division, Ministry of Overseas Development, London.]Search in Google Scholar
[Dessie G. & Kleman J. 2007. Pattern and Magnitude of Deforestation in the South Central Rift Valley Region of Ethiopia. Mountain research and development 27: 162-168.10.1659/mrd.0730]Search in Google Scholar
[Didita M., Nemomissa S. & Woldemariam Gole T. 2010. Floristic and structural analysis of the woodland vegetation around Dello Menna, Southeast Ethiopia. J. For. Res. 21: 395-408.]Search in Google Scholar
[Dufrene M. & Legendre P. 1997. Species assemblages and indicator species: the need for a flexible asymmetrical approach. Ecological Mono. 67: 345-366.10.1890/0012-9615(1997)067[0345:SAAIST]2.0.CO;2]Search in Google Scholar
[Edwards S., Demissew S. & Hedverg I. (eds.). 1997. Flora of Ethiopia and Eritrea, vol. 6. National Herbarium, Addis Ababa and Uppsala University, Uppsala.]Search in Google Scholar
[Edwards S., Tadesse M., Demissew S. & Hedverg I. (eds.). 2000. Flora of Ethiopia and Eritrea, part 1, vol. 2. National Herbarium, Addis Ababa and Uppsala University, Uppsala.]Search in Google Scholar
[Edwards S., Woldemariam Gole T. & Hedverg I. (eds.). 1995. Flora of Ethiopia and Eritrea. vol. 2, part 2. Canellaceae to Euphorbiaceae. Addis Ababa and Uppsala University, Uppsala.]Search in Google Scholar
[Ellu G. & Obusa J. 2005. Tree conditions and natural regeneration in disturbed sites of Bwindi Impenetrable forest national park, South-western Uganda. Tropical Ecol. 46: 99-111.]Search in Google Scholar
[Eriksson H. & Stern M. 1987. A soil study at Wono Genet forestry resources institute, Ethiopia. Swedish University of Agricultural Sciences, International Rural Development Centre. Working paper 48, 65 pp., Uppsala.]Search in Google Scholar
[Fontaine M., Aerts R., Özakan K, Mert A., Gulsoy S., Suel H., Waelkens M. & Muys B. 2007 Elevation and exposition rather than soil types determine communities and their suitability in Mediterranean mountain forest. Forest Ecol. Manage. 247: 18-25.10.1016/j.foreco.2007.04.021]Search in Google Scholar
[Friis I. 1992. Forests and forest trees of northeast tropical Africa - their natural habitats and distribution patterns in Ethiopia, Djibouti and Somalia. Kew Bull. Add. Ser. 15: 1-396.]Search in Google Scholar
[Friis I., Rasmussen F. N. & Vollesen K. 1982. Studies in the flora and vegetation of SW Ethiopia. Opera Botanica 63: 1-70.]Search in Google Scholar
[Friis I., Edwards S., Ensermu K. & Sebsebe D. 2001. Diversity and endemism in the flora of Ethiopia and Eritrea-what do the published Flora volumes tell us? In: I. Friis & O. Ryding (eds.). Proceedings of the 3rd International Symposium on the Flora of Ethiopia & Eritrea. Biol. Skr. 54: 173-193.]Search in Google Scholar
[Friis I., Demissew S. & Breugel P. V. 2010. Atlas of the potential vegetation of Ethiopia. The Royal Danish Academy of Sciences and Letters, Copenhagen, Denmark.]Search in Google Scholar
[Gebre-Egziabher T. 1991. Diversity of Ethiopian flora. In: J. M. M. Engels, J. G. Hawak es & W. Melaku (eds.). Plant Genetic Resources of Ethiopia, pp 75-81. Cambridge University Press, Cambridge.10.1017/CBO9780511551543.005]Search in Google Scholar
[Hedberg I. & Edwards S. (eds.). 1989. Flora of Ethiopia, vol. 3. Pittosporaceae to Araliaceae, 659 pp. The National Herbarium, Addis Ababa and Uppsala University, Uppsala.]Search in Google Scholar
[Hedberg I. & Edwards S. (eds.). 1995. Flora of Ethiopia, vol. 7. Poaceae (Gramineae), 420 pp. The National Herbarium, Addis Ababa and Uppsala University, Uppsala.]Search in Google Scholar
[Hedberg I., Edwards S. & Nemomissa S. (eds.). 2003. Flora of Ethiopia and Eritrea, vol. 4 (2), Part 1: Apiaceae to Dipsacaceae, 352 pp. The National Herbarium, Addis Ababa and Uppsala University, Uppsala.]Search in Google Scholar
[Hitimana J., Legilisho K. J. & Njunge J. T. 2004. Forest structure characteristics in disturbed sites of Mt. Elgon Moist Lower Montane Forest, western Kenya. Forest Ecology Management 194: 269-29110.1016/j.foreco.2004.02.025]Search in Google Scholar
[Holland P. G. & Steyne D. G. 1975. Vegetation response to latitudinal variations in slope angle and aspect. J. Biogeo. 2: 179-183.10.2307/3037989]Search in Google Scholar
[Kharkwal G., Mehrota P., Rawat Y. S. & Rico-Gray V. 2005. Distribution of plant life forms along an altitudinal gradient in the Central Himalayan region of India. Current Sci. 89: 873-878.]Search in Google Scholar
[Kindt R. & Coe R. 2005. Tree diversity analysis. A manual and software for common statistical methods for ecological and biodiversity studies, 207 pp. World Agroforestry Centre (ICRAF) Nairobi.]Search in Google Scholar
[Lomolino M. V. 2001. Elevation gradients of species-density: historical and prospective views. Global Ecol. Biogeo. 10: 3-13.10.1046/j.1466-822x.2001.00229.x]Search in Google Scholar
[Lulekal L., Kelbessa E., Bekele T. & Yineger H. 2008. Plant species composition and structure of the Mana Angetu moist montane forest, south-eastern Ethiopia. J. East Afri. Nat. Hist. 97: 165-185.]Search in Google Scholar
[Lyaruu H. V., Eliapenda S. & Backeus I. 2000. Floristic, structural and seed bank diversity of a dry Afromontane forest at Mafai, central Tanzania. Biodivers Conserv 9: 241-263.]Search in Google Scholar
[Magurran A. E. 2004. Measuring biological diversity. 256 pp. Black-well Sciences, Oxford, UK.]Search in Google Scholar
[McCune B. & Grace J. B. 2002. Analysis of Ecological Communities. MjM Software Design, Gleneden Beach.]Search in Google Scholar
[McCune B. & Mefford M. J. 2006. PC-ORD. Multivariate analysis of ecological data, Version 5. MjM Software design, Gleneden Beach.]Search in Google Scholar
[Ovales F. A. & Collins M. E. 1986. Soil-landscape relationships and soil variability in North Central Florida. Soil Sci. Soc. Ame. J. 50: 401-408.10.2136/sssaj1986.03615995005000020029x]Search in Google Scholar
[Senbeta F. & Teketa y D. 2003. Diversity, community types and population structure of woody plants in Kimphee Forest: a Unique Nature Reserve in Southern Ethiopia. Ethiopian Journal of Biological Society 2: 169-187.]Search in Google Scholar
[Senbeta F. & Manfred D. 2006. Effects of wild coffee management on species diversity in the Afromontane rainforests of Ethiopia. Forest Ecology and Management 232: 68-7410.1016/j.foreco.2006.05.064]Search in Google Scholar
[Sharman C. M., Suyal S., Gairola S. & Ghildiyal S. K. 2009. Species richness and diversity along an altitudinal gradient in moist temperate forest of Garhwal Himalaya. Journal of American Science 5: 119-128.]Search in Google Scholar
[Smith J. M. B. 1977. Vegetation and microclimate of east- and west-facing slopes in the grasslands of Mt. Wihelm, Papua New Guinea. J. Ecol. 65: 39-53.]Search in Google Scholar
[Smith T. & Huston M. 1989. A theory of spatial and temporal dynamics of plant communities. Vegetatio 83: 49-69.10.1007/BF00031680]Search in Google Scholar
[Soromessa S., Teketa y D. & Demissew S. 2004. Ecological study of the vegetation in Gamo Gofa zone, southern Ethiopia. J. Trop. Ecol. 45: 209-221.]Search in Google Scholar
[Tadesse M. & Nigat u L. 1996. An ecological and ethnobotanical study of wild or spontaneous coffee, Coffea arabica in Ethiopia. In: L. J. G. va n der Maesen, X. M. va n der Burgt & J. M. va n Eedenbach de Rooy (eds.). The Biodiversity of African Plants, pp. 227-294. Kluwer Academic Publishers, Dordrecht.10.1007/978-94-009-0285-5_36]Search in Google Scholar
[Teketay D. 1995. Floristic composition of Dakata Valley, south-eastern Ethiopia, an implication for the conservation of biodiversity. Mt. Res. Dev. 15: 183-186.]Search in Google Scholar
[Teketay D. 1997. Seedling population and regeneration of woody species in Dry Afromontane Forests of Ethiopia. For. Ecol. Manage. 98: 149-165.10.1016/S0378-1127(97)00078-9]Search in Google Scholar
[Teketay D. & Bekele T. 1995. Floristic composition of Wof- Washa natural forest, Central Ethiopia: implications for the conservation of biodiversity. Feddes Repertorium 106: 127-147.]Search in Google Scholar
[Tesfaye G., Bekele T. & Demissew S. 2008. Dryland woody vegetation along an altitudinal gradient on the eastern escarpment of Welo, Ethiopia. Eth. J. Sci. 31: 43-54.]Search in Google Scholar
[Tewolde B. G. E. 1986. Preliminary studies on the ecology of a natural coffee (Coffea arabica) forest with emphasis on coffee. Symb. Bot. Ups. 26: 146-156.]Search in Google Scholar
[Vivero J. L., Kelb essa E. & Demissew S. 2006. Progress on the Red List of plants of Ethiopia and Eritrea: conservation and biogeography of endemic flowering taxa. In: S. A. Ghazanfa r & H. J. Beentje (eds.). Taxonomy and ecology of African plants, their conservation and sustainable use, pp. 761-778. Royal Botanic Gardens, Kew.]Search in Google Scholar
[Woldemariam Gole T., Teketa y D., Edwards S. & Olsson M. 2000. Woody plants and avian species diversity in a dry Afromontane forest on the central plateau of Ethiopia: biological indicators for conservation. Eth. J. Nat. Res. 2: 255-293.]Search in Google Scholar
[Woldemariam Gole T., Borsch T., Denich M. & Teketa y D. 2008. Floristic composition and environmental factors characterizing coffee forests in south-west Ethiopia. Forest Ecol. Manage 255: 2138-2150.10.1016/j.foreco.2007.12.028]Search in Google Scholar
[Yimer F., Abdelkadir A. & Ledin S. 2006. Soil property variations in relation to topographic aspect and vegetation community in the South-eastern highlands of Ethiopia.Forest Ecol. Manage. 232: 90-99. 10.1016/j.foreco.2006.05.055]Search in Google Scholar