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Community dynamics and Floristic composition of Natural vegetation in Abaya Hamassa, Rift Valley of Ethiopia
Authore(s) : Eyasu Chama Didana || Department of BiologyFaculty of Natural and Computational ScienceWolaita Sodo UniversityPo Box 138Wolaita SodoEthiopia.
Volume : (3), Issue : 211, January - 2019
Abstract : Ethiopia, with its multidimensional biogeo terrain is unique for its species diversity and bizarre dispersion of wood land. A total of 315 plant species representing 198 genera and 59 families were identified in Abaya-Hamassa natural vegetation in the rift valley of Ethiopia. Six plant communities were identified and described. Community-environment correlation was assessed based on Ecological, physiological and pedological data collected from 55 quadrates (400 square meters ) belonging to eight selected sites between October 2013 to June 2014.The environmental parameters such as altitude, slope, aspect, PH, electrical conductivity, total nitrogen and soil texture (% sand, % clay and% slit) were measured for all quadrats. Among the environment parameters, altitude was negatively correlated with sand and clay. The floristic composition, floral diversity, identification of community type and community-environment interaction were investigated. The Percentage of coverage, Canopy, abundance and frequency of species were estimated and converted as per the modified Brawn-Blanquet 1-9 scale.
Keywords :Abaya Hamassa, Biodiversity, Communit,Environment ,interaction, Floristic composition, Systematics, Vegetation.
Article: Download PDF Journal DOI : 2364/2018
Cite This Article:
Floristic composition of Natural vegetation
Vol.I (3), Issue.I 211
Article No : 10021
Number of Downloads : 127
References :
Ali Seid (2004). Vegetation description and condition assessment of protected rangelands of Alagae and Neteli. Msc. thesis unpublished. Addis Ababa University.
Bayafers Tamene (2000). A floristic analysis and Ethnobotanical study of the semi-wetland of chefa area South Wello. Msc. thesis unpublished .Addis Ababa University.
Bormann, F. H., and Kellert, S. R. (ed.) (1991). Ecology, Economics, Ethics. The broken circle. Yale... More
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- Bayafers Tamene (2000). A floristic analysis and Ethnobotanical study of the semi-wetland of chefa area South Wello. Msc. thesis unpublished .Addis Ababa University.
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- Ali Seid (2004). Vegetation description and condition assessment of protected rangelands of Alagae and Neteli. Msc. thesis unpublished. Addis Ababa University.
- Bayafers Tamene (2000). A floristic analysis and Ethnobotanical study of the semi-wetland of chefa area South Wello. Msc. thesis unpublished .Addis Ababa University.
- Bormann, F. H., and Kellert, S. R. (ed.) (1991). Ecology, Economics, Ethics. The broken circle. Yale University press New Haven and London.
- Chopra, S. L. and Kanwar, J. S. (1982). Analytical Agricultural Chemistry. Kalyani publishers, New Delhi.
- Coppock, D. L. (1994). The Borana plateau of Southern Etiopia: Synthesis of pastoral Research, Development and Change, 1980-1991. ILCA. Addis Ababa, Ethiopia.
- Desalegn Wana (2002). Plant communities and diversity along altitudinal gradients From Lake Abaya to Chencha highlands. MA.Thesis unpublished. Addis Ababa University.
- Ensermu Kelbessa, Sebsebe Demissew, Zerihun Woldu and Edwards, S. (1992). Some threatened endemic plants of Ethiopia In: (Sue Edwards and Zemede Asfaw eds.), Botany 2000: East and Central Africa. NAPRECA Monograph Series No. 2., pp. 35-55.
- FAO (1980). Assistance to land use, Planning experts’ final repot. Forest resources and potentials for development (Ethiopia). AGOA:Eth/78/003, UNDP/FAO, Addis Ababa. PP. 54.
- FAO/UNESCO, (1990). Soil Map of the World: Revised Legend. FAO/UNESCO, Rome.
- Greig-Smith, P. (1983). Quantitative plant ecology. Third ed. Butterworths, London.
- Groombridge, B. (1992). Global biodiversity status of the earth’s living resources. A report compiled by the world Conservation Monitoring Center Chapman and Hall. London.
- Hussien Adal (2004). Traditional use, management and conservation of useful plants in dry land parts of North Shewa zone. Msc. Thesis unpublished. Addis Ababa University Huston, M. A. (1994). Biological Diversity. The coexistence of species on changing landscapes. Cambridge University press. Cambridge.
- Jackson, M. L. (1973). Soil chemical analysis, Prentice Hall of India Private limited New Delhi.
- Juo, A. (1978). Selected methods for soil and plant analysis. Institute of Tropical Agriculture. Ibadan, Nigeria.
- Kershaw, K. A. (1973). Quantitative and dynamic plant ecology.2^nded. The English Book Society and Edward Arnold publishers Ltd. London.
- Kumer, H. D. (1981). Modern concept of ecology. 2^(nd )reviewed ed. Vikas publisher, Delhi.
- Mohr, P. A. (1971). The Geography of Ethiopia. University college of Addis Ababa. Central printing pess. Addis Ababa, Ethiopia. Mueller-Dombois, D. and Ellenberg, H. (1974). Aims and Methods of Vegetation Ecology.
- John Wiles and Sons Inc.USA Paul, C. (1993). Ecology 2. John Wiley and Sons Inc. New York Brisbane. Toronto. Singapore.
- Shannon, C. E. and Wiener, W. (1949). The mathematical theory of communication. University of Illinois press. Urbana III.
- Shimwell, D. W. (1971). The description and classification of vegetation. Sidgwilk and Jacson. London.
- Teshome Soromessa(1997). An ecological study of the lowland vegetation of Key Afer-Shala Luka and southewest of Lake Chamo. Msc. thesis unpublished. Addis Ababa University.
- Tamrat Andargie (2001). Floristic composition and Ecology of the Savanna grassland and Woodland vegetation in Nechisar National Park and its conservation status. Msc. thesis unpublished. Addis Ababa University. U. S.
- National Research Council (1992).Conserving Biodiversity. A research agenda for Development Agencies.
- National academy Press, Washington D. C. Vaukasinovic, S. (1969). Report and Interpretation of the pedological investigation in the Harre Region, Near Arbaminch Gamo Gofa Province, Zurich (Switzerland).
- van der Maarel, E. (1979). Multivariate methods in phytosociology with reference to the Ntherland. The study of vegetation. Junk.
- The Hague. WCMC, (1991). Biodiversity Guide to Ethiopia. World Conservation Monitoring Center. Whittaker, R. H. (1962). Classification of plant communities. Biological Rev. 28: 1-239.
- White, F. (1983). The vegetation of Africa: A description Memoir to accompany the UNESCO/AETFAT/UNESCO vegetation map of Africa. Natural Resource Research 20. UNESCO. Paris.
- Whittaker, R. H. (1967). Gradient analysis of vegetation. Biol. Rev. 1: 281-289.
- Wolayta zone Agricultural office (2013). Annual report to the Southern Nations, Nationalities and Peoples’ Regional State Agricultural Office.
- Zerihun Woldu and Mesfin Tadesse (1990).The status of the vegetation in the lake regions of the rift valley of Ethiopia and the possibilities of its recovery. SINET: Ethio. J. Sci. 13: 97-120.
- Zerihun Woldu, Mesresha fetene and Asferachew Abate (1999). Vegetation under different tree species in Acacia woodland in the rift valley of Ethiopia. SINET: Ethio. J. Sci. 22: 235-252 Faculty of Science Addis Ababa university.