跳至主要内容

Socio-Economic Factors Affecting Conservation and Sustainable Utilization of the Vegetation Resources on the Islands of Lake Ziway, South-Central Ethiopia

Read full paper at:
http://www.scirp.org/journal/PaperInformation.aspx?PaperID=51552#.VG2pkGfHRK0

The study was conducted on the islands of Lake Ziway, south-central Ethiopia. The aim of the study was to investigate the socio-economic factors affecting the vegetation resources and the indigenous resource management systems and practices on the islands. Data were collected by field observations, interviews and group discussion. The island communities were engaged in diverse economic activities. The fishing industry was the main pillar of the economy as most of the income (75.7%) was derived from this sector. The existence of diverse economic activities had relieved the pressure on the vegetation resources. The natural vegetation was the major source of fuelwood, construction material, farm implements, edible fruits, medicines, fodder and bee forage. The islanders have maintained the soil and vegetation resources for centuries through their environmental friendly resource management systems and practices. At present, however, the vegetation resources are dwindling due to free livestock grazing, farmland expansion, soil erosion and tree cutting for various purposes, all of which are driven by human population growth. Since the islanders have high respect and trust for the church, integrating environment and development issues with this institution would be more effective. The prevailing natural and anthropogenic factors affecting the vegetation resources on the islands necessitate effective conservation and management interventions.
Cite this paper
Zegeye, H. , Teketay, D. and Kelbessa, E. (2014) Socio-Economic Factors Affecting Conservation and Sustainable Utilization of the Vegetation Resources on the Islands of Lake Ziway, South-Central Ethiopia. Natural Resources, 5, 864-875. doi: 10.4236/nr.2014.514074.
 

[1] Lomolino, M.V., Riddle, B.R. and Brown, J.H. (2006) Biogeography. 3rd Edition, Sinauer Associates, Inc., Sunderland.
[2] Kellman, M.C. (1980) Plant Geography. 2nd Edition, Methuen, London.
[3] Lomolino, M.V. and Heaney, L.R., Eds. (2004) Frontiers of Biogeography: New Directions in the Geography of Nature. Sinauer Associates, Inc., Sunderland.
[4] IUCN/UNEP (1986) Managing Protected Areas in the Tropics. IUCN, Gland, Switzerland.
[5] Cook, J.A. and MacDonald, S.O. (2001) Should Endemism Be a Focus of Conservation Efforts along the North Pacific Coast of North America? Biological Conservation, 97, 207-213.
http://dx.doi.org/10.1016/S0006-3207(00)00113-0
[6] Johnson, G.B. (2006) The Living World. 4th Edition, McGraw-Hill Higher Education, Boston.
[7] Ricklefs, R.E. (2007) The Economy of Nature. 5th Edition, W.H. Freeman and Company, New York.
[8] Blondel, J., Aronson, J., Bodiou, J-Y. and Boeuf, G. (2010) The Mediterranean Region: Biological Diversity in Space and Time. 2nd Edition, Oxford University Press, New York.
[9] Ricklefs, R.E. and Miller, G.L. (2000) Ecology. 4th Edition, W.H. Freeman, New York.
[10] Zegeye, H., Teketay, D. and Kelbessa, E. (2006) Diversity, Regeneration Status and Socio-Economic Importance of the Vegetation in the Islands of Lake Ziway, South-Central Ethiopia. Flora: Morphology, Distribution, Functional Ecology of Plants, 201, 483-498.
http://dx.doi.org/10.1016/j.flora.2005.10.006
[11] Stern, N. (2006) Stern Review: The Economics of Climate Change. Cambridge University Press, Cambridge.
[12] Cook, J.A., Bidlack, A.L., Conroy, C.J., Demboski, R.J., Fleming, M.A., Runk, A.M., Stone, K.D. and MacDonald, S.O. (2001) A Phylogeographic Perspective on Endemism in the Alexander Archipelago of Southeast Alaska. Biological Conservation, 97, 215-227.
http://dx.doi.org/10.1016/S0006-3207(00)00114-2
[13] IUCN (1990) Biodiversity in Sub-Saharan Africa and Its Islands: Conservation, Management and Sustainable Utilization. Occasional Papers of the IUCN Species Survival Commission No. 6. IUCN, Gland, Switzerland.
[14] Alelign, A., Teketay, D., Yemshaw, Y. and Edwards, S. (2007) Diversity and Status of Regeneration of Woody Plants on the Peninsula of Zegie, Northwestern Ethiopia. Tropical Ecology, 48, 37-49.
[15] Alelign, A., Yemshaw, Y., Teketay, D. and Edwards, S. (2011) Socio-Economic Factors Affecting Sustainable Utilization of Woody Species in Zegie Peninsula, Northwestern Ethiopia. Tropical Ecology, 52, 13-24.
[16] Teklehaymanot, T. and Giday, M. (2007). Ethnobotanical Study of Medicinal Plants Used by People in Zegie Peninsula, Northwestern Ethiopia. Journal of Ethnobiology and Ethnomedicine, 3, 12.
http://dx.doi.org/10.1186/1746-4269-3-12
[17] Makin, M.J., Kingham, T.J., Waddams, A.E., Birchall, C.J. and Evis, B.W. (1976) Land Resources Study: 26. Prospects for Irrigation Development around Lake Zwai, Ethiopia. Land Resources Division, Ministry of Overseas Development, England.
[18] Street, F.A. (1979) Late Quaternary Lakes in the Ziway-Shalla Basin, Southern Ethiopia. Ph.D. Thesis, Cambridge University, Cambridge.
[19] Woldu, Z. and Tadesse, M. (1990) The Status of the Vegetation in the Lakes Region of the Rift Valley of Ethiopia and the Possibilities of Its Recovery. SINET: Ethiopian Journal of Science, 13, 97-120.
[20] Friis, I. (1992) Forests and Forest Trees of Northeast and Tropical Africa: Their Natural Habitats and Distribution Patterns in Ethiopia, Djibouti and Somalia. Kew Bulletin Additional Series XV: 1-396. HMSO, London.
[21] Nadamo, T. (1982) A History of the Zay in the 19th and Early 20th Centuries. BA Thesis, Addis Ababa University, Addis Ababa.
[22] Edetto, T. (1988) Socio-Economic Life of the Zay with Special Emphasis on the Fishing Industry. BA Thesis, Addis Ababa University, Addis Ababa.
[23] Martin, G.J. (1995) Ethnobotany: A Methods Manual. Chapman and Hall, London.
http://dx.doi.org/10.1007/978-1-4615-2496-0
[24] Cunningham, A.B. (2001) Applied Ethnobotany: People, Wild Plant Use and Conservation. Earthscan, London.
[25] Teketay, D., Senbeta, F., Maclachlan, M., Bekele, M. and Barklund, P. (2010) Edible Wild Plants in Ethiopia. Addis Ababa University Press, Addis Ababa.
[26] Giday, M. (1999) An Ethnobotanical Study of Medicinal Plants Used by the Zay People in Ethiopia. M.Sc. Thesis, Swedish Biodiversity Centre, Uppsala.
[27] Fichtl, R. and Adi, A. (1994) Honeybee Flora of Ethiopia. Margraf Verlag, Weikersheim.                                             eww141120lx
标签：

评论

发表评论

此博客中的热门博文

A Comparison of Methods Used to Determine the Oleic/Linoleic Acid Ratio in Cultivated Peanut (Arachis hypogaea L.)

Cultivated peanut ( Arachis hypogaea L.) is an important oil and food crop. It is also a cheap source of protein, a good source of essential vitamins and minerals, and a component of many food products. The fatty acid composition of peanuts has become increasingly important with the realization that oleic acid content significantly affects the development of rancidity. And oil content of peanuts significantly affects flavor and shelf-life. Early generation screening of breeding lines for high oleic acid content greatly increases the efficiency of developing new peanut varieties. The objective of this study was to compare the accuracy of methods used to classify individual peanut seed as high oleic or not high oleic. Three hundred and seventy-four (374) seeds, spanning twenty-three (23) genotypes varying in oil composition (i.e. high oleic (H) or normal/not high oleic (NH) inclusive of all four peanut market-types (runner, Spanish, Valencia and Virginia), were individually tested ...
发表评论
阅读全文

Location Optimization of a Coal Power Plant to Balance Costs against Plant’s Emission Exposure

Fuel and its delivery cost comprise the biggest expense in coal power plant operations. Delivery of electricity from generation to consumers requires investment in power lines and transmission grids. Placing a coal power plant or multiple power plants near dense population centers can lower transmission costs. If a coalmine is nearby, transportation costs can also be reduced. However, emissions from coal plants play a key role in worsening health crises in many countries. And coal upon combustion produces CO 2 , SO 2 , NO x , CO, Metallic and Particle Matter (PM10 & PM2.5). The presence of these chemical compounds in the atmosphere in close vicinity to humans, livestock, and agriculture carries detrimental health consequences. The goal of the research was to develop a methodology to minimize the public’s exposure to harmful emissions from coal power plants while maintaining minimal operational costs related to electric distribution losses and coal logistics. The objective was...
发表评论
阅读全文

Evaluation of the Safety and Efficacy of Continuous Use of a Home-Use High-Frequency Facial Treatment Appliance

At present, many home-use beauty devices are available in the market. In particular, many products developed for facial treatment use light, e.g., a flash lamp or a light-emitting diode (LED). In this study, the safety of 4 weeks’ continuous use of NEWA TM , a high-frequency facial treatment appliance, every alternate day at home was verified, and its efficacy was evaluated in Japanese individuals with healthy skin aged 30 years or older who complained of sagging of the facial skin.  Transepidermal water loss (TEWL), melanin levels, erythema levels, sebum secretion levels, skin color changes and wrinkle improvement in the facial skin were measured before the appliance began to be used (study baseline), at 2 and 4 weeks after it had begun to be used, and at 2 weeks after completion of the 4-week treatment period (6 weeks from the study baseline). In addition, data obtained by subjective evaluation by the subjects themselves on a visual analog scale (VAS) were also analyzed. Fur...
发表评论
阅读全文