Ecology and Development Series No. 10, 2003 - ZEF
Ecology and Development Series No. 10, 2003 - ZEF Ecology and Development Series No. 10, 2003 - ZEF
Conclusions and recommendations7 CONCLUSIONS AND RECOMMENDATIONS7.1 ConclusionsYayu forest is a highly valuable forest ecosystem for biodiversity conservation. Theavailability of abundant wild coffee population makes it a keystone forest ecosystem for theconservation of the genetic resources of coffee in the country. However, flat to gentle slopeareas are the most important parts of the forest to find higher abundances of the coffeetrees. High diversity of other plant species also makes the forest one of the most importantforest areas for the conservation of biodiversity in Ethiopia.Traditional forest management systems for coffee population in Yayu area hamperthe regeneration of most plant species. Highly affected are shade tolerant old-growth forestspecies and small trees that are not important as shade trees. In general, the following canbe concluded: (a) the species diversity decreases sharply with the increase in the age ofmanagement; (b) the population structures of many species, including coffee, are modifiedthrough management, which negatively affects their ability to regenerate in these forests;and (c) such forests, however, have fairly high plant species diversity and can contribute tobiodiversity conservation than other land use types like agriculture. From the status of theold secondary forest, one can also conclude that abandoned settlements areas or managedforests can be restored in species diversity, composition and structure through time.However, minimum time required for such restoration through secondary succession hasyet to be investigated.GIS-based multi-criteria evaluation is a useful tool and objective approach toidentify the different management zones of a reserve, based on biological, physical andsocial suitability criteria. However, the resulting suitability map and identified reservezones should only be used as guide in the reserve planning, and the final decision be madein agreement with the local community. Some areas identified by the GIS-based model asbuffer zones may have to be upgraded to a core zone and some areas of the transition zoneto buffer zones for successfully fulfilling the conservation goals.125
Conclusions and recommendations7.2 RecommendationsGiven the high level of dependency of the local community on the forest coffeeproduction, the importance of the forests for conservation of wild coffee population andother plant species, and the threat on such forests due to increasing population pressure anddemand for more land, it is less likely that the forest areas that are currently managed forcoffee production be abandoned to provide the opportunity for natural restoration throughsuccession. Neither does such management allows regeneration of major tree species.Hence, the following activities are recommended regarding management, conservation andfuture research:1. Protection of the undisturbed forest area: This can be achieved by establishingreserve for the conservation of wild coffee population and associatedbiodiversity in the undisturbed forest parts. Beside the availability of abundantwild coffee population and diverse plant species, the forest constitutes thelargest undisturbed forest fragment in the country known to have wild coffeepopulation. The reserve design developed in this study can be used as a startingpoint for establishing and managing it.2. Use of other complementary conservation approaches. In situ on-farm andhomegardens, and the ex situ conservation methods such as field gene banks andcryopreservation of seeds can enhance the conservation and use of coffeegenetic resources. The traditional coffee production systems and maintenance ofthe local landraces should be encouraged in areas where there is a threat oncultivated coffee due to replacement by other crops. Ex situ methods have theadvantage of easy access for characterization and evaluation in order to use thecollected genetic materials for breeding or genetic enhancements of thecultivated plants. Currently, there are two field gene banks in SW Ethiopia (inJimma and Chochie). However, the accessions collected from different areas ofdifferent climatic conditions may not easily adapt to the local condition of asingle field gene bank for long term. Hence, it is recommended to establish asmaller field gene bank in the locality.126
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- Page 136 and 137: ReferencesBatisse M. 1986 Developin
- Page 138 and 139: ReferencesDavis A.P. and Rokotonaso
- Page 140 and 141: ReferencesESRI. 1996. ArcView GIS:
- Page 142 and 143: ReferencesIUCN 1992. Protected Area
- Page 144 and 145: ReferencesMesfin Ameha and Bayetta
- Page 146 and 147: ReferencesSmith R.F. 1985. A histor
- Page 148 and 149: ReferencesVan Jaarsveld A.S., Freit
- Page 150 and 151: Appendices9 APPENDICESAppendix 1 Li
- Page 152 and 153: AppendicesD. repandum (Vahl) DC, [H
- Page 154 and 155: AppendicesSapotaceaeAningeria altis
- Page 156 and 157: AppendicesAppendix 3 Families of va
- Page 158 and 159: AppendicesAppendix 5. ANOVA tables:
- Page 160 and 161: AppendicesAppendix 7 Height class d
- Page 162 and 163: AppendicesGFUNDFOR OLSFOR SF-NEW SF
- Page 164 and 165: AppendicesAppendix 10. List of loca
- Page 166 and 167: AppendicesNumber Family name Scient
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- Page 170 and 171: ACKNOWLEDGEMENTSI am very grateful
Conclusions <strong>and</strong> recommendations7.2 RecommendationsGiven the high level of dependency of the local community on the forest coffeeproduction, the importance of the forests for conservation of wild coffee population <strong>and</strong>other plant species, <strong>and</strong> the threat on such forests due to increasing population pressure <strong>and</strong>dem<strong>and</strong> for more l<strong>and</strong>, it is less likely that the forest areas that are currently managed forcoffee production be ab<strong>and</strong>oned to provide the opportunity for natural restoration throughsuccession. Neither does such management allows regeneration of major tree species.Hence, the following activities are recommended regarding management, conservation <strong>and</strong>future research:1. Protection of the undisturbed forest area: This can be achieved by establishingreserve for the conservation of wild coffee population <strong>and</strong> associatedbiodiversity in the undisturbed forest parts. Beside the availability of abundantwild coffee population <strong>and</strong> diverse plant species, the forest constitutes thelargest undisturbed forest fragment in the country known to have wild coffeepopulation. The reserve design developed in this study can be used as a startingpoint for establishing <strong>and</strong> managing it.2. Use of other complementary conservation approaches. In situ on-farm <strong>and</strong>homegardens, <strong>and</strong> the ex situ conservation methods such as field gene banks <strong>and</strong>cryopreservation of seeds can enhance the conservation <strong>and</strong> use of coffeegenetic resources. The traditional coffee production systems <strong>and</strong> maintenance ofthe local l<strong>and</strong>races should be encouraged in areas where there is a threat oncultivated coffee due to replacement by other crops. Ex situ methods have theadvantage of easy access for characterization <strong>and</strong> evaluation in order to use thecollected genetic materials for breeding or genetic enhancements of thecultivated plants. Currently, there are two field gene banks in SW Ethiopia (inJimma <strong>and</strong> Chochie). However, the accessions collected from different areas ofdifferent climatic conditions may not easily adapt to the local condition of asingle field gene bank for long term. Hence, it is recommended to establish asmaller field gene bank in the locality.126