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Environmental Impact Assessment of the Elimination of the Tsetse Fly Using SIT in the Southern Rift Valley of Ethiopia

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Environmental Impact Assessment of the Elimination of the Tsetse Fly Using SIT in the Southern Rift Valley of Ethiopia View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by CGSpace Environmental impact assessment of the elimination of the tsetse fly using SIT in the southern Rift Valley of Ethiopia Final report to the International Atomic Energy Agency (IAEA), Vienna, Austria Submitted 12 March 2002 Cathleen J. Wilson, John McDermott and Robin Zerihun Woldu, Sebsebe Demissew and S. Reid Tesfaye Korme International Livestock Research Institute Addis Ababa University (ILRI), Nairobi, Kenya Addis Ababa, Ethiopia Table of Contents Executive summary............................................................................................................. 4 Introduction......................................................................................................................... 6 Description of the project area........................................................................................ 9 General description ......................................................................................................... 9 Soils............................................................................................................................. 9 Vegetation................................................................................................................... 9 Land-use...................................................................................................................... 9 Potential impacts of tsetse control on land use and the environment ............................... 12 Methods............................................................................................................................. 15 Site selection and study design ..................................................................................... 15 Sampling methods......................................................................................................... 16 Birds.......................................................................................................................... 16 Vegetation................................................................................................................. 17 Mammals................................................................................................................... 17 Data analysis ................................................................................................................. 17 Results and discussion ...................................................................................................... 19 Birds (Wilson and Reid) ............................................................................................... 19 Bird species data by transect..................................................................................... 19 Bird species data by land-use/land cover types ........................................................ 20 Highland cultivation.................................................................................................. 20 Highland grazing....................................................................................................... 21 Open bushland .......................................................................................................... 21 Wooded grassland..................................................................................................... 21 Riparian..................................................................................................................... 22 Grassland (in Nechisar only) .................................................................................... 22 Shoreline ................................................................................................................... 22 Bird species composition .......................................................................................... 23 Vegetation (Sebsebe, Zerihun and Reid) ...................................................................... 26 Highland cultivation.................................................................................................. 27 Highland forest.......................................................................................................... 28 Highland grazing....................................................................................................... 28 Lowland open bushland ............................................................................................ 28 Lowland wooded grassland....................................................................................... 29 Lowland riparian woodlands..................................................................................... 29 Mammals (Wilson and Reid)........................................................................................ 30 Conclusions....................................................................................................................... 33 Birds.............................................................................................................................. 33 Plants............................................................................................................................. 33 Mammals....................................................................................................................... 33 Birds.............................................................................................................................. 34 Plants............................................................................................................................. 34 Mammals....................................................................................................................... 34 Recommendations............................................................................................................. 35 1. Future land management........................................................................................... 35 2. Monitoring ................................................................................................................ 35 3. Future studies and monitoring .................................................................................. 35 References......................................................................................................................... 37 2 Annexes............................................................................................................................. 42 Annex I: Administrative Report.................................................................................... 42 Title................................................................................................................................... 45 Terms of reference ........................................................................................................ 45 Terms of reference for ILRI:......................................................................................... 45 Terms of Reference for AAU: ...................................................................................... 45 Terms of reference for Tesfaye Korme of AAU........................................................... 46 Status of project—ILRI................................................................................................. 47 Bird species data by transect..................................................................................... 49 Bird species data by land-use/land cover types ........................................................ 49 Highland cultivation.................................................................................................. 50 Highland grazing....................................................................................................... 50 Open bushland .......................................................................................................... 50 Wooded grassland..................................................................................................... 51 Riparian..................................................................................................................... 51 Grassland (in Nechisar only) .................................................................................... 51 Shoreline ................................................................................................................... 52 Bird species composition .......................................................................................... 52 Status of project—AAU Team.................................................................................. 60 Experimental design for bird/plant diversity sampling............................................. 60 Highland cultivation.................................................................................................. 62 Highland forest.......................................................................................................... 63 Highland grazing....................................................................................................... 63 Open bushland .......................................................................................................... 64 Wooded grassland..................................................................................................... 64 The Riparian.............................................................................................................. 65 Mitigation measures.................................................................................................
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