甲比科特流域水土流失成因与综合治理分析

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1、ABSTRACT劢cseva'esoilandwatererosionintheEthiopiaPlateauhadnotonlymadelocaleco-environmentfragile,impoverishedlocalpeople，butalsobroughtoutgreathazardstOnationalfoodsecurity．，11ledevelopmentofsoilandwaterconservationinEthiopiaPlateauhadastrategicsignificanttOgainsustainabledevelopmentofnat

2、ionalfood．Inthisarticle，JabiQuaritWatershedhadbeenusedasasamplewatershed．．11lecausesofsoilerosionhadbeenanalyzedandthemeasuresofconservationandrehabilitationhadbeendesignedinlinewimtherealityoftheJabiQuaritWatershed．nespecificcontentswereasfollows：(1)ThewholesituationofJabiQuaritwatershed

3、hadbeenintroduced，thatcontainedgeologysituation，physiognomysituation，landusesituation,soillosssituationandthecurrentsituationofsoilandwaterconservation．(2)nec,ausesofthesoilerosionhadbeenanalyzed．r11leeffectonsoillossandsoilandwaterconservationrehabilitationhadbeenanalyzedthroughnaturalas

4、pect,suchasrainfallandvegetation．Thedeep-seatedcausesofsoilerosionhadbeenanalyzedthroughthesocietyaspects．(3)ThemeasuresofsoilandwaterconservationandrehabilitationhadbeenanalyzedinJabiQuaritinEthiopiaPlateau．Sub-watershed-basedcomprehensiverehabilitationmeasureshadbeenplannedaccordingtOth

5、edifferentsoillosscharacters，regularsandtypes．(4)．11leguidelineforthesoilandwaterconservationandrehabilitationintheJabiQuaritwatershedhadbeenanalyzedanddefined．Zonesforsoilandwaterconservationandecologicalfunctionhadbeencompartmentalized．Soilandwaterlosshadbeencategorized．11lelayoutofmeas

6、uresforthesoilandwaterconservationandrehabilitationintheJabiQuaritwatershedhadbeendefinedinlinewithcharacteristicsofindividualzones．(5)Inlinewinlthenaturalandsocialcharactersandrequirementsforeconomicdevelopmentinthewatershed，thesoilandwaterconservationandrehabilitationplantationhadbeenma

7、deasfoHow：Forslopearea,themeasuresofterracingforbasicagriculturallands，vegetationrehabilitationandecologicalrestorationWCl'edominated．Keydamconstructionprevailedinthegullies，withmedium-small—sizetrapdamconslxuctionworkedassupplement．Supervisionandlawenforcementonsoi