黃土高原論文

1、西南大學(xué)地理科學(xué)學(xué)院本科畢業(yè)論文1目錄摘要....................................................................3ABSTRACT................................................................31黃土高原自然環(huán)境概況..............................................

2、....42黃土高原水土流失的基本現(xiàn)狀............................................43黃土高原水土流失的原因................................................43.1影響水土流失的自然因素................................................43.1.1地貌.........................

3、.......................................43.1.2土壤................................................................53.1.3植被................................................................53.1.4降雨.............................

4、...................................53.2影響水土流失的人為因素................................................63.2.1破壞植被............................................................63.2.2超載過牧..........................................

5、..................63.2.3陡坡開荒............................................................63.2.4工程建設(shè)............................................................73.2.5城市發(fā)展....................................................

6、........74水土保持的對策建議....................................................74.1工程措施..............................................................74.1.1提倡節(jié)水型水土保持模式..............................................74.1.2淤地壩工程建設(shè)...

7、...................................................84.1.3防范基礎(chǔ)設(shè)施建設(shè)過程中的水土流失....................................84.2林草措施..............................................................94.2.1提高生態(tài)植被建設(shè)質(zhì)量和效率......................

8、....................94.2.2退耕還林(草)........................................................94.2.3退人還植...........................................................10西南大學(xué)地理科學(xué)學(xué)院本科畢業(yè)論文3黃土高原水土流失及其治理武志俊西南大學(xué)地理科學(xué)學(xué)院，重慶400715摘要：黃土高原的水

9、土流失是脆弱的生態(tài)系統(tǒng)與不合理的人類活動共同作用的結(jié)果，水土保持是該地區(qū)生態(tài)恢復(fù)和重建的基礎(chǔ)，是經(jīng)濟(jì)和社會持續(xù)發(fā)展的必然要求。文章分析了黃土高原地區(qū)水土流失的基本現(xiàn)狀，探討了水土流失的影響因素，提出了黃土高原地區(qū)水土保持的建議。本文提倡采用節(jié)水型水土保持模式，加強(qiáng)淤地壩工程建設(shè)，防范基礎(chǔ)設(shè)施建設(shè)過程中的水土流失。提高生態(tài)植被建設(shè)質(zhì)量和效率，推進(jìn)退耕還林、退人還植工程建設(shè)。只有以水資源保護(hù)為核心，發(fā)展“混林農(nóng)業(yè)”，加快山區(qū)的梯田建設(shè)步伐，

10、綜合運(yùn)用各種措施減輕或根除黃土高原的水土流失，才能實現(xiàn)經(jīng)濟(jì)效益、社會效益和生態(tài)效益的統(tǒng)一。關(guān)鍵詞：水土流失；退耕還林；梯田建設(shè)；黃土高原TheWaterLossSoilErosionontheLoessPlateauItsGovernanceWUZhijunSchoolofGeographicalSciencesSouthwestUniversityChongqing，400715ChinaAbstract:Thesoilerosion

11、inLoessPlateauiscausedbythefragileecologicalsystemtheirrationalhumanactivities.Theecologicalrestationreconstructionofthisregionisbasedonthesoilwaterconservationwhichisalsonecessaryfthesustainableeconomicsocialdevelopment

12、.ThearticleanalyzedthesituationofsoilerosioninLoessPlateauregionexpledcausesofsoilerosionproposedthemeasuresofsoilwaterconservationintheLoessPlateau.Weshouldpromotewatersavingmodelsstrengthensiltdamconstructionpreventthe

13、soilerosionintheprocessofinfrastructurebuildingimprovethequalityoftheconstructionofvegetationecologicalefficiencypromotereturningfarmltofeststheretreattoplantedconstruction.Onlywithwaterresourcesconservationastheceaccele

14、ratingthedevelopmentof“mixedlamagriculture“buildingterracedfieldsinmountainousareascomprehensiveusingvariousmeasurestoalleviateeliminatethesoilerosioninLoessPlateauwecanrealizethereunificationofeconomicsocialecologicalbe