内蒙古巴林右旗牧草地利用动态变化及其影响因素研究

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1、内蒙古师范大学硕士学位论文areawasreduced64095．67hm2from1996to2008．Grasslandutilizationstructurehadsignificantdifferencefromannualvariations．Throughabsolutevalueofannualvariations，variationofartificialgrasswasthebiggestamongthem，was4．9％．Annualvariationsofnaturalgrasslandandimprovedgrassl

2、andwereless，were0．79％andO．83％respectively．Thispapermadeuseoflandusetransitionmatrixtorevealthattransferdestinationofnaturalgrasslandmainlyconvenedintounusedlandfrom1996to2008；Improvedgrasslandmainlyconvegedintoforestland，cultivatedland，grasslandandunusedland，etc；Artificialg

3、rasslandmainlyconvenedintoforestland，etc．GrasslandqualityisanalysedinBalinyouBannerfromgrasslandclass，yieldofgrass，abovegroundbiomassandgrassgroupofstructure．Theresultsshowedthatthefirst--classrangelandareadropped10％andthesixth—classrangelandareaof200kg／muyieldmoredropped29

4、％duringrecentmorethantenyears．Biomassofmeadowspasturewithouttrees，drygrassplotpastureandsandgrounddecreased90．94％，65％and79．58％respectively,thestructureofgrassgroupalsograduallydevelopedtodroughtandinferiorvegetation．Thegrasslandareawillbe617793．48hm2in2020bypredictionsmodel

5、forBalinyouBannergrasslandareafrom201to2020．Thenaturalgrasslandareawillbe51999．42hm2；Improvementgrasslandareawillbe75226．09hm2；Artificialgrasslandareawillbe30567hm2．、一_‘乜■～_●内蒙古师范大学硕士学位论文ThefactorswhichBalinyouBannergrassplanddynamicchangeswereanalyzedfromthenaturalandsocia

6、leconomy．TheresultshowedthatthemainfactorswhatinfluencedBalinyouBannergrasslanddynamicchangesweredroughtandwind，themainsocialeconomicfactorswereunclearpropertyright，excessivegrazeandslowanimalhusbandrylabortransferandSOon．Strategyofgrassland’SrationalusinginBalinyouBannerwa

7、sdetermininglivestockgrass，developingartificialturfactivelyandfeedprocessingindustriestofurtherclarifypropertyrightsandafforestation．TheresearchwillprovidereasonsforstrengtheningregionalGrasslandresourcemanagementandpromoteregionalsustainableuseoflandresource．Thishasimporta

8、ntsignificancetoimprovepeople’Slivinglevelinthepasturingarea．Keywords：Grassland，Dy