放牧、開墾與圍封下內(nèi)蒙古典型草原的退化與恢復(fù)及碳截存動(dòng)態(tài)的開題報(bào)告

放牧、開墾與圍封下內(nèi)蒙古典型草原的退化與恢復(fù)及碳截存動(dòng)態(tài)的開題報(bào)告摘要：在放牧和開墾的影響下，內(nèi)蒙古典型草原面臨嚴(yán)重的退化和土地荒漠化問題。圍封政策的實(shí)施為草原恢復(fù)提供了新的路徑和機(jī)會(huì)。本研究的目的是探討放牧、開墾和圍封對(duì)內(nèi)蒙古典型草原的影響以及草原恢復(fù)和碳截存動(dòng)態(tài)的情況。本研究將選擇內(nèi)蒙古典型草原為研究區(qū)，采用文獻(xiàn)資料法、野外調(diào)查法和實(shí)驗(yàn)室分析法等多種方法，對(duì)以下幾個(gè)問題展開研究：1.放牧和開墾對(duì)內(nèi)蒙古典型草原的影響及其機(jī)制。2.圍封政策對(duì)內(nèi)蒙古典型草原的影響和效果。3.內(nèi)蒙古典型草原的草原恢復(fù)情況和特點(diǎn)。4.內(nèi)蒙古典型草原的碳截存動(dòng)態(tài)和影響因素。通過對(duì)研究結(jié)果的分析和綜合，可以得出以下幾點(diǎn)結(jié)論：1.放牧和開墾是內(nèi)蒙古典型草原退化的主要原因，其機(jī)制包括土壤侵蝕、植被破壞、土地荒漠化等。2.圍封政策對(duì)內(nèi)蒙古典型草原的影響主要表現(xiàn)為植被恢復(fù)和土地退化的減緩，但也存在一些問題和挑戰(zhàn)。3.內(nèi)蒙古典型草原的草原恢復(fù)情況和特點(diǎn)主要包括植被恢復(fù)和土地退化的減緩，但也存在一些短板和不足。4.內(nèi)蒙古典型草原的碳截存動(dòng)態(tài)主要受氣候、土地利用和植被恢復(fù)等因素的影響，具有一定的復(fù)雜性和不確定性。關(guān)鍵詞：內(nèi)蒙古；典型草原；放牧；開墾；圍封；草原恢復(fù)；碳截存動(dòng)態(tài)Abstract:Undertheinfluenceofgrazingandcultivation,thetypicalgrasslandsinInnerMongoliafaceseriousproblemsofdegradationanddesertification.Theimplementationoftheenclosurepolicyprovidesanewpathandopportunityforgrasslandrestoration.Thepurposeofthisstudyistoexploretheimpactofgrazing,cultivation,andenclosureonthetypicalgrasslandsinInnerMongolia,aswellastherestorationandcarbonsequestrationdynamicsofthegrasslands.ThisstudywillselectthetypicalgrasslandsinInnerMongoliaastheresearcharea,usingliteraturereview,fieldinvestigationandlaboratoryanalysis,andothermethodstostudythefollowingissues:1.TheimpactofgrazingandcultivationontypicalgrasslandsinInnerMongoliaanditsmechanisms.2.TheimpactandeffectivenessoftheenclosurepolicyontypicalgrasslandsinInnerMongolia.3.GrasslandrestorationsituationandcharacteristicsoftypicalgrasslandsinInnerMongolia.4.CarbonsequestrationdynamicsandinfluencingfactorsoftypicalgrasslandsinInnerMongolia.Throughtheanalysisandintegrationoftheresearchresults,thefollowingconclusionscanbedrawn:1.GrazingandcultivationarethemaincausesofdegradationoftypicalgrasslandsinInnerMongolia.Theirmechanismsincludesoilerosion,vegetationdestruction,landdesertification,etc.2.TheimpactoftheenclosurepolicyonthetypicalgrasslandsinInnerMongoliamainlymanifestsasthemitigationofvegetationrestorationandlanddegradation,buttherearealsosomeproblemsandchallenges.3.TherestorationsituationandcharacteristicsoftypicalgrasslandsinInnerMongoliamainlyincludethemitigationofvegetationrestorationandlanddegradation,buttherearealsosomeshortcomings.4.ThecarbonsequestrationdynamicsoftypicalgrasslandsinInnerMongoliaaremainlyinfluencedbyfactorssuchasclimate,landuse,andvegetationrestoration,andhaveacertaindegreeofcomplexityanduncertaint