東勝地區(qū)土地覆蓋的景觀格局及土壤相關(guān)性狀研究.pdf

1、內(nèi)蒙古大學(xué)碩士學(xué)位論文東勝地區(qū)土地覆蓋的景觀格局及土壤相關(guān)性狀研究姓名：王再嵐申請學(xué)位級別：碩士專業(yè)：生態(tài)學(xué)指導(dǎo)教師：李政海2002.6.5STUDYoNTH：ELANDSCAPEPATTERNoFLANDCoVERANDRELATIVESoILN』玎URESINDoNGSHENGABSTRACTLocatedinthemidwestofErdosPlateauandthewestsouthofInnerMongolia，DongShe

2、ngwasthehinterlandoftheLoessPlateauIthasplentifulresource，vastterritoryandveryimportantenergyresources、礬thrarevegetation，desertiflcatedland，itsecologicalenvironmentwaspoorandthelanddegenerationwasseriousTostudythescalean

3、dmechanismofdesertificationsituation，wemustknowthedistributionstructureofecologicalenvironmentandthevegetationcoverItwillprovidethebasictheoryforecologicalenvironmentalstructureinfuturenlemajorconclusionwasshowing：(1)Don

4、gShenghas18vegetationlandscapetypesTheecologicalfunctiondistrictisdividedintofiveparts—thetypicalprairiehillregion，thetypicalprairieplainregion，thetypicalprairiesand—land，thedesertiflcatedprairieandtheurbanresidentialare

5、a(2)ThevegetationtypesarediversitybecauseoftheintensivedisturbanceofhumanactivitiesandinfluenceofotherelementOtherecologicalareashaverespectivedominantlandscapetypesbecausethesameinfluences(3)ThesoilerosionisheavyTheclay

6、particle，theorganicmatterandthequickactingphosphorusbecomelessFurthermore，thesoilfertilityandclayparticlewasdecreasedintheseriOUSerodedareaItshows，theclosedrelationsbetweenthesoiIorganicmatterandthesoilerosiontheclaypart

7、icleandtheorganicmatterofsoilmustbechangeinthecultiration(4)Itdiscussedtherelationsbetweenthephy’sicalandchemicalqualityofsoilandtheartificialvegetationbuilding，accordingtothedifferentsoilquailtyandorganicmattertoplantpi

8、netree，Caraganashrub，artificialgrasslandcorrectlyinthedifferentsectoroftheareaforthebestecologyefficiency(5)Forthebestusagetheecologicalknowledge，tosolveecologicalandenvironmentalquestioninDongShengregion，finallythispape