徐州云龍山石灰?guī)r山地土壤理化性質(zhì)與植被狀況分析研究.pdf

1、南京林業(yè)大學(xué)碩士學(xué)位論文徐州云龍山石灰?guī)r山地土壤理化性質(zhì)與植被狀況分析研究姓名：邱海倫申請學(xué)位級別：碩士專業(yè)：水土保持與荒漠化防治指導(dǎo)教師：萬福緒20080601AnalysisandresearchonthephysicalandchemicalpropertiesoflimestonemountainregionsoilandtheVegetationstateOfYunlongmOuntaininXuzhouAbstractThi

2、stexthasmadeinvestigationstothephysicalandchemicalpropertiesofsoilofareaofYunlongmountainofXuzhouandtheVegetationstateatpresent，throughdeterminingthephysicalandchemicalproperties0ffbrestland，carry0nfeleVantanalysistosoil

3、everyfactor，thephysicalandchemicalpropertiesofcarryingonsonofdiffbrentVegetationtypesarecomparedTheresultofstudyshows：(1)TheartincialArborViatenowinareaof1Y_unlongmountainofXuzhouisofsimplestructure，anditcangenerallybedi

4、VidedintO34layersOnelayerofaverageheightofarboris12m，itis605‘％tocoVerdegreeonaVerage，regardarborvitaeastheadvantagetoplantAccordingtoinVestigating，twokindsoffbrestofpurefbrestandmixedforestdiVidethestructuraltype(2)Theso

5、ilisdrenchedanddissolvedthebrownsoilproducedItisakarstmountainregiontypeThesoillayerofmountainregionthin，thegraVelcontenthigh，thesoilglueinweight，neutralslightlyalkaline，thesoiloftoplayerisreIatiVely100se，soilbulkdensity

6、islow；Thesoilofgroundnooristight，thesoilporosityissmallItisthesandysoil(3)AnalysisindicatereleVantly，soilbulkdensity，organicnitrogencontentofsoil，soilorganicmatter，soilphosphoruscontentandVarioussoilnutrientindexeshaVehi

7、ghercoefncientcorrelation，andplayanimportantroleinmaincompositionsareanalyzed，soundercertaincondition，canberegardedasthemajorindicatorwhichappraisessoilfertility(4)StudyonspeciesdiVersitybetweendif詫rentkindofground，indis

8、t“butingvertically，thespeciesenrichesonedegreeofherbaceouslayerbushlayeIlarborlayer；Diversinedindexofspeciesandindexofdegreeofconsistencyappearonstoreyoftheherbaceousamongthefbrestlayerbushlayerarborlayer，adVantagedegree

9、oflayerofherbaceousisrelatiVely10w，thearborVitaeoccupiestheobViousadVantagepositioninnoorofthearbor(5)TherelationresearchofarborVitaeartificialforestspeciesdiVersifiedindexandsoilfenilityfactorshows：Itisextremelyprominen