秦嶺南坡大熊貓繁殖交配期生境選擇特征的研究.pdf

1、Y1029047分類號：』)959838uDC：5螋密級：公五學(xué)校代碼：10712研究生學(xué)號：TG2003139西弛農(nóng)林針捉大學(xué)2006屆在職攻讀碩士學(xué)位研究生學(xué)位論文秦嶺南坡大熊貓繁殖交配期生境選擇特征的研究類型盔些蕉亡領(lǐng)域、專業(yè)、方向掛些研究生登德坯指導(dǎo)教師堂塞齷合作指導(dǎo)教師中國陜西楊凌ASTUDYONHABITATSELECTIONOFGIANTPANDAINREPRODUCTIONPER【0DINSOUTH—SLOPEOFQIN

2、LINGMOUNTA仆iSABSTRACTThehabitatseleetionofGiantpandainreproductionperiodinFopingNatureReserveandChangqingNatureReservewasstudiedBasedonthefieldinvestigationofhabitatandparturalandnursecaveofGiantpandainSanguanmiao36sampl

3、ingplotsand22caveswerefound。andatthesametime，basedontheenvironment，propertyandstructureofcave，andfoodconditionsoutofcave，dataofplotswascalculatedbyfactoranalysisandprincipalcomponentanalysisEigenvalue，contributionratioan

4、dcumulativecontribmionwasintegratlyanalysised111eresultsshowedthatfoodfactorandvegetationfactoralethemostimportantfactoraffectinghabitatselectionofgiantpandainitSreproductionperiodLandformfactorconcealmentfactoranddistur

5、bancefactorhavedifferetitaffectionbasedondifferentcircumstancesThehabitatselectionofgiantpandainreproductionperiodisdifferentbetweentworeservesThoughtanalysisingandtreatingcaveandenvironmentaldataslopetypedistributionhei

6、ghtandconcealmentalethemostmainecologicalfactoraffectinghabitatselectionSlopeposition，altitude，drynessdegreeofcave，slope，waterrecourse。shelterabilityforrainingandbamboodensityalelessThetyoeofcavedon’taffectselectionobvio

7、uslySotheoptimalcaveisaltitude1800matsunnyslopeslope40。一50。distanceofwaterrecourse150mdistributionhei2htl500m，goodconcealment，excellentshelterabil耐forraining，drycaveandbamboodensitylO20／m‘KEYWORDS：giantpanda；reproduction