量和群落物种优势度之间存在显著负相关关系。关键词:喀纳斯国家级自然保护区,物种多样性,旅游干扰,munitytype、structure,,,intheKanasNationalNatureReserve,thevegetationisdividedintosixvegetationtypegroups,12vegetationtypes,(TwoWayIndicatorSpeciesAnalysis),,Shannon—Wienerindex,MargalefspeciesrichnessindexandPielouevennessindexJharethelargestinherblayer,Simpsonindexisthesmallestinherblayer;2)munities;3),munities,,,theShannon—Wienerdiversityindex㈣,Simpsonindexp)andPielouindex㈣,(detrendedcorrespondenceanalysis)ession,meanwhile,theShannon—Wienerdiversityindex,Margalef'srichnessindex,Simpson’SdiversityindexandPielou’(detrendedcanonicalcorrespondenceanalysis).Theresultsshowedthat1)munityCarexmelanostachya--,communityPoasibirica--,communityPotentillafruticosa-,communityBetulahumilis-,communityPiceaobovata;2)essionprogressed,thespeciesdominanceincreasedsigni
新僵喀纳斯自然保护区植物群落物种多样性和动态特征研究 来自淘豆网m.daumloan.com转载请标明出处.
