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时间:2020-04-02
《中国特有植物青毛杨群落物种多样性特征研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、AgriculturalScience&Technology,2011,12(11):1744-1748Copyright2011,InformationInstituteofHAAS.Allrightsreserved.ForestryResearchonSpeciesDiversityCharacteristicsofChineseEndemicPlantPopulusshanxiensis11*12SUNDong-hui,GUODong-gang,SHANGGUANTie-liang,WANGZhen-jun1.CollegeofEnvironmentalScienc
2、eandResources,ShanxiUniversity,Taiyuan030006;2.ManagementBureauoftheHeichashanMoun-tainNationalNatureReserve,Lvliang036300Abstract[Objective]ThisstudyaimedatresearchingthespeciesdiversityofPopulusshanxiensiscommunityinHeichashanMountain.[Meth-od]Basedonsamplingmethods,investigationinsamplin
3、gspotswascarriedoutaccordingtotheimportantindicator,theabundanceindex(N),Simpsonindex(λ),Shannon-Weinerindex(H')andhomogeneityindex(EandE)wereusedforanalysis.[Results]Speciesdiver-015sityindexofPopulusshanxiensiscommunitywasnotonlydependedonthespeciescompositionsofcommunities,butalsoclosely
4、relatedtotheimportantvalueofspecies.TheorderofabundanceindexanddiversityindexineachlayerofPopulusshanxiensiscommunitywasherblayer>shrublayer>treelayer,andtheabundanceindexwaspositivelyrelatedtothediversityindex;whilethevariationtrendofcommunityhomogeneityindexwasdifferentfromthatofabundance
5、indexanddiversityindex,andthehomogeneityhadshownnegativecorrelationwiththedominance.[Conclusion]Inthisstudy,thegrowthstatusandconditionsofPopulusshanxiensiswerefurtherunderstoodandresearched,whichhadlaidthe-oreticalfoundationforprotectingtheendangeredspeciesandprovidedbasicinformationforthe
6、futurestudiesofendangeredspeciesandrelateddisciplines.KeywordsPlantcommunity;Speciesdiversity;Communitystructure;HeichashanMountain;PopulusshanxiensisPlantcommunityspeciesdiversityrefersprimarilytothesearchingonspeciesdiversityofPopulusshanxiensiscommu-composition,structure,functionofplantc
7、ommunityandthenity,thegrowthstatusandconditionsofPopulusshanxiensis[1]diversityandcomplexityofdynamicchange.Researchonwerefurtherunderstoodandstudied,whichhadlaidtheoreti-speciesdiversityofplantcommunitywasanimportantissueincalfoundationforprotectingthee
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