学术英语海报

ACommunityInvestigationontheFengshuiForestinJiaoLingCounty,MeiZhouCity,GuangDongProvinceHeWenyaoSupervisor：YangQiheInsertyourinformationhereIntroductionMethodsConclusionObjectivesResultsSurveydatacanbeusedtoanalyzethecommunitycharacteristics,suchasstructuraltype,organizationlevel,developmentstage,stabilitydegreeandhabitatdifferences.Thesecommunitiescharacteristicsprovidescientificreferenceintheprocessofselectingplantspeciesanddeterminingtheproportionofeachplant.Ascanbeseenfromthetable1,theplantspeciesforsurveyisrichness,whichhas22family,34genusand44Species,inwhichthedominantspeciesofthedicotyledoneae,nextofthenocotyledoneae,andthepteridophyteatlast.Ascanbeseenfromtable2,theimportantvalueoftreelayertop3plantsareFagaceaewhichhavedominantinthetreelayer.CanthiumdicoccumisthedominantspeciesinshrublayerandFagaceaealsohasalargeadvantage.CanthiumdicoccumisthedominantspeciesinshrublayerandFagaceaealsohasalargeadvantage.Ingeneral,theCastanopsishystrixisconstructivespecies,CastanopsissclerophyllaandCastanopsisrufotomentosaissubdominantspeciesandcommunitiescanbenamed:Castanopsishystrix+Castanopsissclerophylla-Canthiumdicoccum+Castanopsisfabri-Oplismenuscompositus+Adiantumflabellulatum.Fromtable3,thespeciesabundanceofthecommunitywas44,whichindicatedthatthespeciesinthecommunityweremore.ThePIE,Shannon-Wienerindex,SimpsonindexandMargalefindexshowedthatthespeciesdiversitywashigh.Inthediversityindex,theshrublayerwasmorehighlevel.Figure1,CastanopsissclerophyllaisadeclinedagestructureandCastanopsisfabri,Schimasuperba,Castanopsishystrixisagrowthagestructure.Onthewhole,theagestructureofthecommunityisastablegrowthmodel.Inthefuturecommunitystructurewillnotbeabigchange.Accordingtothecharacteristicsofplantsandsurveydata,intheafforestationproposalstoCastanopsishystrixwasthedominantspecies,Castanopsissclerophyllawasthesubdominantspecies,Alangiumchinenseforaccompanyingspeciess.Thismodelcouldslowedtheconflictbetweenmanandnature.ThisstudyinvestigatedthecommunitycharacteristicsofFengshuiforestinJiaolingCounty,MeizhouCity,GuangdongProvince.Fengshuiforesttosomeextentbelongstosecondaryforest.ThisistoberetainedbytheforestintheChinesepeople'sworshipofFengshuiculture,whenthevillagewasbuilt.Therefore,theinvestigationofFengshuiforestcommunitycanprovideagoodreferencefortheafforestation.Analysisofdata：Importancevalue,Diversityindex,PopulationagestructureExperimentalmethod：Thisstudyinvestigatedbyquadrattoclassifyandmeasureongrowthparameterofplants.Treelayer,shrublayerandherblayerallhavesixquadrat,respectively100㎡(10m×10m),4㎡(2m×2m),1㎡（1m×1m).VascularplantFamilyGenusSpeciesXylophytaHerbagePteridophyte111-1Dicotyledoneae172736332nocotyledoneae46725Total223444358Table1StatisticofvascularplantcompositionTreelayershrublayerherblayerSpeciesImportantvaluesSpeciesImportantvaluesSpeciesImportantvaluesCastanopsishystrix65.346Canthiumdicoccum69.271Oplismenuscompositus63.605Castanopsissclerophylla42.967Castanopsisfabri34.628Ilextriflora33.632Castanopsisrufotomentosa33.669Psychotriarubra20.704Cryptocaryaconcinna23.220Table3Thespeciesdiversityofdifferentcommunity-levelsTable2ImportancevaluesoftheplantLayerMargalefindexSimpsonindexShannon-WienerindexProbabilityofinterspecificencounterPielouindexspeciesabundanceTreelayer2.18510.87603.32430.89600.898413Shrublayer3.47530.91083.92670.92800.894021Herblayer3.35990.86503.58820.87260.782624Community5.55940.93654.64230.94090.850344Figure1Agestructureoftreelayer