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时间:2019-07-21
《Spatial patterns and interspecific associations of dominant tree species in two old-growth karst forests》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、EcolRes(2010)25:1151–1160DOI10.1007/s11284-010-0740-0ORIGINALARTICLEZhong-HuaZhang•GangHu•Jie-DongZhuDong-HuiLuo•JianNiSpatialpatternsandinterspecificassociationsofdominanttreespeciesintwoold-growthkarstforests,SWChinaReceived:19October2009/Accepted:9June2010/Publishedonline:7July2010ÓTheEcological
2、SocietyofJapan2010AbstractSpatialpatternsandinterspecificassociations(Platycarya–ClausenaandCastanopsis–Rhododendron).ofplantspeciesinforestsareimportantforrevealingResultsalsoindicatedthatthetwomainfactorsofhowspeciesinteractwitheachotherandwiththeenvi-habitatcomplexityandheterogeneity—theelevatio
3、nandronment,andhencehaveimportantimplicationsforrock-barenessrate—playimportantrolesindeterminingoptimalforestmanagementandrestorationindegradedspatialdistributionpatternsandinterspecificassocia-forestecosystems.Inthispaper,theO-ringstatisticstionsoftreespeciesinkarstforestsofMaolan.Thus,thewereuse
4、dtocharacterizethespatialpatternsandobservedspatialpatternsamongtheeighttreespeciesinterspecificassociationsofeightdominanttreespeciesareinfluencedbyhabitatheterogeneityinthecontextofintwo1-haold-growthkarstforestplotsinMaolankarsttopographicalvariations.ThepartitioningofNationalNaturalReserve,south
5、westernChina.Wehabitatnichescontributestothepromotingspeciesfoundthatmostoftheeightdominanttreespeciesincoexistenceinspecies-richkarstforests.Thedifferencestwoforestswerecontinuouslyregeneratingpopulations.ofspeciesfeaturesinspatialpatternsandassociationsSixspecies(Platycaryalongipes,Acerwangchii,C
6、lausenashouldbepaidmoreattentionwhenplanningforestdunniana,Castanopsiscarlesiivar.spinulosa,Distyliummanagementanddevelopingrestorationstrategies.myricoides,andRhododendronlatoucheae)exhibitedsignificantaggregationsatthemajorityofscaleswhileKeywordsHabitatheterogeneityÆInterspecificothers(Celtisbion
7、diiandCyclobalanopsismyrsinaefolia)associationÆKarstforestÆPointpatternanalysisÆshowedarandomdistributionpatternatmostscales.SpatialpatternÆSpeciescoexistenceNegativeassociationwasadominantpatternformostspeciespa
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