简介:统计生态学与分析技术和方法的前进很快发展。这份报纸在后面的方面在中国关于统计生态学做了评论:数据收集,空间并且时间模式分析,种类丰富和种类区域关系,人口动态,种类亲密关系,社区类似和社区簇分析,和社区分类。
简介:Avegetationevolutionmodelinfluencedbyadegenerationofsoilecologicalfunctionswassetup.Threeidealcommunitiesofa)trees,b)shrubs,andc)herbagepopulationswerefirstsimulated.Thennumericalsimulationsoftheevolutionaryanddevelopmentalprocessesofanaturalforestcommunity,whichiscomposedofover100species,wereconducted.Resultsofthestudyshowedthata)inallcommunities,soildegenerationnotonlydrovesomeweakerspeciestoextinction,butalsoafewdominantones;b)thereweredifferentresponsescaleswithspeciesinanidealtreemetapopulationthatcouldpersistaslongasathousandyears,withshrubsinanidealshrubmetapopulationthatcouldpersevereforseveralhundredyears,andwithspeciesinanidealherbagemetapopulationthatcouldbecomeextinctwithin10years;andc)eachmetapopulationexperiencedthreeevolutionarystagesduringadaptationtotheenvironment:a)thestageofcompelledadaptationorresistance,b)theadjustedstage,andc)thestabilizedstage.
简介:Behaviorsofsikadeerinspringwerestudiedbyscansampling,adlibitumsampling,andall-occurrencerecordingmethodsduring1998.Theresultsshowedthatbehaviorsofsikadeerinspringcanbeclassifiedbysevencategories:grazing,ruminating,bedding,moving,standing,drinking,alert,agonisticandotherbehaviors.Variousbehavioralmodelsweremoreregular.Grazingbehaviorwasakindofmainlybehavioralmodel.