摘要
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.
出版日期
2004年03月13日（中国期刊网平台首次上网日期，不代表论文的发表时间）
