生物入侵及其影响

72生态科学第20卷　

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BiologicalInvasionandItπsImpacts

XIANGYan2ci,PENGShan2lin,ZHOUHou2cheng,FANGWei1123

(1.SouthChinaInstituteofBotany,CAI,Guangzhou510650,China;

2.GuangdongCenterofMarineResourceR&D,Guangzhou510070,China;

3.DepartmentofEcologyEvolutionSUNYatStonyBrook,USA)

Abstract:Biologicalinvasionisthataspeciesofraceoccursinanareawhereithasnotprevionslyoc2curredthereandthenestablishedsuccessfully.Today,thephenomenonofnon2nativespecieswhichhaveestablishedanddominatedinseminaturalandurbanizedbabitatsisgeneralismanypartsoftheworld.Theinvasionofnon2nativespeciesweregettingconcernglobally.Biologicalinvasioncancausegreatlyeffects,evendetrimentimpacts.Theimpactsinclude:①effectsonindividuals,②geneticeffects,③populationdynamiceffects,④communityeffects,⑤effectsonecosystemprocesses.Theimpactsofvariousnon2nativespeciesisdifferentgreatly.Sodifferentmethodsandwaysshouldbeusedtodealwithbiologicalinvasion.

Keywords:biologicalinvasion;effects