关键词: 税收优惠政策, 税收优惠政策, 农业科技创新, 中介效应

Abstract: Biological invasion has received widespread attention as a serious problem to the whole world, In this paper its definition and traits were introduced however, invasive plant species which is the most common phenomenon accounted for the largest proportion of invasive species. The research on present situation, approach ,damage of invasive plant species and the community characteristics, Invasion mechanisms and control measures of invasive plant species in different regions has got some consequent, then the achievement on the study of Biological invasion in the whole world were integrated in order to explore the useful ways of controlling plant species invasion. Garden workers must realize the harmness of biological invasions when riching landscape and enhance awareness of preventting and controlling plant invasions.