【作者】 沈守云； 金晓玲； 吴敏；

【Author】 SHEN Shou-yun JIN Xiao-ling WU Min (School of Enivroment Art Design,Central South University of Forestry and Technology,Changsha 410004)

【机构】 中南林业科技大学环境艺术设计学院；

【摘要】 通过文献资料的查阅和实地调查,发现长沙市的外来植物有51种,隶属于23科。外来植物入侵的主要方式有:人为有意引入、无意间带入和自然扩散。对环境造成的危害主要有:破坏生物多样性和生态系统多样性,对土壤结构的危害,改变景观,造成经济损失。预防外来入侵植物的措施与方法有:成立专门的管理部门,建立外来植物受控试验基地,制定法律法规与规章制度,建立完善的外来物种入侵风险评价体系等。更多还原

【Abstract】 Through consult the reaearch information and the spot investigation.We found that there are 51 exotic species in Changsha.They are subordinates to 23 branches.The introduced ways of exotic plant includes:intends introduce,bring invol- untary,the nature proliferation.The environmental impact main focused on:destroied biodiversity and the ecosystem diversi- ty,influence soil structure,changed landscape,damnified the fund.The benefit methods to prevent exotic plant invasion were:establish special control section,establish the research base control the exotic plant invade,formulated laws and regu- lationa,establishment of risk assessment index system for alien plants.更多还原