我国牧草及草坪草引种与生物入侵探讨

Discussion on Introduction of Pasture and Turf-grasses and Biological Invasion

简述了生物入侵的概念、牧草及草坪草引种所带来的杂草入侵现状,并通过分析入侵性牧草及草坪草的形成过程、危害现状与引种利用的关系,阐明了在牧草及草坪草引种利用的同时,既要考虑经济效益,又要重视入侵物种引起的生态风险,并提出了我国牧草及草坪草引种造成生物入侵的预防对策。

The paper briefly stated the concept of biological invasion,the present situation of exotic weeds invasion brought by the introduction of pasture and turf-grass seeds,illuminated that in the introduction and application of pasture and turf-grasses,not only economic benefit but also ecological risk caused by biological invasion should be considered and regarded on the basis of the formation process,harm status of invasive pasture and turf-grass,and put forward some measures for the prevention of biological invasion due to the introduction of pasture and turf - grasses.