建设城市森林需警惕生物入侵

Discussing the problems of biological invasion in constructing urban forest

在城市森林建设过程中 ,为了丰富城市的生物多样性 ,必然会大力引进外来植物 ,但引种可能会引起外来生物入侵。从生物入侵的含义、危害及其特征的分析入手 ,着重探讨了城市森林建设过程中面临的生物入侵问题 ,提出了防止生物入侵的一些有效措施。

In order to enrich urban biodiversity, many plants will be introduced into urban forest in course of constructing and planning it, which may cause biological invasion. Based on analyzing the meaning, damages and characters of biological invasion, this paper expatiates on the relevant problems and solutions.