自然界的生物互相依存，和谐 共处，共同编织出一个个绝妙的生 态环境网络。引种外来植物。丰富本地植物，本是件好事。然而，如果盲目引进 外来植物。造成“生物入侵”，就会破 坏生态平衡，甚至带来生态灾难。 美国引种葛藤便是其中的一葛藤是一种伏地蔓生或攀缓它物的豆科多 The living creatures in nature are interdependent and harmoniously co-exist to create a wonderful network of ecological environment. Introduced exotic plants. It is a good thing to enrich native plants. However, if blind introduction of exotic plants. As a result, “biological invasion” will destroy the ecological balance and even bring about ecological disaster. Introduction of kudzu in the United States is one of the kudzu is a vodka or climbing its legumes and more