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自然界的生物互相依存，和谐共处，一道编织出一个绝妙的生态环境网络。引种外来植物。丰富本地物种，本是件大好事，然而，如果盲目引进外来植物，造成“生物人侵”，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例。葛藤是一种伏地蔓生或攀援它物的豆...
The living creatures in nature are interdependent and harmoniously co-exist to create a wonderful ecological environment network. Introduced exotic plants. It is a good thing to enrich the native species. However, if we blindly introduce exotic plants and cause “biological invasion,” we will destroy the ecological balance and even bring ecological catastrophe. The introduction of kudzu in the United States is one of them. Kudo is a vaporizer or cling to it ...