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invasive species 入侵物种;入侵种;外来入侵种 入侵物种(Invasive Species)是引进物种的一个子集。入侵物种生态适应、繁殖、传播能力极强,主要通过自然入侵、有意引种以及无意引种等方式入侵。在国际自然保护联盟公布的最具...
首先谈谈何为入侵物种,入侵种(invasive species),指一种植物从原产地通过各种途径在另一个地方恶性生存繁衍,并且繁殖迅速,侵入当地生态系统,依靠本地生态系统已经无法实现生态结构稳定,危害本土植物的繁殖甚至生存,并且人工...
由此,这种对等地生态环境,造成严重危害的外来物种即被称为“入侵种”(invasive species)。 我们不难看出,“入侵种”不同于“外来物种”,它特指的是有害的外来物种,如前面提到的“凤眼莲”“松材线虫”“大米草”等,其范畴小于“外来...
Pollution is another threat to trees, as air and water pollution can damage their leaves and roots, and prevent them from absorbing nutrients and water. Invasive species and pests also pose a threat, as they...
The spread of non-native species has greatly impacted native populations around the world. Invasive species compete with native species for resources and habitat. They can even prey on native species directly, ...