At the very least, kudzu serves as an example of the unexpected results that can come from nonnative plants.

至少，葛根可以作为一个例子，证明非本地植物会带来意想不到的结果。

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For example, an invading nonnative plant could alter the quantity of leaf litter production, which would alter nutrient contributions to the soil.

例如，外来植物的入侵可能会改变落叶的数量，从而改变对土壤的营养贡献。

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If a nonnative plant species invades an above-ground community of flora and fauna, it can alter links between the native above-ground community and the below-ground soil community.

如果一种外来植物入侵了地上的动植物群落，就会改变地上群落和地下土壤群落之间的联系。

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Lake Champlain also has the same kinds of environmental problems, including pollution and nonnative sea life, as the Great Lakes.

VOA: special.2009.01.05

It might just be a too little, too late effort to do something about the larger problem of nonnative species.

CNN: Fish tale

"That's Washington, " sighed a frustrated, nonnative participant, resigned to cruel geographic determinism like Jack Nicholson at the end of Chinatown.

CNN: Why Johnny Can't Surf

The maple leaf depicted on the bills isn't an indigenous Canadian maple at all, but a nonnative and invasive Norway maple, he claimed in an email exchange with the Bank of Canada.

WSJ: Canada's New Banknotes Strike Some as Loonie