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。
2
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。
3
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.