在新西兰，这种植物传播地很快，它将沼泽地的边缘变成了广阔的盐土草地，并且使利用那片沼泽（生存）的鸟类和动物的数量和种类下降。
In New Zealand the plant has spread rapidly, changing mudflats with marshy fringes to extensive salt meadows and reducing the number and kinds of birds and animals that use the marsh.
另一个例子就是巨型动物和本地植物群的相互联系，尤其是那些仅依赖动物传播种子的植物。
Another example is the interaction of megafauna with local flora, in particular, plants that rely on animals to disperse their seeds.
一些动物帮助植物传播种子。
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