Spartina alterniflora spreads rapidly since it was introduced in 1997 and have already brought ecological impacts on the native plants Phragmites australis and Scirpus mariqueter.

• 该湿地自1997年引进互花米草（Spartina alterniflora）以来，8年内互花米草迅速扩散，一些区域已经完全郁闭，形成单物种群落，并对土著物种芦苇（Phragmites australis）和海三棱藨草（Scirpus mariqueter）产生了强烈的竞争影响。