亚热带地域河边植被发育较快，植被演替主要决定于淹没频率与高程。

The riparian vegetation in the subtropical zone develops well and the evolution of vegetation community depends mainly on the flood frequency and flooding elevation.

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我们发现这条河里的垃圾能轻易藏匿在河边的植被丛和河边的稀泥里，同时也有许多垃圾能轻易发现，如果垃圾制 造者不在乎到底扔在哪里的话。

We discovered this river garbage can easily conceal itself in vegetation and in the mud of the banks. It can also hide in plain sight if those who put it there just don't care.

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