soil fauna的用法和樣例：
例句
- Mangrove forests replace salt marsh in tropical regions and support a rich fauna.
紅樹林在熱帶區域取代了鹽水沼澤，並且支持了豐富的動物區系。 - Extinction and colonization account for the depauperate flora and fauna of islands when compared to the adjacent mainland.
當與鄰近大陸對照的時候，滅絕和移殖過程說明了島嶼植物區系和動物區系的衰亡。
