Under the different vegetation's soil impact resilience performance for reduces gradually from the forest land to the wild grassy slope, the broad-leaf forest land is highest;

不同植被下的土壤抗冲性表现为从林地到荒草地逐渐降低，其中阔叶林地最强；

youdao

Sarracenia tend to inhabit permanently wet fens, swamps, and grassy plains. These habitats tend to be acidic with soil made up of sand and Sphagnum moss.

瓶子草往往居住在长年潮湿的沼泽、湿地、平原，这些栖地的土壤通常为酸性的，由沙和水苔组成。

youdao

Engineers have found that wetlands, grassy fields and soil or sand filters can take in stormwater with different levels of pollution and release water with a relatively constant cleanliness.

VOA: standard.2010.08.04