If a nonnative plant species invades an above-ground community of flora and fauna, it can alter links between the native above-ground community and the below-ground soilcommunity.
如果一种外来植物入侵了地上的动植物群落，就会改变地上群落和地下土壤群落之间的联系。
2
One of the challenges of research in soil ecology is to understand the impacts of management on the complex interactions of all organisms at the soilcommunity level.
农业管理对土壤群落水平下各种生物之间复杂的相互作用的影响是土壤生态学研究的一个热点。
3
The community structure and dynamics of soil water of Pinus sylvestris var. of the mongolica plantation were studied in a growing season.