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 soil community.

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。

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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 soil community 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。

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The community structure and dynamics of soil water of Pinus sylvestris var. of the mongolica plantation were studied in a growing season.

对樟子松人工林群落结构和土壤水分动态进行研究。

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Two children from Greece's small Roman Catholic community held a bowl filled with Greek soil for the traditional papal kiss -- a ceremony that was in doubt over worries it could enrage those opposing the visit.

CNN: Pope moves to heal ancient rift

Women of the Bakgatla ba Kgafela community of Botswana practice earthenware pottery-making skills using clay soil, weathered sandstone and other materials to make pots of different forms, designs and styles that relate to the traditional rituals and beliefs of the community.

UNESCO: MEDIA SERVICES

They were killed here, on American soil, in the heart of this great state and the heart of this great American community.

WHITEHOUSE: President Obama at Fort Hood: "Greatness Before Our Very Eyes" | The White House