Soil carbon is a significant component of global carbon cycling, the change of land use pattern has a great influence on soil carbon source or sink.

土壤碳是全球碳循环中的重要组成部分，土地利用方式的改变对土壤碳的源和汇具有很大的影响。

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To improve and optimize land use pattern and structure is one of the most effective ways to the control of human-accelerated erosion in the hilly-gully loess region.

改善和优化土地利用方式和结构是综合治理黄土高原人为加速侵蚀的关键。

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To improve and optimize land use pattern and structure is one of the most effective ways to the control of human-accelerated erosion in the hilly-gully loess region.

改善和优化土地利用方式和结构是综合治理黄土高原人为加速侵蚀的关键。

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