Sediment from runoff on land can cover corals or simply turn the water cloudy, cutting them off from the sunlight they need to survive.

陆地流失物中的沉淀会覆盖在珊瑚表面，哪怕仅仅使海水变混，都会导致珊瑚就无法接受日光照射而死亡。

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The analysis of the relation between land use and chemical runoff .

分析了土地利用方式与化学径流之间的关系。

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Runoff and sediment yields are greatly affected by the type of land use.

土地利用类型不同对产流产沙的影响程度不同。

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