We propose that As anomalism in groundwater possibly resulted from the combined effects of organic matter-enriched lacustrine sediments, geological setting and topographical characteristics.

通过研究，可以看出以还原环境为主富含有机湖沼相沉积环境、特、件为下水砷异常原因。

The results of the study show that the discharge of the waste of mariculture into the harbour can cause permissible - excessive nutrient loadings, and anomalism of phytoplanktonic e...

生成大量有机聚集体对营养要素内循环起了缓冲、调控作用,并对初级生产力有重大贡献.