Publications by authors named "Qizhen Ruan"

Phytoplankton is sensitive to changes in river ecosystems. Increasing dams disrupt the continuity of river ecosystems. However, the spatial impacts of dams on phytoplankton have not been well documented.

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Nitrate (NO) contamination of surface water is a global environmental problem that has serious consequences for watershed ecosystems and endangers human health. It is crucial to identify influences of different sources of NO, especially the incoming water from upper reaches. A combination of hydrochemistry and multi-isotope tracers (δB, δN-NO, and δO-NO) were used to determine NO sources and their transformation the North Jiulong River (NJLR), Southeast China.

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