Abstract:It is important to better understand the nutrient distribution and circulation of the Deyeuxia angustifolia wetland in Sanjiang Plain, as this ecosystem plays a unique role in the ecological service functions of the region. However, little attention has been paid to the purification function of the wetlands in the Sanjiang Plain. Due to the agricultural exploitation since 1950‘s, over-fertilization has resulted severe in non-point pollution in the region. A potted plant experiment was conducted in Sanjiang ...