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Trophic states of creeks in Xixi National Wetland Park, China

By: Nan Zheng; Xiao Cao; Jingfeng Hao; Hongyu Liu; Yufeng Li;

2011 / IEEE / 978-1-61284-340-7

Description

This item was taken from the IEEE Conference ' Trophic states of creeks in Xixi National Wetland Park, China ' As the new type of the park, urban wetland parks develop rapidly in recent years and catch attentions from multiple departments of government. Based on the data which had been collected monthly from March in 2009 to March in 2010, the objectives of this paper were to describe the trophic states of creeks in temporally. The results indicated that: (1) the values of secchi depth (SD) and total nitrogen (TN) in winter were highest among the value in seasons. The value of total phosphorus (TP), permanganate index (CODMn) and chlorophyll a (Chl-a) in summer was higher than the value in other seasons; (2) trophic states in Xixi creeks were different in seasons. Overall, the nutrition in creeks was at the level of slight eutrophication. The nutrition in summer is the highest and in winter is the lowest among the seasons.