Analysis of the nutrient dynamics and eutrophication characters in Xinlicheng reservoir

doi:10.7523/j.issn.2095-6134.2011.6.004

Abstract

Abstract:

We analyze the nutrient dynamics and eutrophication features in Xinlicheng reservoir. The variation ranges in COD_Mn,TN, and TP were 3.4-8.6mg/L, 0.48-1.66mg/L, and 0.021-0.096mg/L, respectively. TN and TP concentrations exceeded the threshold for eutmphie state. N/P ratios favored algal growth between July and September. The trophic state of Xinlicheng reservoir was meso-tropher to eutrophic. Significant positive correlations were found between Chlorophyll-a and water temperature, pH, and TP. However low correlations were found between Chlorophyll-a and TN and between Chlorophyll-a and dissolved oxygen.

Key words: Xinlicheng reservoir, eutrophication, nutrients, Chlorophyll-a

CLC Number:

X524

SUN Li-Qiang, TIAN Wei, MA Guang-Qing, SUN Chong-Yu, GU Bin. Analysis of the nutrient dynamics and eutrophication characters in Xinlicheng reservoir[J]. , 2011, 28(6): 728-733.

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