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Huan Jing Ke Xue. 2013 Aug;34(8):3286-93.

[Toxicity of nitrate-N to freshwater aquatic life and its water quality criteria].

[Article in Chinese]

Author information

1
College of Water Sciences, Beijing Normal University, Beijing 100875, China. zlingsong@163.com

Abstract

The toxicity sensitivity of different freshwater aquatic organisms was analyzed using the collected toxicity data in this paper. Three methods were used to estimate the criteria of nitrate to protect the freshwater aquatic life. The results showed that the species sensitivity to nitrate followed the order of Arthropoda > Mollusca > Chordata, and Crustacea > Insecta > Gastropoda > Bivalvia > Amphibia > Actinopterygii. Moreover, the output of assessment factor method, species sensitivity distribution method and USEPA's method was significantly different. Finally, criterias of 87.97 mg x L(-1) and 5.17 mg x L(-1) to protect aquatic life from acute and chronic toxicity were proposed using USEPA's method.

PMID:
24191581
[Indexed for MEDLINE]
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