Effects of Water Quality on the Distribution of Chinese Giant Salamander(Andrias davidianus)in Guizhou Province,China

查看全文 作　　者：Xue [1]LI;Jingcai [2]LV;Shize [1]LI;Ning [1]XU;Gang [3]WEI

机构地区：[1]Moutai College,Renhuai 564500,China;[2]Basic Medical College,Zunyi medical College,Zunyi 563000,China;[3]Biology and Environmental Engineering College,Guiyang University,Guiyang 550000,China

出　　处：《Agricultural Science & Technology》索引2017年第18卷第8期,共5页

基　　金：Supported by the National Natural Science Foundation of China(31360144);the Fund of the Key Laboratory of Biodiversity Preservation,Guiyang University 摘　　要：13 water quality parameters were tested from 38 reaches of 34 counties in Guizhou where Chinese giant salamander(Andrias davidianus) distributed over the past 30 years. Dissolved oxygen and p H were found to be significant determinants of the species distribution in recent years(P<0.05). There was no Chinese giant salamander distribution in the recent five years in rivers with dissolved solids of greater than 415 mg/L, conductivity of greater than 639 us/cm, salinity of greater than 0.31 ppt and total hardness of greater than 150 mg/L. Sensitive to environment, the Chinese giant salamander is an important indicator for environmental quality, so it could be used as one of the environmental indicator. Eutrophication, chemical fertilizer, pesticides and inorganic pollutants may be one of reasons driving wild CGS into extinction. 关键词：中国大鲵水质参数贵州省环境质量无机污染物物种分布环境指标富营养化

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Effects of Water Quality on the Distribution of Chinese Giant Salamander(Andrias davidianus)in Guizhou Province,China

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