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Effect of Water Ammonia Nitrogen Concentration on Survival of Mosquitofish Gambusia affinis
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作者 Jinqing Wang Weiguang Lü +4 位作者 Xiaobin Tao Hanlin Zhang Shuangxi Li xianqing zheng Wenzong Zhou 《Journal of Water Resource and Protection》 2016年第4期435-437,共3页
In this study, the relationship of the growth of invasion fish with water eutrophication processes was explored in Yangtze estuary, China. High water ammonia nitrogen concentration produced high effects on the growth ... In this study, the relationship of the growth of invasion fish with water eutrophication processes was explored in Yangtze estuary, China. High water ammonia nitrogen concentration produced high effects on the growth and survival of mosquitofish Gambusia affinis. When the ammonia nitrogen was higher than 51.75 mg/l, the fish death rate obviously increased with days, and at the 4th day fish presented the highest mortality, while 23.72 mg/l ammonia nitrogen conditions have been able to ensure fish survival for two days in experiment treatment. Therefore, ammonia nitrogen of Grade V polluted water (national water quality criteria) is just 3 mg/l, and the water can be enough to support fish normal survival. Our results suggest mosquitofish was a suitable pioneer species for restoring polluted water ecology and purify water. 展开更多
关键词 Water Pollution Ammonia Nitrogen MOSQUITOFISH Gambusia affinis EUTROPHICATION
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