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Brown trout exposed to acid-treated and nontreated humic water from Lake Skjervatjern
AbstractLake Skjervatjern was divided into two separate basins. One basin and its catchment were treated with sulphuric acid and ammonium nitrate. The other part was kept as a control. Brown trout was exposed to acid-treated and nontreated water from the outlets of the two basins. The results showed higher mortality in acid-treated water compared to nontreated water from Lake Skjervatjern. Chloride concentration in blood plasma was lower in fish exposed to acid-treated water, indicating a higher degree of stress. Some physical/chemical parameters showed different values for the acid-treated basin compared to water from the nontreated one, e.g., increasing concentrations of sulphur and nitrogen were seen in the acid-treated basin. However, no physical/chemical parameter or group of parameters has been identified from the two basins that can explain the difference in fish mortality and stress.
Brown trout exposed to acid-treated and nontreated humic water from Lake Skjervatjern
AbstractLake Skjervatjern was divided into two separate basins. One basin and its catchment were treated with sulphuric acid and ammonium nitrate. The other part was kept as a control. Brown trout was exposed to acid-treated and nontreated water from the outlets of the two basins. The results showed higher mortality in acid-treated water compared to nontreated water from Lake Skjervatjern. Chloride concentration in blood plasma was lower in fish exposed to acid-treated water, indicating a higher degree of stress. Some physical/chemical parameters showed different values for the acid-treated basin compared to water from the nontreated one, e.g., increasing concentrations of sulphur and nitrogen were seen in the acid-treated basin. However, no physical/chemical parameter or group of parameters has been identified from the two basins that can explain the difference in fish mortality and stress.
Brown trout exposed to acid-treated and nontreated humic water from Lake Skjervatjern
Lien, Leif (author)
Environmental International ; 20 ; 349-352
1994-02-04
4 pages
Article (Journal)
Electronic Resource
English
Brown trout exposed to acid-treated and nontreated humic water from Lake Skjervatjern
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