STUDY ON THE TOXICITY OF CARBONATE-ALKALINE TO FISHES
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    Abstract:

    This paper reports the results of experiments on the toxicity of alkaline to fishesin 1980--1981. The effects of different composition of alkaline as well as their internalrelationship in causing toxicities are discussed.It is noticed that alkaline (A) and pH are interdependent in producing the toxica-tion on fishes. The relationship of the 24h TLm is pH = (10.00+0.038)-(0.0149+0.007) A(n = 25,r= -0.976, s=0.101). Under the experimental condition, CO3- 24hTLm to silver carp(Hypophthalmichthys molitrix) is 12.4me/L. Besides CO3-,the majormortality factor, OH-, CO2- and salinity also participate in synergism on different pHintervals. Therefore, alkalinity 10me/L may be taken as the danger index for waterquality in culturing silver carp and bighead carp (Aristichthys nobilis).

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Lei Yanzhi, Doug Shuanglin, Shen Chenggang. STUDY ON THE TOXICITY OF CARBONATE-ALKALINE TO FISHES[J]. Journal of Fisheries of China,1985,9(2):171~183

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  • Online: October 24,2014
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