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GAS REGIME AND HYDROGEN ION EXPONENT IN SPAWNING GROUNDS OF PHYTOPHILOUS FISHES OF THE KREMENCHUK RESERVOIR

Journal: Fisheries Science of Ukraine (Vol.17, No. 3)

Publication Date:

Authors : ; ;

Page : 23-29

Keywords : pH; spawning areas; phytophilous fish; Kremenchuk reservoir; gas regime; free carbon dioxide;

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Abstract

There has been studied the effect of water content on changes of pH and gas regime of spawning areas of phytophilous fish by the example of the Kremenchuk reservoir. It was found that in floodplain zones of the reservoir, the highest effect on changes of water pH and temperature is caused by annual water content. In channel parts, the given dependencies are observed between water temperature and water content. It was shown for the first time a positive effect of specific concentration of free carbon dioxide on viability of eggs of phytophilous fish.

Last modified: 2015-06-16 16:53:33