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GEOGRAPHICAL AND ECOLOGICAL CHARACTERISTICS OF RAINBOW TROUT NATURALIZED POPULATION IN KAZAKHSTAN

Bakhyt Mynbayeva

First published: 2017-06-20https://doi.org/10.5593/sgem2017/52/s20.055View metrics

Abstract

In the 1970s the rainbow trout species (Parasalmo (O.) mykiss Walbaum, 1792) had been introduced in Kazakhstan water bodies by three batches from Kamchatka nurseries (Russia). Investigations of condition of the introduced trout have not been performed since 1982. We conducted the field researches in two lakes and six rivers in the Almaty region (Republic of Kazakhstan) during 2015-2016. Geographical and hydrological characteristics had been studied directly during expeditions, made in six river heads, along their channels till the fishing places. We also travelled to the two high altitude lakes. We examined the rainbow trout population on the comprehensive analysis basis. The research results showed that the hydrochemical condition of investigated six mountain rivers was satisfactory. However we determined the rainbow trout presence only in three rivers of the Almaty region. The rainbow trout population level was high. Fish numbers varied with hydrochemical and trophic aquatic conditions. We tested water quality on nine physical and chemical water indicators. Biometric data of the trout bions showed a good growth and fatness according to FultonпїЅs condition factor, as well as their high reproductive potential.

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Publication details

Title
GEOGRAPHICAL AND ECOLOGICAL CHARACTERISTICS OF RAINBOW TROUT NATURALIZED POPULATION IN KAZAKHSTAN
Authors
Bakhyt Mynbayeva
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Ecology, Economics, Education and Legislation
Publisher
STEF92 Technology
Year
2017
Pages
427-432
SWS Citekey
Mynbayeva201720427432
ISSN
1314-2704
ISBN
978-619-7408-09-6
Language
en
Publication type
Conference Paper
Keywords
rivergeographyecologyrainbow trout
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