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The toxic heptyl gets into the desert and steppe soils of Kazakhstan when rockets flights from the Baikonur cosmodrome. The Baikonur cosmodrome is located in the desert to the east from the Aral Sea. It has been operating since June 1955, i.e. 62 years. The desert and steppe areas are generally considered as fragile unstable ecosystems. The launch vehicles leave behind damaged phytocenoces and landscapes, and impoverished soils after falling. We found out the landscape sites, where under the influence of long-term...

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 ...