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Population-ecological analysis of Rutilus Rutilus Aralensis Berg in Tuzkan lake, Uzbekistan

S. NomozovInstitute of Zoology, Uzbek Academy of Sciences, Bogishamol str., 232b, Tashkent, UzbekistanB. JumaboevNavoi State Pedagogical Institute, Ibn Sino str., Navoi, UzbekistanO. AbralovNavoi State Pedagogical Institute, Ibn Sino str., Navoi, UzbekistanB. KamilovTashkent State Agrarian University, University str., 2, Tashkent province, Uzbekistan, 100140

E3S Web of Conferencesjournal2021en

ABI

Annotatsiya

Population-ecological analysis of Aral roach ( Rutilus rutilus aralensis ) was conducted in Tuzkan lake of Aydar-Arnasay lake system in Uzbekistan. In the Aydar-Arnasay lake system, it was analyzed the age structure, body weight, 19 morphometric and 5 meristematic indicators of 158 fish specimens caught in Tuzkan Lake in January and February 2020. The main selected indicators as a result of statistical analysis are: arithmetic mean; error rate; indicators of variability of morphometric and morpho-physiological signs; and variable asymmetry of meristem indicators. Statistical evaluation was conducted to determine the reliability of the survey results. Some features of the morpho-physiological state of the studied population were identified, which were explained by natural-climatic features, as well as anthropogenic impact on the water basin.

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Mavzular

Fish Biology and Ecology Studies Fish Ecology and Management Studies Transboundary Water Resource Management

Identifikatorlar

DOI: 10.1051/e3sconf/202124402043

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