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

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 ca...

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Bibliographic Details
Published in:E3S web of conferences 2021-01, Vol.244, p.2043
Main Authors: Nomozov, S., Jumaboev, B., Abralov, O., Kamilov, B.
Format: Article
Language:English
Subjects:
Age composition
Anthropogenic factors
Body weight
Error analysis
Human influences
Indicators
Lakes
Meristems
Physiology
Population studies
Reliability analysis
Rutilus
Statistical analysis
Statistics
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Summary: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.
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/202124402043