Ecological status water bodies of the urban environment on the example of the city of Tyumen

Natalya Sannikova; Olga Shulepova

doi:10.55186/25876740_2025_68_4_522

VAK Russia 1.6.21 UDC 502.55 UDC 504.056

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ECOLOGICAL STATUS WATER BODIES OF THE URBAN ENVIRONMENT ON THE EXAMPLE OF THE CITY OF TYUMEN Ecological status water bodies of the urban environment on the example of the city of Tyumen

АА Аа

Published in INTERNATIONAL AGRICULTURAL JOURNAL · Issue 4 · Pages 522–525 · Rubric: Environmental and food security

DOI: https://doi.org/10.55186/25876740_2025_68_4_522

Received: 27.01.2025 Accepted: 26.02.2025 Published: 15.08.2025

Authors

Natalya Sannikova

ORCID Scopus ResearcherID SPIN

Olga Shulepova

ORCID Scopus ResearcherID SPIN

Natalya Sannikova

Academic degree: candidate of agricultural sciences

Science rang: docent

Northern Trans-Ural State Agricultural University associate professor of the department · department of ecology and rational nature management · Russian Federation · Tyumen

ORCID Scopus ResearcherID SPIN

Olga Shulepova

Academic degree: candidate of agricultural sciences

Science rang: docent

Northern Trans-Ural State Agricultural University associate professor of the department · department of ecology and rational nature management · Russian Federation · Tyumen

ORCID Scopus ResearcherID SPIN

ABSTRACT

The article uses various research methods to study the ecological state of two water bodies (Olovyannikov Pond and Tsimlyanskoye Lake) in the Kalininsky District of Tyumen. The analysis was conducted based on the main physical, chemical, and organoleptic properties of the water. According to the results of laboratory studies of the water samples from the water bodies, the water has an earthy odor at 20°C and 60°C, which corresponds to the maximum permissible concentrations. The color of these objects varies from 36 to 51 degrees of color, and the turbidity ranges from 33.4 to 61.6 units of turbidity according to formazin per 1 liter. According to the hydrogen index, the water in the studied objects is characterized as slightly alkaline, ranging from 7.3 (Olovyannikov Pond) to 7.5 (Tsimlyanskoye Lake). Chemical studies have shown that the surface water samples of Lake Tsimlyanskoye exceed the maximum permissible concentrations of the following substances: chemical oxygen consumption is 7.6 times higher, biochemical oxygen consumption during the analysis on the 5th day – 17.5 times. In the water samples of the Olovyannikov pond, the excess was noted for chemical oxygen consumption in 4.1 times, biochemical oxygen consumption during the analysis on the 5th day – 13 times, chlorides – 1.5 times, phosphate ions – 4.5 times. Exceeding the maximum permissible concentrations for sulfate ions and dissolved oxygen was not noted. According to the results of biotesting, the highest germination rate was observed in the control variant (92%), which is 4% and 12% higher than in the 2nd and 3rd variants, respectively. The state of water bodies in the Kalininsky District of Tyumen is assessed as very dirty, which is confirmed by the calculation of the water pollution index (the water pollution index of Lake Tsimlyanskoye is 7.6, and the water pollution index of Olovyannikov Pond is 7.2) and the results of biotesting.

KEYWORDS

water body, pollution, environment, ecology, urbanization, city, pollution index, biotesting

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Sannikova N. V., Shulepova O. V. Ecological status water bodies of the urban environment on the example of the city of Tyumen // INTERNATIONAL AGRICULTURAL JOURNAL. 2025. no. 4. pp. 522-525. DOI: https://doi.org/10.55186/25876740_2025_68_4_522. (Date of access 20.09.2026).

MLA

Natalya Sannikova, Shulepova O. V.. "Ecological status water bodies of the urban environment on the example of the city of Tyumen." INTERNATIONAL AGRICULTURAL JOURNAL.4 (2025): 522-525. DOI: https://doi.org/10.55186/25876740_2025_68_4_522.

APA

Sannikova N. V., Shulepova O. V. (2025). Ecological status water bodies of the urban environment on the example of the city of Tyumen. INTERNATIONAL AGRICULTURAL JOURNAL(4), 522-525. https://doi.org/10.55186/25876740_2025_68_4_522

Chicago

Natalya Sannikova, Shulepova O. V.. "Ecological status water bodies of the urban environment on the example of the city of Tyumen." INTERNATIONAL AGRICULTURAL JOURNAL, no. 4 (2025): 522-525. https://doi.org/10.55186/25876740_2025_68_4_522.

WIKI

{{cite journal | author = Sannikova N. V., Shulepova O. V. | title = Ecological status water bodies of the urban environment on the example of the city of Tyumen | journal = INTERNATIONAL AGRICULTURAL JOURNAL | year = 2025 | issue = 4 | pages = 522-525 | doi = 10.55186/25876740_2025_68_4_522 }}

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ECOLOGICAL STATUS WATER BODIES OF THE URBAN ENVIRONMENT ON THE EXAMPLE OF THE CITY OF TYUMEN Ecological status water bodies of the urban environment on the example of the city of Tyumen

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