Assessment of the ecological state of the floodplain of the Vyatka River and its tributaries in the Kirov region, Russia
https://doi.org/10.18470/1992-1098-2025-3-14
Abstract
Aim. Assessment of the ecological state of the Vyatka River and its tributaries in the Kirov region during canoe expeditions. Material and methods. The studies were conducted using chemical, toxicological, microbiological analysis methods, lichen indication, geobotanical, bioindication research methods, and a survey of the competencies of expedition participants.
Based on the results of chemical, toxicological and microbiological analyses of river water samples from the Vyatka, Letka, Kobra, Pizhma, Cheptsa, and Moloma rivers, the most polluted and cleaner sections of the rivers were identified. Using geobotanical research techniques, the species composition of meadow and forest vegetation was determined. The percentage of lichen cover in pine forests was measured. The species composition of invertebrates in the rivers was determined. Assessment of the expedition participants’ acquisition of competencies was carried out.
The most polluted sections of the rivers were identified, the largest number of meadow vegetation species being found in the Atarskaya Luka nature reserve. The forest vegetation of the Kirov region is represented by conifers, aspen, birch and other soft‐leaved trees. The percentage of lichen cover of pine forests ranges from 2 % to 100 % and decreases near cities. The highest species composition of invertebrates is in the Moloma and Pizhma rivers: the biotic index is 6–9. A survey of expedition participants showed an increase in the level of the cognitive competence ofi dentifying other soft‐leaved trees. The percentage of lichen cover of pine forests ranges from 2 % to 100 % and decreases near cities. The highest species composition of invertebrates is in the Moloma and Pizhma rivers: the biotic index is 6–9. A survey of expedition participants showed an increase in the level of the cognitive competencies in ecological fieldwork and acquisition of further competencies in activity, research activity and scientific communication during and after the expeditions.
About the Authors
S. A. Poluboyartsev
Vyatka State University
Russian Federation
Competing Interests:
Russian Federation
Sergey A. Poluboyartsev, Senior Lecturer
33a Svobody St, Kirov, 610002. Tel.+79127073000
Competing Interests:
The authors declare no conflict of interest.
Yu. V. Shapkov
Vyatka State University
Russian Federation
Competing Interests:
Russian Federation
Yuri V. Shapkov
Kirov
Competing Interests:
The authors declare no conflict of interest.
N. V. Meshenina
Vyatka State University
Russian Federation
Competing Interests:
Russian Federation
Natalia V. Meshenina
Kirov
Competing Interests:
The authors declare no conflict of interest.
E. G. Khlyupina
Vyatka State University
Russian Federation
Competing Interests:
Russian Federation
Elena G. Khlyupina
Kirov
Competing Interests:
The authors declare no conflict of interest.
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Review
For citations:
Poluboyartsev S.A., Shapkov Yu.V., Meshenina N.V., Khlyupina E.G. Assessment of the ecological state of the floodplain of the Vyatka River and its tributaries in the Kirov region, Russia. South of Russia: ecology, development. 2025;20(3):155-168. (In Russ.) https://doi.org/10.18470/1992-1098-2025-3-14
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