Phytoplankton Communities of the Vychegda River in the Area of Treated-Wastewater Intake from the Pulp and Paper Industry

Патова, Е. Н.; Stenina, A. S.; Shabalina, Yu. N.; Sterlyagova, Irina

doi:10.1134/s1995425521060093

Cited by 6 publications

(5 citation statements)

References 15 publications

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“…Ecoanalytical laboratory IB FRC Komi SC UB RAS is conformed to requirements of ISO/IEC 17025:2017 (GOST ISO/IEC 17025-2019) and recorded to the Register of Accredited CABs under number РОСС RU.0001.511257. A more detailed description of the hydrochemical analysis methods used was published by us earlier [32].…”

Section: Methods Of Plankton Sampling and Hydrological Investigationmentioning

confidence: 99%

Phytoplankton Life as an Indicator of the Reservoir Ecosystem State under the Influence of Thermal Pollution from the Electrical Power Plant in European North

Patova,

Shabalina,

Sivkov

et al. 2023

Preprint

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The species composition, the structure of phytoplankton communities, hydrochemical parameters in the artificial cooling reservoir of one of the largest thermal power plants (TPP) in the north-east of Europe in the Pechora River basin, Komi Republic were studied in the ice-open period in June and August. Altogether 81 species of algae and cyanobacteria was revealed with the last one predominated. Among cyanobacteria and algae (Bacillariophyta, Chlorophyta), indicators of water quality were found. Assessment of water quality according to the species composition and abundance of indicator phytoplankton species showed that the waters of the Pechorskoe Reservoir can be at-tributed to the III class of water quality, beta-mesosaprobic self-purification zone, with water quality of satisfactory purity, retaining the ability to self-purify. An increase in the diversity of plankton communities and high values of their abundance and biomass under the influence of the warming effect of TPP water outlet were noted and revealed its spatial distribution over the reservoir surface. The plankton of the northern reservoir under the influence of warm waters indicates a slight in-crease in the trophic status of the studied water body, which is also confirmed by the data of hydrochemical analysis. Ecological mapping for the chemical and biological variables as well as pollution indices over the water area of the reservoir was carried out. The results obtained can be used to make forecasts of changes in the phototrophic biota of small northern water bodies under the conditions of climate change.

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Section: Methods Of Plankton Sampling and Hydrological Investigationmentioning

confidence: 99%

Phytoplankton Life as an Indicator of the Reservoir Ecosystem State under the Influence of Thermal Pollution from the Electrical Power Plant in European North

Patova,

Shabalina,

Sivkov

et al. 2023

Preprint

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“…This is two months longer than what was observed in other water bodies in the region throughout the years [28]. Rare temperature spikes, reaching up to [30][31][32][33][34][35] • C in the summer, have been observed in the reservoir; such The power plant circulates 502,698 cubic meters of water annually from the lake, with an average temperature difference of 7.3 °C between the inlet and outlet throughout the year. Complete water exchange in the reservoir occurs within 15 days.…”

Section: Description Of the Study Sitementioning

confidence: 97%

“…It follows the requirements of ISO/IEC 17025:2017 (GOST ISO/IEC 17025-2019, https://www.iso.org/ru/standard/66912.html (accessed on 25 February 2019)) standards and has a quality certificate issued by the Register of Accredited CABs, number POCC RU.0001.511257. A more detailed description of the methods and analysis methods can be found in our previous publication [31]. Surface water temperature was measured with a multi-parameter analyzer HI98129 Combo (HANNA Instruments, Nusfalau, Romania).…”

Section: Hydrochemical Samples and Water Temperaturementioning

confidence: 99%

“…For algae identification, two microscopes were used: the Nikon Eclipse80i, equipped with a differential interference contrast system and video camera (Nikon, Tokyo, Japan), and the Bimam-I (LOMO, St. Petersburg, Russia). Diatoms were identified in temporary, calcined, and permanent slides in Elyashev's medium [30][31][32]. The species were identified following international keys ( [30,[33][34][35][36][37][38][39], and others), and taxonomic nomenclature follows current guidelines [40].…”

Section: Phytoplankton Samplesmentioning

confidence: 99%

“…standards and has a quality certificate issued by the Register of Accredited CABs, number РОСС RU.0001.511257. A more detailed description of the methods and analysis methods can be found in our previous publication[31].…”

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confidence: 99%

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Screening of Phytoplankton Dynamics: Assessing Reservoir Ecosystem Health under Thermal Pollution from an Electrical Power Plant in the Pechora River Basin, European North

Patova,

Shabalina,

Sivkov

et al. 2023

Life

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For the first time, we investigated species composition, phytoplankton community structure, and hydrochemical parameters in the artificial cooling reservoir of a major thermal power plant (TPP) in northeastern Europe located in the Pechora River basin (Komi Republic). Our research, conducted during June and August, revealed a total of 81 species of algae and cyanobacteria, with cyanobacteria predominating. Among these cyanobacteria and microalgae (Bacillariophyta and Chlorophyta), algae that serve as reliable indicators of water quality were identified. The assessment of water quality based on abundance and species composition of indicator phytoplankton species revealed that the waters of the Pechorskoe Reservoir belong to the III class (β-mesosaprobic or moderately polluted). This indicates that water quality is satisfactory, and the reservoir retains the ability to self-purify. The power plant’s discharges heat the surface layers, increasing plankton communities’ diversity, abundance, and biomass. Such stable warming in the upper layers throughout the season, uncommon for natural water bodies in the north, results in a slight increase in the trophic status of the studied reservoir, supported by hydrochemical analysis. These results provide valuable information about ecosystem functioning under temperature increasing for predicting changes in the phototrophic biota of small northern reservoirs facing the impacts of climate change.

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Study of seasonal variation in physicochemical parameters of industrial effluent from Bagru printing industries in Jaipur, Rajasthan

Nama

Jaiman

Pandey

et al. 2023

Materials Today: Proceedings

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Phytoplankton Communities of the Vychegda River in the Area of Treated-Wastewater Intake from the Pulp and Paper Industry

Cited by 6 publications

References 15 publications

Phytoplankton Life as an Indicator of the Reservoir Ecosystem State under the Influence of Thermal Pollution from the Electrical Power Plant in European North

Phytoplankton Life as an Indicator of the Reservoir Ecosystem State under the Influence of Thermal Pollution from the Electrical Power Plant in European North

Screening of Phytoplankton Dynamics: Assessing Reservoir Ecosystem Health under Thermal Pollution from an Electrical Power Plant in the Pechora River Basin, European North

Study of seasonal variation in physicochemical parameters of industrial effluent from Bagru printing industries in Jaipur, Rajasthan

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