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Journal articles on the topic 'Hydrobiological monitoring'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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1

POTYUTKO, O. M. "ASSESSMENT OF ECOLOGICAL STATE OF WATER BODIES USING INTEGRAL HYDROBIOLOGICAL AND HYDROCHEMICAL INDICATORS." Meteorologiya i Gidrologiya, no. 8 (August 2021): 66–74. http://dx.doi.org/10.52002/0130-2906-2021-8-66-74.

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The paper considers the features of the joint use of hydrobiological and hydrochemical indicators to characterize the ecological state of water bodies. The comparison of effectiveness of the joint assessment of the state of aquatic ecosystems based on hydrobiological and hydrochemical indicators is carried out. In some cases, a discrepancy between the integral assessment characteristics was revealed. It is due to the fact that the comparison of data of the Roshydromet hydrochemical and hydrobiological monitoring is carried out at the same site not taking into account hydrological features of w
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2

ANISHCHENKO, Lidia, Igor MOSKALENKO, Marina AVRAMENKO, Yuliya VOROCHAY, and Aleksey PLAKHOTIN. "BIOINDICATIVE, ECOLOGICAL AND ANALYTICAL SPECIFICATIONS OF MINOR STREAMS UNDER THE INFLUENCE OF HAZARDOUS MAN-MADE OBJECTS." Periódico Tchê Química 17, no. 35 (2020): 462–76. http://dx.doi.org/10.52571/ptq.v17.n35.2020.40_anishchenko_pgs_462_476.pdf.

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Water bodies are the most vulnerable mean in terms of human-made impact, and the collection of monitoring information on the state of biota and the hydrochemical regime is mandatory per the recommendations of the Water Framework Convention. The paper deals with the necessary arrangements for integrated monitoring and analysis of hydrobiological and environmental analytical databases for prognostic and remediation purposes at water observation points affected by human-made chemically hazardous technogenic object (chemical weapons). The purpose of this paper was to present data of hydrobiologica
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3

Yesipova, Natalia, Oleh Marenkov, Tatiana Sharamok, Oleh Nesterenko, and Viktoriia Kurchenko. "Development of the regulation of hydrobiological monitoring in circulation cooling system of the Zaporizhzhia nuclear power plant." Eastern-European Journal of Enterprise Technologies 2, no. 10 (116) (2022): 6–17. http://dx.doi.org/10.15587/1729-4061.2022.255537.

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The article proposes a new approach to solving the problem of biofouling at the facilities of the circulating cooling system of the Zaporizhzhia Nuclear Power Plant (ZNPP) by regulating hydrobiological studies. In the course of the studies, 4 species of hydrobionts were found that formed massive fouling on water supply facilities: filamentous algae Oedogonium sp. and Ulotrix zonata with a total biomass of 123.6±18.44 g/m2, tropical molluscs Melanoides tuberculata and Tarebia granifera of the Thiaridae family with a biomass of 20.09 g/m2. The shells of dead mollusks drifted along the pipes of t
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4

Natalia, Yesipova, Marenkov Oleh, Sharamok Tatiana, Nesterenko Oleh, and Kurchenko Viktoriia. "Development of the regulation of hydrobiological monitoring in circulation cooling system of the Zaporizhzhia nuclear power plant." Eastern-European Journal of Enterprise Technologies 2, no. 10 (116) (2022): 6–17. https://doi.org/10.15587/1729-4061.2022.255537.

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The article proposes a new approach to solving the problem of biofouling at the facilities of the circulating cooling system of the Zaporizhzhia Nuclear Power Plant (ZNPP) by regulating hydrobiological studies. In the course of the studies, 4 species of hydrobionts were found that formed massive fouling on water supply facilities: filamentous algae Oedogonium sp. and Ulotrix zonata with a total biomass of 123.6±18.44 g/m2, tropical molluscs Melanoides tuberculata and Tarebia granifera of the Thiaridae family with a biomass of 20.09 g/m2. The shells of dead mollusks drifted along the pip
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5

Середин, В. "MONITORING OF BIODIVERSITY OF FLORA AND FAUNA OF THE TALAS RIVER." EurasianUnionScientists 2, no. 1(82) (2021): 4–9. http://dx.doi.org/10.31618/esu.2413-9335.2021.2.82.1208.

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The aim of the current paper was the study of biodiversity of the flora and fauna of the Talas river. During the process of the research hydrobiological, ecological and biological aspects on the issue of the Talas river were studied. Water area of the reservoirs, is divided into spring, creek, river, water bodies and lake according to geographical position.
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6

Matoušková, Milada, Annett Weiß, and Jörg Matschullat. "Ecological survey of river habitat diversity: trans-boundary cooperation in the Ore Mountains (Krušné hory, Erzgebirge)." Geografie 115, no. 3 (2010): 284–307. http://dx.doi.org/10.37040/geografie2010115030284.

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Results of a trans-boundary ecological survey of the cross-border Rolava and Weisseritz river catchments in the Erzgebirge/Krušné hory are presented. An optimized method to assess the ecohydrological status of streams in keeping with the European Water Framework Directive has been developed. Guiding parameters for the hydromorphological survey were selected, used for (1) the German “Gewaesserstrukturguetekartierung” by the Field Survey method of the Laenderarbeitsgemeinschaft Wasser, (2) the Czech EcoRivHab method and (3) the Czech HEM method that additionally comply with the requirements of t
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7

Lapenkov, Artem, Alina Guzeva, Ksenia Zaripova, Dina Dudakova, and Artem Trifonov. "Hydrobiological and Geochemical Responses to Trout Cage Aquaculture in Lake Ecosystem." Limnological Review 24, no. 4 (2024): 593–615. https://doi.org/10.3390/limnolrev24040035.

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This study investigates the seasonal dynamics and interrelationships between geochemical and hydrobiological parameters in lake ecosystems impacted by fish cage farming in Lake Ladoga, Russia. Environmental conditions at three trout farms were assessed, focusing on water and sediment quality as well as benthic and zooplankton communities. For each farm, two categories of sampling sites were designated: cage sites and reference sites located 100–600 m away from the cages. Fieldwork was carried out across four seasons in 2023: February, June, August, and November. The findings indicate that inte
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8

Razumovsky, Lev V., and Vikenty L. Razumovsky. "Analysis of Rybinsk and Ivankovo reservoirs diatom complexes and phytoplankton associations long-term transformations." Issues of modern algology (Вопросы современной альгологии), no. 2(20) (2019): 83–86. http://dx.doi.org/10.33624/2311-0147-2019-2(20)-83-86.

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As a result of monitoring, a unified methodological approach was formulared for the ecosystems of the Ivankovsky and Rybinsk reservoirs, with comprehensive analysis of phytoplankton associations and diatom complexes from bottom sediments. In addition to traditional forms of hydrobiological analysis, the author's method of graphical analysis was applied.
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9

Kondrateva, Tatiana, and Larisa Nazarova. "Preliminary data on the chironomid fauna of the Middle Volga region within the Republic of Tatarstan (Russia) based on hydrobiological monitoring studies." CHIRONOMUS Journal of Chironomidae Research 28, no. 28 (2015): 36–39. https://doi.org/10.5324/cjcr.v0i28.1876.

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Kondrateva, Tatiana, Nazarova, Larisa (2015): Preliminary data on the chironomid fauna of the Middle Volga region within the Republic of Tatarstan (Russia) based on hydrobiological monitoring studies. CHIRONOMUS Journal of Chironomidae Research 28 (28): 36-39, DOI: 10.5324/cjcr.v0i28.1876, URL: https://www.ntnu.no/ojs/index.php/chironomus/article/view/1876
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10

Korolevskaya, Valentina, Olga Soprunova, Alina Galperina, and Alina Bareeva. "Assessment of watercourses of Astrakhan by hydrobiological and microbiological indicators." Vestnik of Astrakhan State Technical University. Series: Fishing industry 2019, no. 4 (2019): 24–31. http://dx.doi.org/10.24143/2073-5529-2019-4-24-31.

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The paper focuses upon the control over environmental pollution of water bodies by human waste products in urban areas, which can be carried out by monitoring hydrobiological indi-cators. In the course of study undertaken in May 2017 and 2018 there was assessed the ecological and sanitary status of the Volga and Kutum rivers that flow on the territory of Astrakhan. Samples were taken at four stations; the choice of station location was determined by the presence of pollutant sources: proximity of the city market or the power plant. Quantitative and qualitative indicators of the state of phytop
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11

Evgrafov, A. V., N. S. Kosov, and A. V. Tsvetkova. "Effect of Environmental Conditions on the Composition of Zooplankton in the Middle Stream of the Likhoborka River." Timiryazev Biological Journal, no. 1 (September 21, 2023): 73–79. http://dx.doi.org/10.26897/2949-4710-2023-1-73-79.

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The relevance is due to the paucity of official data on the state of surface water ecosystems In Rusia in terms of hydrobiological indicators and the prospects for the development of hydrobiological research as part of engineering and environmental surveys. The aim of the work is to continue the research of the ecological conditions of the Likhoborka basin with the identification of spatial and temporal patterns in the state of zooplankton. The objectives of the work were: to assess the study of the Likhoborka aquatic ecosystem; to perform a comprehensive environmental survey with plankton sam
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12

Trigub, Anatoly, Tatiana Drozdenko, Mariya Medyankina, and Nadegda Lyubovskaya. "Study of the state of phytoplankton in the waters of the Sea of Azov in the late autumn period of 2021." Fisheries 2023, no. 3 (2023): 60–66. http://dx.doi.org/10.37663/0131-6184-2023-3-60-66.

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The article presents the results of hydrobiological monitoring of the water area of the Sea of Azov in the late autumn period of 2021. The characteristics of the taxonomic composition and quantitative indicators of phytoplankton are given, the distribution of hydrobionts by dominant species is shown, and community structure and spatial distribution are determined
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13

Trigub, Anatoly, Mariya Medyankina, and Tatyana Khairulina. "Study of the state of zooplankton and zoobenthos in the water area of the Sea of Azov in the late autumn period of 2021." Fisheries 2023, no. 2 (2023): 39–49. http://dx.doi.org/10.37663/0131-6184-2023-2-39-49.

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The article presents the results of hydrobiological monitoring of the water area of the Sea of Azov in the late autumn period of 2021. The characteristics of the taxonomic composition and quantitative indicators of zooplankton and zoobenthos are given, the distribution of hydrobionts by dominant species is shown, and saprobity indicator species are noted.
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14

Matoušková, Milada. "Ecohydrological monitoring of the river habitat quality." Geografie 109, no. 2 (2004): 105–16. http://dx.doi.org/10.37040/geografie2004109020105.

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Complex ecohydrological methods are of principal significance when evaluating the state of water ecosystems and they give also decisive information for their restoration. New approaches in the evaluation allow a broader view at the water ecosystem. The ecohydrological state of a stream is determined by a set of hydromorphological characteristics of the river channel, of its runoff, by hydrochemical and hydrobiological condition of water, by the character of bank and riparian belts and transformation of the floodplain. The new European Water Framework Directive (2000/60/EC) underlines the signi
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15

Kondrateva, Tatiana, and Larisa Nazarova. "Preliminary data on the chironomid fauna of the Middle Volga region within the Republic of Tatarstan (Russia) based on hydrobiological monitoring studies." CHIRONOMUS Journal of Chironomidae Research, no. 28 (December 22, 2015): 36. http://dx.doi.org/10.5324/cjcr.v0i28.1876.

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<p>Here we provide a new list of chironomid taxa from the middle section of the River Volga (within the Republic of Tatarstan) and its tributaries (Mesha, Kazanka, Svijaga, Steppe Zai, Vjatka, Big Cheremshan, Tojma, Avlashka, Jurashka, and small inundated reservoir of Kazan). Chironomids were investigated from hydrobiological collections of zoobenthos completed by the Meteorological service of Russia (FPBI “Management of hydrometeorology and environmental monitoring of the Republic of Tatarstan”).</p>
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16

Evgrafova, Irina, and Alexei Evgrafov. "Ecological monitoring of overgrowing of the GRES reservoir." E3S Web of Conferences 403 (2023): 06019. http://dx.doi.org/10.1051/e3sconf/202340306019.

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Hydrobiological monitoring is currently widely used in the study of the water quality of cooling ponds of thermal power plants. With a high level of anthropogenic load, overgrowing gives a reliable integral result of the overall ecological condition of the reservoir. However, there is insufficient volume of actual field studies and their analytical processing in the scientific literature. In this study, an analysis of the ecological state of the object overgrowing was carried out, the main types by seasons were determined and the relationship with anthropogenic activity was established. The st
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17

Andrianova, Anna, Nicolay Shaparev, and Oleg Yakubailik. "Geoinformation Support and Web Technologies for Problems of Hydrobiological Monitoring of Yenisei River." MATEC Web of Conferences 79 (2016): 01056. http://dx.doi.org/10.1051/matecconf/20167901056.

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18

POTYUTKO, O. M., and D. V. NIKONOROVA. "HYDRODYNAMIC FACTORS OF FORMATION AND FUNCTIONING OF HYDROBIOLOGICAL COMMUNITIES: A CASE STUDY FOR THE CURONIAN LAGOON ZOOBENTHOS." Meteorologiya i Gidrologiya, no. 9 (September 2022): 74–83. http://dx.doi.org/10.52002/0130-2906-2022-9-74-83.

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The influence of hydrodynamic factors on the formation of zoobenthos communities in the coastal zone exposed to active wind-wave mixing, as well as in the deep part of water bodies characterized by the silt accumulation is considered for the Curonian Lagoon. The features of the qualitative and quantitative distribution of zoobenthos and their effect on determining the water quality using zoobenthos parameters are analyzed. Recommendations are given for the placement of hydrobiological monitoring stations based on zoobenthos parameters.
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19

Sadvakassova, G. E., T. A. Bazarbayeva, and Z. M. Argynbayeva. "MONITORING OF THE HYDROCHEMICAL REGIME OF KARATAL, AKSU AND LEPSY RIVERS." Geography and water resources, no. 1 (March 26, 2025): 69–77. https://doi.org/10.55764/2957-9856/2025-1-69-77.7.

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This article presents the hydrochemical characteristics of Karatal, Ak-Su and Lepsy rivers, hydrological regime and results of hydrobiological research. It also presents the results of studies on the formation of water quality in these rivers at present. As a result, an assessment of the ecological status and water quality was carried out using information and analytical materials from RSE Kazhydromet and Annual data on surface water quality of Kazakhstan. Monitoring was conducted from 2015 to 2020 and included changes in water temperature, dissolved oxygen content, pH values, mineralization l
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20

Amaeva, Frangiz Sh, Aishat A. Abdurakhmanova, Magomed M. Osmanov, and Gulnara A. Akhmedova. "Phytoperiphytic Communities of the Caspian Littoral Zone." UNIVERSITY NEWS. NORTH-CAUCASIAN REGION. NATURAL SCIENCES SERIES, no. 2 (214) (June 30, 2022): 93–102. http://dx.doi.org/10.18522/1026-2237-2022-2-93-102.

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Since phytoperiphyton, along with phytoplankton, is the first trophic link and the most informative biological object, the analysis of its species structure makes it possible to get an idea of the ecological state of the reservoir. Hydrobiological monitoring of the sea area, as well as hydrochemical monitoring, makes it possible to assess the quality of water, not only at the moment, but also in the previous period, as well as in case of chronic pollution. Thus, the conducted studies of the species diversity and distribution of phytoperiphyton make it possible not only to broaden the overall u
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21

Pryasiazhniuk, N., N. Grynevych, O. Slobodeniuk, et al. "Monitoring of morphological parameters of Cyprinidae liver." Ukrainian Journal of Ecology 9, no. 3 (2019): 162–67. http://dx.doi.org/10.15421/2019_74.

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The method of biomonitoring of natural reservoirs by diagnosing early violations in the most sensitive components of hydrobiological groups has been proved. Morphometric parameters of the liver of the family Cyprinidae fish are used as biotest-system for ecological analysis.Taking into account morphometric indexes of fish internal parenchymatous organs, the possibility of predicting the toxic substances influence on the aboriginal ichthyofauna state, has been determined. It has been established that protoplasmic and hemolytic toxicants violate cellular metabolism, causing dystrophy of liver ce
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22

Kuznietsov, P. M., and O. O. Biedunkova. "Comparative hydrobiological monitoring of water in technical water supply systems of nuclear power plants." Water bioresources and aquaculture, no. 2 (2022): 180–90. http://dx.doi.org/10.32851/wba.2022.2.13.

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23

Kandasami, Duraisamy. "Hydrobiological Studies of Arasalar Estuary: Emphasis on Heavy Metal Pollution." International Journal of Current Microbiology and Applied Sciences 13, no. 10 (2024): 248–55. https://doi.org/10.20546/ijcmas.2024.1310.029.

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Estuaries serve as crucial ecosystems, acting as natural filters for pollutants and providing important habitats for aquatic life. However, human activities such as industrialization, urbanization, and agricultural expansion have significantly impacted these ecosystems, resulting in the contamination of estuaries with harmful substances like heavy metals. The Arasalar estuary, located in Karaikal, South India, is one such vulnerable environment facing heavy metal pollution. This study investigates the hydrobiological characteristics of the Arasalar estuary, with a specific focus on the bioaccu
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24

Kuznetsova, K. Yu. "OPTIMIZATION OF METHODS OF STATE MONITORING OF WATER BODIES FOR PARASITOLOGICAL INDICES." Hygiene and sanitation 96, no. 5 (2019): 437–42. http://dx.doi.org/10.18821/0016-9900-2017-96-5-437-442.

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In an article there are discussed flaws in the formation of statistical parasitological indices in systems of socio-hygienic and hydrobiological monitoring. There is considered the relevance of free-living protozoa Amoebae accounting group, classification of the hazard and the role in the development of the water caused infectious morbidity of the population. There is presented an analytical factorization of the state of surface waters and there are considered the local values of parasitic contamination. Summary statistical reports of federal institutions - participants of the state monitoring
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25

Sidorova, L. I., E. S. Gorokhova, and Y. N. Kolodeznikova. "HYDROBIOLOGICAL COMMUNITIES OF THE MIDDLE REACHES OF THE LENA RIVER." Водные биоресурсы и среда обитания 6, no. 3 (2023): 66–74. http://dx.doi.org/10.47921/2619-1024_2023_6_3_66.

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The investigated site is located within the area of the Yakutsk Urban District and subjected to a high anthropogenic load. The construction of a bridge over the Lena River at its middle reaches is crucial for transport accessibility but will have a negative impact on aquatic bioresources and their habitat. Previously, this section of the river has not been studied, so the results will be indicative of the current state of aquatic biological resources and their habitat. This factor determined the aim of this study: the status assessment of the hydrobionts inhabiting a localized area in the midd
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26

Musaev, Ablatdin, Ramatulla Temirbekov, Irina Israilova, and Almagul Kaliknazarova. "Development of artemia resources in the western basin of the Aral sea." E3S Web of Conferences 407 (2023): 03005. http://dx.doi.org/10.1051/e3sconf/202340703005.

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Researchers from the Republic of Karakalpakstan are conducting continuous monitoring on the Aral Sea, studying artemia from various perspectives, as it is an interesting object from both a biological and applied perspective. This work is also being carried out jointly with the P.P. Shirshov Institute of Oceanology of the Russian Academy of Sciences. This paper presents the results of long-term comprehensive scientific research conducted on the Aral Sea. The main material for the study was our own collection of hydrobiological samples collected from the Western basin of the Aral Sea. As a resul
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27

Protasov, A. A., Ye I. Zubkova, and A. A. Silayeva. "Conceptual Approaches to Organization of Hydrobiological Monitoring of Techno-ecosystems of Thermal and Nuclear Power Plants." Hydrobiological Journal 52, no. 2 (2016): 59–70. http://dx.doi.org/10.1615/hydrobj.v52.i2.70.

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28

Jack, E. "The Progression of Hydrobiological Microbial Studies in the University Extramural Setting." Archives Des Sciences 73, no. 1 (2023): 17–20. http://dx.doi.org/10.62227/as/7304.

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This manuscript delineates the progression of microbial hydrobiology within the ambit of an ‘extramural’ university model, illustrated through the establishment of the Laboratory of Microbial Ecology (LEM) in Cantone Ticino and the Microbial Ecology Group at the University of Geneva. Situated within the premises of the Cantonal Institute of Microbiology, LEM has been instrumental in advancing scientific research and education at both graduate and undergraduate levels in the domains of clinical and environmental microbiology. The core research at LEM concentrates on bacterial species prevalent
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Razumovsky, Vikenty L. "Comprehensive monitoring of the Klyazma reservoir." Issues of modern algology (Вопросы современной альгологии), no. 2(23) (2020): 17–25. http://dx.doi.org/10.33624/2311-0147-2020-2(23)-17-25.

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The research was carried out during the comprehensive monitoring of the Klyazma reservoir in 2019. The work is devoted to the assessment of long-term environmental changes under the influence of natural and anthropogenic factors. The research combines two traditional methods of analysis. A layer-by-layer study of diatomic complexes and chemical composition in the bottom sediments of the reservoir was carried out. The results obtained were compared with the results of comprehensive monitoring on the taxonomic composition of phytoplankton and the chemical composition of water in the reservoir's
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30

Dallakyan, Marine R., and Vardan L. Asatryan. "Studying macrozoobenthos community and assessing the ecological status of the Tandzut River for improving hydrobiological monitoring system in Armenia." Ecosystem Transformation 4, no. 4 (2021): 24–31. http://dx.doi.org/10.23859/estr-210522.

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The improvement of water management calls for action in the Republic of Armenia. Nowadays, the development of the hydrobiological monitoring approaches and procedures is the main goal. However, a lack of knowledge on the background conditions prevents further activities of revaluating of the methods used for water monitoring in Armenia with the EU WFD principles. Following the results of baseline studies conducted in the Debed River system, it was concluded to investigate small tributaries in order to find the most relevant and the best available site in the drainage basin. The study aims to a
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31

Zinchenko, T. D., V. K. Shitikov, L. V. Golovatyuk, and E. V. Abrosimova. "Multidimensional Statistical Analysis of the Structure of Plankton and Bottom Communities of Mineralized Rivers of the Lake Elton Basin." Povolzhskiy Journal of Ecology, no. 4 (February 14, 2020): 407–18. http://dx.doi.org/10.35885/1684-7318-2019-4-407-418.

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The paper presents the results of our comprehensive studies of the saline rivers of the arid Prieltonie region based on hydrobiological surveys of plankton and bottom communities. We have compared two tables of the specific structure according to the results of observations at 13 river sites in 2013 and 2018, which included the numbers of hydrobionts of 94 different taxonomic groups of macrozoobenthos, meiobenthos and zooplankton. Using the method of joint inertia analysis, we have revealed a high statistical consistency of the data matrices, due to objective laws of the spatial distribution o
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32

Tagirov, Rizvan, and Tatyana Spitsyna. "Development of a System for Monitoring the State and Pollution of Land Surface Water in the Design Area of the Nizhneboguchanskaya HPP." Bulletin of Baikal State University 33, no. 3 (2023): 571–80. http://dx.doi.org/10.17150/2500-2759.2023.33(3).571-580.

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On the Angara River, there is already a cascade of four hydroelectric power plants. It is planned to build a new dam above Boguchany — Nizhneboguchanskaya hydroelectric station. This creates an additional burden on the river ecosystem. To record the initial state of the Angara River and track the dynamics of indicators, a program for monitoring the state and pollution of land surface waters in the design area of the Nizhneboguchanskaya hydroelectric power station was developed. The location of observation points was determined by taking into account the existing network of state monitoring of
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33

Vidinova, Yanka, Michaela Beshkova, Borislava Gyosheva, et al. "Changes of Biological Quality Elements during rehabilitation activities in LTER site Srebarna Lake, (LTER EU BG 007 "SREBARNA")." ARPHA Conference Abstracts 8 (May 28, 2025): e151267. https://doi.org/10.3897/aca.8.e151267.

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The Srebarna Lake is a shallow floodplain lake in NE Bulgaria, on the right bank of the Danube River, biosphere and managed reserve. Due to its importance as a unique ecosystem with diverse habitats and species richness it was designated as a Ramsar site (The Convention on Wetlands, RAMSAR. 1975), UNESCO Biosphere Reserve (Reserve 1977), a Monument of World Cultural and Natural Heritage (Heritage 1983), an Important Bird Area (Area 1989) and Natura 2000 protected zone (Natura 2000 protected zones 2008).The lake is characterized by an unstable water level, highly dependent on the level of the D
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Sharma, Shraddha, Savita Dixit, Praveen Jain, K. W. Shah, and Rakesh Vishwakarma. "Statistical evaluation of hydrobiological parameters of Narmada River water at Hoshangabad City, India." Environmental Monitoring and Assessment 143, no. 1-3 (2007): 195–202. http://dx.doi.org/10.1007/s10661-007-9968-8.

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35

Skuja, Agnija, Dāvis Ozoliņš, Laura Grīnberga, Viesturs Melecis, Gunta Spriņģe, and Ivars Druvietis. "Long-term hydrobiological monitoring importance for sustainable management of a shallow coastal macrophyte lake in the Baltic Ecoregion." ARPHA Conference Abstracts 8 (May 28, 2025): e149409. https://doi.org/10.3897/aca.8.e149409.

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This literature review analyzes the current state, challenges, and knowledge gaps for an adaptive management of the Engure Long-Term Socio-Ecological Research (LTSER) platform: Lake Engure and its catchment in Latvia.Lake Engure catchment area (644 km2) includes shallow lake (a remnant of the Litorina sea); part of the territory is a nature park and Ramsar site. Most of the catchment area is covered by the pine forests, large areas of marshlands, meadows, deciduous forests, dunes and agricultural lands. It is a biodiversity hotspot: avifauna - 186, vascular plants – 876 species; 44 species of
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36

Buyvolov, Yu A., I. V. Bykova, G. A. Lazareva, O. M. Potyutko, and A. G. Uvarov. "CURRENT STATUS AND PROSPECTS FOR THE DEVELOPMENT OF THE MONITORING AND ASSESSMENT FRESHWATER QUALITY BY HYDROBIOLOGICAL PARAMETERS IN RUSSIA." PROBLEMS OF ECOLOGICAL MONITORING AND ECOSYSTEM MODELLING XXVII, no. 2 (2016): 42–58. http://dx.doi.org/10.21513/0207-2564-2016-2-42-58.

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37

Delva, Anna Sergeevna, Lyubov Leonidovna Porotnikova, Samat Yerzhanovich Bayldinov, and Leonid Alexandrovich Shipovalov. "State of aquatic bioresources in the area of production of non-metallic building materials on the Irtysh river." Rybovodstvo i rybnoe hozjajstvo (Fish Breeding and Fisheries), no. 1 (March 1, 2021): 8–17. http://dx.doi.org/10.33920/sel-09-2103-01.

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Sands and the sand-gravel mixes (SGM) from which more than a half of nonmetallic construction materials is manufactured in the Russian Federation serve as one of main types of the mineral raw materials used for production of the nonmetallic construction materials (NCM). Production of non-solid building materials (NSM) — sand, gravel, sand and gravel mixture — is necessary for the normal functioning of the construction industry: the larger the settlement, the greater the volume of production of NSM for construction enterprises. Many areas of the NSM are confined to the floodplain or channel of
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38

Дубовик, О. С., Р. М. Маркевич, Е. В. Гаврилович, И. А. Гребенчикова, and В. В. Иванович. "Improving the hydrobiological analysis of activated sludge at the Minsk wastewater treatment facilities." Vodosnabzhenie i sanitarnaia tehnika, no. 10 (October 15, 2021): 26–36. http://dx.doi.org/10.35776/vst.2021.10.03.

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На основании накопленного опыта эксплуатации сооружений Минской очистной станции и обзора источников информации определена схема гидробиологического анализа активного ила, приведена форма регистрации результатов проведенного анализа. Для количественного учета нитчатых микроорганизмов разработана собственная пятибалльная система. Для нитчатых микроорганизмов, выявленных в активном иле, на основании анализа литературных данных определены условия, благоприятствующие их массовому развитию. В течение длительного периода времени, включающего разные сезоны года, проведена апробация усовершенствованно
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39

Semenenko, Sergey Ya, and Andrey E. Novikov. "MONITORING THE TECHNICAL STATE OF BANK PROTECTION FACILITIES OF VOLGOGRAD RESERVOIR." Land Reclamation and Hydraulic Engineering 15, no. 1 (2025): 196–215. https://doi.org/10.31774/2712-9357-2025-15-1-196-215.

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Purpose: monitoring the ecological state of the bank zone of the reservoir left side and studying the technical state and operability of the bank protection elements. Materials and methods. The study was conducted using archival material describing the dynamics of bank abrasion, modern publications reflecting the results of scientific research of the reservoir water area in related specialties, photo recording materials during annual route surveys, and included a visual study of the geological structure of the bankline. Results. Continuous and unfading over time abrasive transformation of the
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40

Timofeev, Ilya Vyacheslavovich, and Larisa Vladimirovna Nikolskaya. "Comprehensive monitoring of the water quality of the Velikaya river estuary by a set of hydrochemical and hydrobiological indicators (Pskov Region)." Samara Journal of Science 13, no. 2 (2024): 81–87. http://dx.doi.org/10.55355/snv2024132109.

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The purpose of our study was to study the dynamics of the water quality of the Velikaya River estuary in the growing season of 2023 according to a number of hydrochemical and hydrobiological indicators. The data of one-year hydrochemical and sanitary-microbiological monitoring of a natural reservoir, the mouth of the Velikaya River, are presented. The water area was studied based on data from the analysis of 5 stations. 21 hydrochemical indicators were determined. The water quality class has been determined according to the water pollution index. The sanitary and microbiological monitoring inc
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41

Kravchenko, Maryna, Liudmyla Arkhypova, and Yuliia Mykhailiuk. "Conceptual approach to the monitoring programme for the wetland of international importance Prut River Headwaters." Ecological Safety and Balanced Use of Resources 15, no. 1 (2024): 64–74. http://dx.doi.org/10.69628/esbur/1.2024.64.

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Functioning as a flood regulator and a freshwater reservoir, the Prut River Headwaters Wetland, protected under the Ramsar Convention, is a crucial hub of biodiversity, including endemic, rare, and threatened species listed in the national and global Red Lists. There are gaps regarding site management issues, including a lack of an integrated wetland monitoring system. Therefore, the objective of this research was to organise the processes involved in the comprehensive planning of wetland monitoring. To achieve this, the study utilised the conceptual framework for monitoring developed by the e
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Fatima, Asma, Ghulam Abbas, and Robert Kasprzak. "Assessment of Hydrobiological and Soil Characteristics of Non-Fertilized, Earthen Fish Ponds in Sindh (Pakistan), Supplied with Seawater from Tidal Creeks." Water 14, no. 13 (2022): 2115. http://dx.doi.org/10.3390/w14132115.

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In this study, the suitability of four earthen, seawater ponds located in the Thatta district of Sindh province (Pakistan) was evaluated for the purpose of semi-intensive mariculture, which remains to be a severely underdeveloped branch of the agricultural industry of this populous Asian country. Initial pond soil probes were promising, as they showed a high clay and silt content. Monthly water samples were obtained in the year 2019 (from January to December), which allowed for the monitoring of water parameters, as well as the identification and relative quantification of planktic populations
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43

Protasov, O. O., О. A. Nemtsov, and O. M. Masko. "Application of European Principles of Environmental Protection Activities in the Standard of Hydrobiological Monitoring of Water TechnoEcosystem NPP SE “NNEGC ‘Energoatom’”." Nuclear Power and the Environment 14, no. 2 (2019): 71–77. http://dx.doi.org/10.31717/2311-8253.19.2.9.

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44

Gogina, Elena, and Igor Gulshin. "Characteristics of Low-Oxygen Oxidation Ditch with Improved Nitrogen Removal." Water 13, no. 24 (2021): 3603. http://dx.doi.org/10.3390/w13243603.

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This article presents a study on the operational stability of laboratory oxidation ditches, designated for synthetic and real wastewater and operable at low concentrations of dissolved oxygen. The project encompassed the stability monitoring of activated sludge depending on sedimentation characteristics and hydrobiological indicator microorganisms, determining (1) the size of sludge floccules and (2) the main functional groups of microorganisms identified in the course of the PCR analysis and reaction rates, plotted using the Michaelis–Menten enzymatic kinetics for the mixed culture biomass. T
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Kopp, Radovan, Andrea Ziková, Jan Mareš, Stanislav Navrátil, Ondřej Adamovský, and Miroslava Palíková. "Diversity and toxin content of cyanobacteria in fish ponds (South Moravia, Czech Republic) related to fishery management intensity." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 56, no. 5 (2008): 111–18. http://dx.doi.org/10.11118/actaun200856050111.

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During the vegetative period of the year 2005 (June–October) we carried out hydrobiological and hydrochemical monitoring of selected ponds inhered in Southern Moravia in relation to different fi­she­ry management intensities. Water temperature, dissolved oxygen content, pH, conductivity and water transparency were monitored directly at taking place, N–NH4+, N–NO2-, N–NO3-, P–PO43- content and chlorophyll-a concentration were measured in hydrochemical laboratory. At the same time, water samples for taxonomical analyses of phytoplankton and assessment of toxin content of cyanobacteria were taken
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46

Vesnina, L. V. "ECOSYSTEM OF KULUNDINSKOE LAKE IN THE PERIOD OF DEMINERALIZATION." Bulletin of NSAU (Novosibirsk State Agrarian University), no. 1 (March 27, 2019): 68–77. http://dx.doi.org/10.31677/2072-6724-2019-50-1-68-77.

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Research on hyperhaline lakes began in 1977. Commercial interest to Artemia (at the stage of cysts) as a starting feed for hydrobionts served as the basis for monitoring of hyper haline lakes in the Altai Territory. Kulundinskoe lake is recognized as one of the largest basins in the Kulundinskaya plain of Ob-Irtyshskoye interfluve with population of fairy shrimp Artemia Leach, 1819. Comprehensive hydrobiological surveys in the growing season (April-October) 2018 show the dynamics of phytoplankton, zooplankton and stages of Artemia salina development in Kulundinskoe Lake . The researchers analy
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47

Savosin, E. S., Y. A. Kuchko, and D. S. Savosin. "Hydrobiocenoses of a small arctic lake under urbanization conditions." Arctic and Antarctic Research 71, no. 2 (2025): 201–14. https://doi.org/10.30758/0555-2648-2025-71-2-201-214.

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The problem of conservation and study of small urbanized water bodies in the Arctic regions of Russia is quite acute, given their economic, biological and recreational significance. The article is devoted to the study of the hydrobiological features of Lake Kontokki, on the eastern coast of which the single-industry town of Kostomuksha (northern Karelia) is located, the main industrial enterprise of which, the Kostomuksha Mining and Processing Plant, makes a significant contribution to the economic development of the Republic of Karelia and north-west Russia. To solve the problem, a study of t
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48

Kaltenbach, Thomas, Nathalie Mary, and Jean-Luc Gattolliat. "The Baetidae (Ephemeroptera) of the Comoros and Mayotte." African Invertebrates 62, no. 2 (2021): 427–63. http://dx.doi.org/10.3897/afrinvertebr.62.70632.

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Material collected in 1974 during the Austrian Hydrobiological Mission of F. Starmühlner to the Comoros and during recent years by one of the authors (NM) in the course of an ongoing freshwater monitoring program in Mayotte is the basis of this first larger study of the mayfly family Baetidae in the Comoros Archipelago (Comoros, Mayotte). We identified eight different species using morphological characters, four species on both the Comoros and Mayotte, three species on the Comoros only and one species on Mayotte only. Two species, Dabulamanzia mayottensis sp. nov. and Nigrobaetis richardi sp.
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49

Lagutkina, Lina, Polina Rozhkova, Elena Evgrafova, Yulia Grozesku, Sergey Ponomarev, and Arkady Babajanyan. "On the issue of Australian crayfish cultivation in ponds to ensure sustainable aquaculture development." IOP Conference Series: Earth and Environmental Science 937, no. 3 (2021): 032030. http://dx.doi.org/10.1088/1755-1315/937/3/032030.

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Abstract The authors of this article describe the experience of biotechnology for growing Australian crayfish in conditions of pond cultivation in a group of ponds, operating in an intensive mode, used in an isolated area close by a natural water source in the Astrakhan region. In the presented article, research is aimed to clarify the main biotechnological indicators that increase the efficiency of cultivation in pond conditions. The conditions of transportation, the duration of transportation, and the density of crayfish in ponds with an area of 1 hectare have been clarified. The presented f
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Kopp, Radovan, Pavla Řezníčková, Lenka Hadašová, Radim Petrek, and Tomáš Brabec. "Water Quality and Phytoplankton Communities in Newly Created Fishponds." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 64, no. 1 (2016): 71–80. http://dx.doi.org/10.11118/actaun201664010071.

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During the growing season of the year 2012 and 2013 (April–November) hydrobiological and hydrochemical monitoring of newly created fishponds inhered in Northern Moravia was carried out. Water temperature, dissolved oxygen content, pH, conductivity and water transparency were monitored directly at the sampling place. At the same time, water samples for taxonomical identification of phytoplankton were taken. Chemical parameters stabilization occurred in the second year after flooding. Chemism of fishponds was influenced by higher ration of organic matter in fishponds sediment and by fertilizing
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