Surface Water Eutrophication in Poland: Assessment and Prevention

Neverova-Dziopak, Elena

doi:10.1007/978-3-030-64892-3_14

Cited by 3 publications

(7 citation statements)

References 12 publications

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“…The Integral Trophic State index (ITS), which was elaborated by Neverowa-Dziopak 4 , 46 and has been tested in various aquatic environments 92 – 95 , is calculated based on measurements of pH and water oxygen saturation. The pH values varied from 6.95 to 8.60 (average of 7.44) in the Tresna Reservoir.…”

Section: Resultsmentioning

confidence: 99%

“…The water pH (potentiometric method) and oxygen saturation (measurement with a microcomputer oxygen meter, %O 2 ) were measured immediately after collection of the water samples. Both parameters were based on an integral criterion of trophic state developed by Neverowa-Dziopak 4 , 46 in the form of the Integral Trophic State index (ITS). ITS reflects the production and decomposition balance of organic substances, which reveals itself in the gas economy of the water.…”

Section: Research Protocols and Methods For Determining Trophic Statementioning

confidence: 99%

“…The trophic state was determined based on calculated ITS values, according to the following scale 4 , 46 : ITS below 6.0—dystrophy, ITS from 6.0 to 6.6—ultraoligotrophy, ITS from 6.7 to 7.3—oligotrophy, ITS from 7.4 to 8.0—mesotrophy, ITS above 8.0—eutrophy. …”

Section: Research Protocols and Methods For Determining Trophic Statementioning

confidence: 99%

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Assessment of the trophic state of the Soła River dam cascade, Polish Carpathians: a comparison of the methodology

Jachniak

Jaguś

2023

Sci Rep

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The aim of this research was to determine the trophic state of mountain dam reservoirs, which are characterized by greater hydrological and ecological dynamics than lowland reservoirs. The trophic state of three dam reservoirs forming a cascade system was investigated. Trophic evaluation was carried out based on multiple criteria, i.e., (1) the content of chlorophyll a in the water, (2) planktonic algal biomass, (3) groups and species of algae, (4) the total phosphorus concentration in the water, and (5) the Integral Trophic State index (ITS). The analyzed parameters were characterized by high variability during the study period, which to a large extent may have resulted from the mountain environmental conditions. The greatest dynamics concerned parameters related to phytoplankton development. Unequivocal determinations of the trophic states of the reservoirs were difficult; however, it was found that in successive reservoirs of the cascade (from the highest to the lowest), a reduction in water fertility occurred.

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Section: Resultsmentioning

confidence: 99%

Section: Research Protocols and Methods For Determining Trophic Statementioning

confidence: 99%

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Assessment of the trophic state of the Soła River dam cascade, Polish Carpathians: a comparison of the methodology

Jachniak

Jaguś

2023

Sci Rep

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“…The constant reduction of phosphorus resources and the lack of control over the circulation of this element leads to unfavorable processes occurring in the environment. One of them is the disturbance of the balance of the production processes and the decomposition of organic substances in water bodies, leading to an increase in the productivity of these waters and their secondary pollution called eutrophication [ 2 , 8 , 9 ]. One of the main sources of phosphorus is municipal wastewater, providing 50–90% of the phosphorus compounds that are supplied to receivers along with discharged, treated wastewater, which makes it necessary to look for more and more effective technologies for the treatment of wastewater from phosphorus compounds [ 4 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

“…The currently used biological methods of wastewater treatment cause the “eutrophication potential” of the treated wastewater to be high due to the large number of phosphorus forms available to plants in this wastewater, which in turn, will result in further reductions in the permissible concentrations of this element in the treated wastewater [ 8 , 10 , 11 ]. Additionally, taking into account the enormous importance of phosphorus in the economy and meeting the existential needs of mankind and its limited resources and large losses, apart from phosphorus removal from the treated medium, its recovery and reuse should also be taken into account.…”

Section: Introductionmentioning

confidence: 99%

Removal of Phosphorus with the Use of Marl and Travertine and Their Thermally Modified Forms—Factors Affecting the Sorption Capacity of Materials and the Kinetics of the Sorption Process

et al. 2023

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The paper presents new reactive materials, namely marl and travertine, and their thermal modifications and the Polonite® material, analyzing their phosphorus removal from water and wastewater by sorption. Based on the experimental data, an analysis of the factors influencing the sorption capacity of the materials, such as the material dose, pH of the initial solution, process temperature, surface structure, and morphology, was performed. Adsorption isotherms and maximum sorption capacities were determined with the use of the Langmuir, Freundlich, Langmuir–Freundlich, Tóth, Radke–Praunitz, and Marczewski–Jaroniec models. The kinetics of the phosphorus sorption process of the tested materials were described using reversible and irreversible pseudo-first order, pseudo-second order, and mixed models. The natural materials were the most sensitive to changes in the process conditions, such as temperature and pH. The thermal treatment process stabilizes the marl and travertine towards materials with a more homogeneous surface in terms of energy and structure. The fitted models of the adsorption isotherms and kinetic models allowed for an indication of a possible phosphorus-binding mechanism, as well as the maximum amount of this element that can be retained on the materials’ surface under given conditions—raw marl (43.89 mg P/g), raw travertine (140.48 mg P/g), heated marl (80.44 mg P/g), heated travertine (282.34 mg P/g), and Polonite® (54.33 mg P/g).

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Saint Petersburg Flood Protection Dam as Tool to Solve the Environmental Tasks

Tsvetkova

2019

KEM

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The paper grounds the necessity to conduct the large-scale field experiment on manoeuvring with the floodgates of Saint Petersburg Flood Protection Complex (FPC). The paper presents the results of I-stage experiment and the program of II-stage experiment. The aim of the experiment is the verification of the possibility to manage the hydrological, sanitary and ecological state of the Neva Bay and the eastern part of the Gulf of Finland of the Baltic sea by means of manoeuvring with Flood Protection Complex floodgates. In order to develop the program of field experiment implementation it was necessary to assess the sanitary and ecological state of water ecosystem under present conditions. The assessment was based on monitoring data concerning the certain priority parameters obtained from the selected representative measuring points. On the basis of the analysis of water quality and the state of the Neva Bay and the eastern part of the Gulf of Finland the scheme for manoeuvring with floodgates of the FPC together with the sequence of order of their opening and closing was developed. Recommendations regarding the conditions and terms of conducting the experiment were developed.

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Surface Water Eutrophication in Poland: Assessment and Prevention

Cited by 3 publications

References 12 publications

Assessment of the trophic state of the Soła River dam cascade, Polish Carpathians: a comparison of the methodology

Assessment of the trophic state of the Soła River dam cascade, Polish Carpathians: a comparison of the methodology

Removal of Phosphorus with the Use of Marl and Travertine and Their Thermally Modified Forms—Factors Affecting the Sorption Capacity of Materials and the Kinetics of the Sorption Process

Saint Petersburg Flood Protection Dam as Tool to Solve the Environmental Tasks

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