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Oceanological and Hydrobiological Studies
EN The following phytoplankton characteristics and parameters were studied for different ecological types of river reaches: biomass (PB, mg l-1); abundance (PA, ×106 cells l-1); number of taxa per quantitative sample (PT); Nygaard's phytoplankton compound quotient (PCQ); phytoplankton dominants (PD). T[...]
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Rocznik Ochrona Środowiska
2012 Tom 14 146--160
PL Badania prowadzono w trzech eutroficznych jeziorach położonych w północno-zachodniej Polsce: jeziorze Adamowo, Grażyna i Klasztorne. Z każdego stanowiska pobierano próbę zooplanktonu oraz próbę wody do określenia wybranych parametrów fizyko-chemicznych. W odniesieniu do uzyskanych wyników można uzna[...]
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Oceanological and Hydrobiological Studies
EN The aim of this study was to evaluate the total and soluble forms of Cr, Ni, Cu, and Co contents in bottom sediments of the Supraśl River and its tributaries. Studies were carried out in August 2005 and March 2006. The total contents of metals were determined, following the digestion of the sediment[...]
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Oceanological and Hydrobiological Studies
EN The River Świnka (Polesie Region, southeastern Poland) receives salty mine waters from the “Bogdanka“ SA coal mine. In April, July and October of 2005, investigations of benthic diatoms were conducted at four stations, two of which were located downstream of the entry point for canal mine waters, wi[...]
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Oceanological and Hydrobiological Studies
EN Submersed plants appeared in the impounded section of the Warta River as a consequence of low discharge in summer and were colonized by epiphytic fauna dominated by Hydra sp., Simuliidae, and Chironomidae. The three-spined stickleback consumed it voraciously, and their diet composition closely refle[...]
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Acta Geophysica
EN The paper presents a mechanism of flow of water in an ice-covered river in the case of movable bottom. The analysis is based upon the principal hydrodynamics equations of turbulent flow in the case of steady uniform motion. It leads to the conclusion of linear distribution of the turbulent shear str[...]
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Polish Journal of Ecology
EN Investigations on the Upper Vistula River course (from 11 to 337 km) in years 1997-1998 comprised: chemistry of water and sediments, indicators of water quality, such as bacteriological indices, metabolic activity of seston, phytoseston indicator taxa, algal growth test, zooseston assemblages, benth[...]
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Polish Journal of Ecology
EN The main disturbancies in hydrological and chemical features of the Upper Vistula River were discussed as well as geological structure and soils of its drainage basin. Examined section of the river is 337 km long. Catchment area of 28 000 km^2 inhabited by 50 to 800 residents km ^-2. Three main prob[...]
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Gospodarka Wodna
2003 Nr 8 328-332
PL Przedstawiono najważniejsze problemy związane z zagospodarowaniem, utrzymaniem i ochroną rzek istotnych dla rolnictwa. Wskazano kierunki działań wynikające z Ramowej Dyrektywy Wodnej.
EN The most important problems connected with building, maintenance and protection of rivers vital to agriculture have been presented in the paper. There have been also pointed out directions for activities resulting from the Water Frame Directive.
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Polish Journal of Ecology
EN The aggregations of V. viviparus were observed in the littoral of Zegrzyński Reservoir (Central Poland), and in the outfalls of its tributaries. They were present over five years of studies (1990-1994), at the same sites. The densities of snails in the aggregations differed among the sites (from ove[...]
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Gospodarka Wodna
2001 Nr 4 172-174
PL Przedstawiono część wyników doświadczenia łąkowego, prowadzonego w dolinie rzeki Supraśli. Omówiono zmiany poziomu wody gruntowej i uzyskane plony siana na tym terenie w nawiązaniu do suszy panującej w 2000 r.
EN A part of results of the meadow experiment being carried on in the valley of the river Suprasl has been presented. With reference to the drought in the year 2000 there have been discussed changes in the level of the underground water and yield of hay obtained from that area.
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Gospodarka Wodna
2005 Nr 4 142-146
PL Artykuł przedstawia interesującą propozycję Instytutu Inżynierii i Gospodarki Wodnej Politechniki Krakowskiej co do definicji, kryteriów i sposobu określania przepływu nieszkodliwego w rzekach poniżej obiektów piętrzących.
EN The paper presents an interesting proposal by the Research Institute for Engineering and Water Management of the Technical University in Cracow concerning the definition, criteria and way of determination of the harmless flow in rivers below the dams.
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Journal of Ecological Engineering
EN The purpose of the study was to determine seasonal changes of ammonia nitrogen, nitrate nitrogen, total nitrogen, phosphate and total phosphorus in the years 2003–2009 in the river Supraśl. For this purpose a monitoring network was created with selected three control points on the basis of which the[...]
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Rocznik Ochrona Środowiska
2013 Tom 15, cz. 3 2510--2525
EN The article concerns the self-purification of running waters in areas where they flow into water bodies. At such places, delta forms (alluvial fans, deltas) are created that are built up of the material accumulated by the watercourse. The study was conducted in the Upper Silesia region in southern P[...]
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Gospodarka Wodna
2005 Nr 8 316-322
PL Porównano zasoby wodne największych rzek państw europejskich. Rzekami najbardziej zasobnymi w wodę są Wołga, Dunaj, Ren, Rodan, a z mniejszych rzek-Pad, Sawa i Moza. Małymi zasobami wód rzecznych charakteryzują się rzeki Półwyspu Iberyjskiego -Tag i Ebro - oraz Tamiza w Wielkiej Brytanii, Prypeć na [...]
EN There have been compared in the paper the water resources of the biggest European rivers. The most abundant in water are the rivers Wolga, Danube, Rhine and Rhone and among the smaller rivers -the Pad, the Sawa, the Moza. By small water resources are characterized the rivers of the Iberian Peninsula[...]
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Journal of Ecological Engineering
2015 Vol. 16, nr 5 183--189
EN Ecological risk has not been identified well enough for the designers and contractors to take any actions for its limitation. It results from the lack of the basis formed to assess its level objectively. The aim of this study was to determine the standards useful in the evaluation of the ecological [...]
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Journal of Ecological Engineering
EN The main purpose of the study was to evaluate water quality of the Supraśl river and identify its main pollution sources. On the river and its tributaries, 8 control points were selected, located near Krynica, Gródek, Nowosiółki, Zasady (mouth of the tributary Sokołda), Supraśl, Nowodworce, Dobrzyni[...]
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Journal of Ecological Engineering
2016 Vol. 17, nr 4 295--303
EN The article presents the results of studies upon metals (Pb, Zn, Cr, Ni, Cu, Co) in bottom sediments and in various parts of the aquatic plants taken from the Bug river (Poland). The metal contents in the examined environmental elements were determined by AAS technique. The aim of this study was to [...]
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Geology, Geophysics and Environment
2016 Vol. 42, no. 1 122--123
EN Groundwater resources play a dominant role in water supply in Serbia, and to manage them properly, an assessment of their quantitative and qualitative status must be given. The concept of quality groundwater management is the implementation of EU Water Framework Directive (WFD-2000/6/EC). In this, g[...]
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Journal of Ecological Engineering
2016 Vol. 17, nr 1 149--153
EN The objective of the research was to compare seasonal changes in selected indicators of water quality of the Łydynia river against Regulation of the Minister of Environment of 9 November 2011 on classification method for waterbody of surface waters and environmental quality standards for priority su[...]
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