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1

Horizontal distribution of ciliates: open peatbog vs. Lagg (Roztocze National Park)

100%
Mieczan T., Niedzwiecki M.
Teka Komisji Ochrony i Kształtowania Środowiska Przyrodniczego
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2014
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tom 11
2
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The trophic state of the Vistula Lagoon: an assessment based on selected biotic and abiotic parameters according to the Water Framework Directive

80%
Nawrocka L., Kobos J.
Oceanologia
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2011
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tom 53
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nr 3
The aim of the study was to determine the trophic state of the Vistula Lagoon in 2007–2009. The analysis of various trophic state indices, abiotic parameters and different water classifications indicated the eutrophy and even advanced hypereutrophy of the lagoon waters. The composition, abundance and biomass of phytoplankton likewise reflect the eutrophic nature of this water body. For this lagoon, Reynold’s functional groups of phytoplankton were used as an indicator of eutrophication for the first time. The dominant phytoplankton organisms in the surface waters belong to 8 functional groups: S1, X1, F, J, K, H1, LO, M. Some key concepts of the EU Water Framework Directive were implemented in this study.
3

Potamozooplankton communities in three different outlets from mesotrophic lakes located in lake-river system

80%
Czerniawski R., Domagala J.
Oceanological and Hydrobiological Studies
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2012
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tom 41
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nr 1
4

Abiotic parameters determining fauna composition in karstic springs

80%
Koperski P., Dumnicka E., Galas J.
Polish Journal of Ecology
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2011
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tom 59
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nr 1
The biotic diversity of springs is specific, which makes them valuable sites important for nature protection. Springs located in the Krakow-Częstochowa Upland (southern Poland) are characterized by low variability of environmental conditions, but their benthic fauna composition is considerably different. Benthic invertebrates, water chemistry as well as sediment characteristics of 25 springs were studied four times in 2003. The relationships between fauna composition and abiotic parameters were ascertained using multivariate statistical analyses. In total, fifty families or subfamilies and four higher taxa of invertebrates were identified in the springs studied. Only Gammarus fossarum (Amphipoda) occurred in all of the springs, whereas crenophilic taxonomic groups such as Turbellaria, Bythinellinae, Nemouridae, Limoniidae, Limnephilidae and Enchytraeidae as well as ubiquitous taxa such as Tubificidae and Chironomidae were very common but not present in all springs. Important factors determining differences in the taxonomic composition (at the family level) of the invertebrate fauna of springs were found to be those connected with their geographical location as well as chemical and discharge parameters, which were different for southern and northern groups of springs. The taxonomic richness, i.e. the number of invertebrate taxa, was found to be strongly dependent on discharge and the content of organic matter in bottom sediments, whereas specific taxa mentioned above had other abiotic determinants such as alkalinity, NO3 and temperature.
5

Ciliates in small humic lakes [Masurian Lakeland, Poland]: relationship to acidity and trophic parameters

70%
Kalinowska K.
Polish Journal of Ecology
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2000
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tom 48
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nr 3
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