The Designation of the Trophic State and Water Quality of the Porąbka Dam Recreational Reservoir

Jachniak, Ewa; Dobija, Justyna

doi:10.12912/23920629/68317

Cited by 1 publication

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“…Stachowicz and Czernoch 31 30 years ago made an attempt to evaluate the trophy of the Tresna and Porąbka Reservoirs, but without taking into account any trophicity scale (any limit values of the parameters). In the twenty-first century the trophy of reservoirs was evaluated more precisely, but still selectively 33 – 35 . The research described in this article is the first comprehensive research on the trophy of the Soła cascade, which includes all reservoirs at the same time and which uses several criteria of the trophic evaluation.…”

Section: Introductionmentioning

confidence: 99%

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

Jachniak

Jaguś

2023

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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: Introductionmentioning

confidence: 99%