Changes of physicochemical parameters and phytoplankton in water of a submountain dam reservoir - effect of late summer stormflow

• Autorzy: Szarek-Gwiazda E. , Mazurkiewicz-Boroń G. , Wilk-Woźniak E.

Warianty tytułu

PL

Zmiany parametrów fizykochemicznych i fitoplanktonu w wodzie podgórskiego zbiornika zaporowego - wpływ letniej fali powodziowej

• Języki publikacji: EN

Abstrakty

EN

Physicochemical parameters of water and phytoplankton composition were studied in the dimictic, submountain Dobczyce Reservoir (southern Poland) affected by summer stormflow, which took place in September 2007. During summer (except September) temperature, pH, dissolved oxygen, and carbonates showed vertical differentiation. Stormwater flow through the system had a destabilizing effect on summer stratification. It diluted the concentrations of salts (sulphate and chloride) and slightly increased the concentration of nutrients in the reservoir. In phytoplankton some changes in the dominant species among the Cyanobacteria group were noted.

PL

Badano zmiany parametrów fizykochemicznych oraz strukturę fitoplanktonu w wodzie dimiktycznego, podgórskiego zbiornika zaporowego (Zbiornik Dobczycki, południowa Polska), przez który we wrześniu przeszła fala powodziowa. Temperatura wody, pH oraz zawartości tlenu rozpuszczonego i wodorowęglanów wykazywały znaczne zróżnicowanie w słupie wody w okresie lata. Fala wezbraniowa płynąca przez zbiornik we wrześniu zaburzyła letnią stratyfikację wykształconą w pelagialu. Spowodowała ona rozcieńczenie stężeń soli (chlorków i siarczanów) oraz niewielki wzrost zawartości azotanów i fosforu ogólnego. Porównując okres przed wezbraniem i krótko po przejściu fali powodziowej, w składzie fitoplanktonu stwierdzono zmiany w obrębie dominujących gatunków należących do sinic (Cyanobacteria).

Słowa kluczowe

EN

dam reservoir; summer stormflow; water chemistry; phytoplankton

PL

zbiornik zaporowy; fizykochemia wody; fitoplankton; letnia fala powodziowa

• Wydawca: Institute of Environmental Engineering, Polish Academy of Sciences
• Czasopismo: Archives of Environmental Protection
• Rocznik: 2009
• Tom: Vol. 35, no. 4
• Strony: 79--90
• Opis fizyczny: bibliogr. 27 poz., wykr.

Twórcy

autor

Szarek-Gwiazda E.

autor

Mazurkiewicz-Boroń G.

autor

Wilk-Woźniak E.

• Institute of Nature Conservation, Polish Academy of Sciences al. Mickiewicza 33, 31-016 Kraków, Poland,

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