Elzbieta Szeląg-Wasielewska - Academia.edu (original) (raw)

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Papers by Elzbieta Szeląg-Wasielewska

Research paper thumbnail of XXXI Kongres Międzynarodowego Towarzystwa Limnologicznego - SIL (Kapsztad, RPA, 15-20 sierpnia 2010 r.)

Wiadomości Ekologiczne, 2011

Research paper thumbnail of Phytoplankton structure of two small lakes - changes after a decade

Oceanological and Hydrobiological Studies, 2007

... In turn, the negligible contribution of picocyanobacteria to phytoplankton biomass in Lake Mo... more ... In turn, the negligible contribution of picocyanobacteria to phytoplankton biomass in Lake Modre is probably due to its increased trophic ... is consistent with the report by Weisse and Mindl (2002), who found that picocyanobacteria are highly sensitive bioindicators of contaminant ...

Research paper thumbnail of Struktura wielkosciowa fitoplanktonu trzech jezior Wigierskiego Parku Narodowego

Fragmenta Floristica et Geobotanica. Series:Polonica, 1996

Research paper thumbnail of Biomineralizacja a jakość i trofia wód powierzchniowych

Research paper thumbnail of Ocena jakości wód różnych typów zbiorników wodnych w oparciu o grupy funkcjonalne fitoplanktonu

Research paper thumbnail of Phytoplankton in the littoral and pelagial of the Lake Miedwie

Verhandlungen, Sep 1, 1993

Research paper thumbnail of Cyanobacteria in a slightly eutrophic lake: seasonal fluctuations and contribution to total phytoplankton

Oceanological and Hydrobiological Studies, 2005

Research paper thumbnail of Picoplankton and other size groups of phytoplankton in various shallow lakes

Research paper thumbnail of Distribution of pelagic autotrophic picoplankton in a meromictic lake (Lake Czarne, Poland)

Tous droits réservés © Revue des sciences de l'eau, 2005 Ce document est protégé par la loi sur l... more Tous droits réservés © Revue des sciences de l'eau, 2005 Ce document est protégé par la loi sur le droit d'auteur. L'utilisation des services d'Érudit (y compris la reproduction) est assujettie à sa politique d'utilisation que vous pouvez consulter en ligne.

Research paper thumbnail of Occurrence of picocyanobacteria during a permanent desmid bloom in a small dystrophic lake

Oceanological and Hydrobiological Studies, 2005

Research paper thumbnail of Autotrophic picoplankton during summer phytoplankton development: diel abundance and productivity

Verhandlungen, Oct 1, 2002

Research paper thumbnail of Autotroficzny pikoplankton w zbiornikach wodnych zachodniej Polski: wystepowanie, struktura i znaczenie w mikrobiologicznej sieci troficznej. Podsumowanie dotychczasowych badan

Seria Biologiczna. Uniwersytet im. Adama Mickiewicza w Poznaniu, 2008

Research paper thumbnail of Seasonal changes in the structure of the community of phototrophs in a small mid-forest lake

Teka Komisji Ochrony i Kształtowania Środowiska Przyrodniczego, 2006

In a small, mid-forest Lake Kociolek, located in the Wielkopolska National Park (west Poland), ph... more In a small, mid-forest Lake Kociolek, located in the Wielkopolska National Park (west Poland), phytoplankton diversity, abundance and biomass were studied from March till November 2003. Special attention was paid to picoplankton. Green algae were the most diverse, as they accounted for nearly 50% of all recorded phytoplanktonic species, while picocyanobacteria were the most abundant. The biomass of phototrophs, measured as chlorophyll a concentration, ranged from 1.1 to 17.4 μg l (mean 5.9 μg l). The mean contribution of picoplankton to the total biomass of phytoplankton was high, as it reached 32%.

Research paper thumbnail of The smallest phototrophic organisms in a lowland river: comparison with other components of the phytoseston

Oceanological and Hydrobiological Studies, 2004

Research paper thumbnail of Trophic status of lake water evaluated using phytoplankton community structure - change after two decades

Polish Journal of Environmental Studies, 2006

Phytoplankton composition and biomass were studied in a small suburban lake within the city of Po... more Phytoplankton composition and biomass were studied in a small suburban lake within the city of Poznań (western Poland) on the basis of water samples taken in epilimnion. Results obtained in 1999 were compared with the first study period, of 1978. In the first period, 100 phytoplankton taxa were found and diatoms were the largest group of species (29% of all taxa), while in the second period 117 phytoplankton taxa were recorded and green algae dominated (50%). The mean phytoplankton biomass increased nearly 2-fold over the two decades and the trophic state index was higher in 1999. Picophytoplankton, whose seasonal fluctuations were analyzed only in 1999, accounted for 0.6% to 31.5% (mean 12.8%) of total phytoplankton biomass.

Research paper thumbnail of Le phytoplancton d'un lac et d'un reservoir d'accumulation situés dans le cours d'une même rivière

Verhandlungen, Mar 1, 1991

Research paper thumbnail of Biocénose pélagique du lac oligomésotrophe de Poméranie (Pologne) : étude des communautés de la boucle mocrobienne et du pytoplancton

Journal of Water Science, Apr 12, 2005

This study présents results of investigations on abundance and biomass of the main communities of... more This study présents results of investigations on abundance and biomass of the main communities of the microbial loop (heterotrophic bacteria, autotrophic picoplankton, heterotrophic flagellâtes, ciliated protozoa) as well as nanoand microalgae in the large (525 ha) and deep (48 m) oligo-mesotrophic lake Bobiçcinskie Wielkie located in West Pomerania, Poland. Samples were taken from the pelagial zone in 1996. Within organisms of picoplankton size the heterotrophic bacteria were the most abundant trophic group. Their biomass, together with the much lower abundant autotrophic picoplankton (3.5 to 5.4 ug-C-L"" 1), constituted 15% to 22% of the total microbial biomass. The sum of biomasses of heterotrophic flagellâtes and ciliated protozoa was similar at ail depth (3.0-3.8 ug-C-L" 1), ranging between 8-24% of total biomass. Phytoplankton organisms larger than 2.0 um represented the biggest part of the total microbial biomass, Le. from 50% to 78% (8.4-27.5 ug-C-L-1). The microplankton constitutes the largest part of the phytoplanktonic biomass. Whereas the diatoms and cryptomonads were the most abundant in the upper layers of the lake. The filamentous cyanobacteria of the genus Planktothrix dominated in the deeper waters.

Research paper thumbnail of Diversity and seasonal population changes of green algae in the plankton of the Warta River

Research paper thumbnail of Mass development of phytoplankton in the Warta River in Poznań in 21st century

Research paper thumbnail of Assessment of water quality of the Warta river based on phytoplankton indicators

Research paper thumbnail of XXXI Kongres Międzynarodowego Towarzystwa Limnologicznego - SIL (Kapsztad, RPA, 15-20 sierpnia 2010 r.)

Wiadomości Ekologiczne, 2011

Research paper thumbnail of Phytoplankton structure of two small lakes - changes after a decade

Oceanological and Hydrobiological Studies, 2007

... In turn, the negligible contribution of picocyanobacteria to phytoplankton biomass in Lake Mo... more ... In turn, the negligible contribution of picocyanobacteria to phytoplankton biomass in Lake Modre is probably due to its increased trophic ... is consistent with the report by Weisse and Mindl (2002), who found that picocyanobacteria are highly sensitive bioindicators of contaminant ...

Research paper thumbnail of Struktura wielkosciowa fitoplanktonu trzech jezior Wigierskiego Parku Narodowego

Fragmenta Floristica et Geobotanica. Series:Polonica, 1996

Research paper thumbnail of Biomineralizacja a jakość i trofia wód powierzchniowych

Research paper thumbnail of Ocena jakości wód różnych typów zbiorników wodnych w oparciu o grupy funkcjonalne fitoplanktonu

Research paper thumbnail of Phytoplankton in the littoral and pelagial of the Lake Miedwie

Verhandlungen, Sep 1, 1993

Research paper thumbnail of Cyanobacteria in a slightly eutrophic lake: seasonal fluctuations and contribution to total phytoplankton

Oceanological and Hydrobiological Studies, 2005

Research paper thumbnail of Picoplankton and other size groups of phytoplankton in various shallow lakes

Research paper thumbnail of Distribution of pelagic autotrophic picoplankton in a meromictic lake (Lake Czarne, Poland)

Tous droits réservés © Revue des sciences de l'eau, 2005 Ce document est protégé par la loi sur l... more Tous droits réservés © Revue des sciences de l'eau, 2005 Ce document est protégé par la loi sur le droit d'auteur. L'utilisation des services d'Érudit (y compris la reproduction) est assujettie à sa politique d'utilisation que vous pouvez consulter en ligne.

Research paper thumbnail of Occurrence of picocyanobacteria during a permanent desmid bloom in a small dystrophic lake

Oceanological and Hydrobiological Studies, 2005

Research paper thumbnail of Autotrophic picoplankton during summer phytoplankton development: diel abundance and productivity

Verhandlungen, Oct 1, 2002

Research paper thumbnail of Autotroficzny pikoplankton w zbiornikach wodnych zachodniej Polski: wystepowanie, struktura i znaczenie w mikrobiologicznej sieci troficznej. Podsumowanie dotychczasowych badan

Seria Biologiczna. Uniwersytet im. Adama Mickiewicza w Poznaniu, 2008

Research paper thumbnail of Seasonal changes in the structure of the community of phototrophs in a small mid-forest lake

Teka Komisji Ochrony i Kształtowania Środowiska Przyrodniczego, 2006

In a small, mid-forest Lake Kociolek, located in the Wielkopolska National Park (west Poland), ph... more In a small, mid-forest Lake Kociolek, located in the Wielkopolska National Park (west Poland), phytoplankton diversity, abundance and biomass were studied from March till November 2003. Special attention was paid to picoplankton. Green algae were the most diverse, as they accounted for nearly 50% of all recorded phytoplanktonic species, while picocyanobacteria were the most abundant. The biomass of phototrophs, measured as chlorophyll a concentration, ranged from 1.1 to 17.4 μg l (mean 5.9 μg l). The mean contribution of picoplankton to the total biomass of phytoplankton was high, as it reached 32%.

Research paper thumbnail of The smallest phototrophic organisms in a lowland river: comparison with other components of the phytoseston

Oceanological and Hydrobiological Studies, 2004

Research paper thumbnail of Trophic status of lake water evaluated using phytoplankton community structure - change after two decades

Polish Journal of Environmental Studies, 2006

Phytoplankton composition and biomass were studied in a small suburban lake within the city of Po... more Phytoplankton composition and biomass were studied in a small suburban lake within the city of Poznań (western Poland) on the basis of water samples taken in epilimnion. Results obtained in 1999 were compared with the first study period, of 1978. In the first period, 100 phytoplankton taxa were found and diatoms were the largest group of species (29% of all taxa), while in the second period 117 phytoplankton taxa were recorded and green algae dominated (50%). The mean phytoplankton biomass increased nearly 2-fold over the two decades and the trophic state index was higher in 1999. Picophytoplankton, whose seasonal fluctuations were analyzed only in 1999, accounted for 0.6% to 31.5% (mean 12.8%) of total phytoplankton biomass.

Research paper thumbnail of Le phytoplancton d'un lac et d'un reservoir d'accumulation situés dans le cours d'une même rivière

Verhandlungen, Mar 1, 1991

Research paper thumbnail of Biocénose pélagique du lac oligomésotrophe de Poméranie (Pologne) : étude des communautés de la boucle mocrobienne et du pytoplancton

Journal of Water Science, Apr 12, 2005

This study présents results of investigations on abundance and biomass of the main communities of... more This study présents results of investigations on abundance and biomass of the main communities of the microbial loop (heterotrophic bacteria, autotrophic picoplankton, heterotrophic flagellâtes, ciliated protozoa) as well as nanoand microalgae in the large (525 ha) and deep (48 m) oligo-mesotrophic lake Bobiçcinskie Wielkie located in West Pomerania, Poland. Samples were taken from the pelagial zone in 1996. Within organisms of picoplankton size the heterotrophic bacteria were the most abundant trophic group. Their biomass, together with the much lower abundant autotrophic picoplankton (3.5 to 5.4 ug-C-L"" 1), constituted 15% to 22% of the total microbial biomass. The sum of biomasses of heterotrophic flagellâtes and ciliated protozoa was similar at ail depth (3.0-3.8 ug-C-L" 1), ranging between 8-24% of total biomass. Phytoplankton organisms larger than 2.0 um represented the biggest part of the total microbial biomass, Le. from 50% to 78% (8.4-27.5 ug-C-L-1). The microplankton constitutes the largest part of the phytoplanktonic biomass. Whereas the diatoms and cryptomonads were the most abundant in the upper layers of the lake. The filamentous cyanobacteria of the genus Planktothrix dominated in the deeper waters.

Research paper thumbnail of Diversity and seasonal population changes of green algae in the plankton of the Warta River

Research paper thumbnail of Mass development of phytoplankton in the Warta River in Poznań in 21st century

Research paper thumbnail of Assessment of water quality of the Warta river based on phytoplankton indicators