217 research outputs found
Impact of the Jeziorsko Dam Reservoir on phytoplankton in the middle Warta River course
Phytoplankton was investigated in two localities in the Warta
River located upstream and downstream of the Jeziorsko Dam Reservoir. Spring
and summer peaks of algal development, dominated by diatoms (Bacillariophyceae)
(66.7 to 81.0% of total phytoplankton abundance), were recorded. Green algae
(Chlorophyta) constituted 7.7 to 38.4% while blue-green algae (Cyanophyia) from
1.3 to 13.3% of total phytoplankton abundance. The percentages of other algal
groups were low. Correlations between the abundance of phytoplankton and
temperature, concentration of nitrate nigrogen and phosphorus in water were
determined. The occurrence of taxons abundantly inhabiting either both localities
or individually associated with only one of them was recorded.Zadanie pt. Digitalizacja i udostępnienie w Cyfrowym Repozytorium Uniwersytetu Łódzkiego kolekcji czasopism naukowych wydawanych przez Uniwersytet Łódzki nr 885/P-DUN/2014 zostało dofinansowane ze środków MNiSW w ramach działalności upowszechniającej naukę
Characterization of phytoplankton in the Sulejów Reservoir in 1991-1993
In 1991-1993 phytoplankton was investigated in the Sulejów
Reservoir. In spring and autumn two peaks and additionally in summer 1992 one
peak of development were noted, characterized by average biomass values of 8.1 to
33.4 mg dm^-3. In general, diatoms prevailed, mainly Stephanodiscus hantzschii Grun.
and Melosira granulta (Ehr.). When their numbers fell the dominants were plant
flagellates. The blue-green algae (Cyanophyta) were high only in several months in
summer and early autumn, their chief components being Microcystis aeruginosa
Kutz. and Aphanisomenon flos-aquae (L.) Ralfs. The seasonal dynamics of zooplankton
development was also observed and at the some time its feeding pressure on the
phytoplankton was the determined.Zadanie pt. Digitalizacja i udostępnienie w Cyfrowym Repozytorium Uniwersytetu Łódzkiego kolekcji czasopism naukowych wydawanych przez Uniwersytet Łódzki nr 885/P-DUN/2014 zostało dofinansowane ze środków MNiSW w ramach działalności upowszechniającej naukę
General Characterization of Phytoplankton in the Sulejów Reservoir in 1988-1990
In 1988-1990 phytoplankton was investigated in the Sulejów
Reservoir. Two developmental peaks were recorded: a spring and an autumn ones; each
of them was dominated by diatoms, which constituted 80.0 to 97.5% of total
phytoplankton abundance. In all months Siephanodiscus hantzschii Grun. was the
dominant species. The subdominants were phytoflagellates, whose intensive development
was observed in the period of a decrease in diatom abundance and a decline in
abundance in the period of zooplankton domination. Zooplankton was dominated by
Daphnia cucullata and Bosmina coregoni.Zadanie pt. „Digitalizacja i udostępnienie w Cyfrowym Repozytorium Uniwersytetu Łódzkiego kolekcji czasopism naukowych wydawanych przez Uniwersytet Łódzki” nr 885/P-DUN/2014 zostało dofinansowane ze środków MNiSW w ramach działalności upowszechniającej naukę
Phytoplankton communities in the Sulejów Reservoir in 1996—1997
The phytoplankton in the Sulejów Reservoir in 1996-1997 was dominant
in spring and autumn by diatoms. The cyanobacteria were high only in several months in
summer and early autumn. Biomass values was of 0.3 to 63.4 mg dm^˗3. The most abundant
were Stephanodiscus hantzschii (Grun.), Aulacoseira granulatu (Ehr.) Simonsen, Asterionella
formosa (Hass.), Cyclotella comta (Ehr.) Kutz of diatoms, Trachelomonas volvocina Ehr of
euglenids, Pediastrum boryanum (Turp.) Meenegh., Scenedesmus quadricauda (Turp.) Breb.
Staurastrum sp. of green algae and M¡crocLstis aeruginosa Kutz and Aphanisozomenon flos-aquae
(L.) Ralfs. of cyanobacteria. Corelations between the biomass of phytoplankton and temperature,
pH, concentration of nitrate nitrogen and phosphorus in water were determined.Zadanie pt. „Digitalizacja i udostępnienie w Cyfrowym Repozytorium Uniwersytetu Łódzkiego kolekcji czasopism naukowych wydawanych przez Uniwersytet Łódzki” nr 885/P-DUN/2014 zostało dofinansowane ze środków MNiSW w ramach działalności upowszechniającej naukę
ConsensusPathDB: toward a more complete picture of cell biology
ConsensusPathDB is a meta-database that integrates different types of functional interactions from heterogeneous interaction data resources. Physical protein interactions, metabolic and signaling reactions and gene regulatory interactions are integrated in a seamless functional association network that simultaneously describes multiple functional aspects of genes, proteins, complexes, metabolites, etc. With 155,432 human, 194,480 yeast and 13,648 mouse complex functional interactions (originating from 18 databases on human and eight databases on yeast and mouse interactions each), ConsensusPathDB currently constitutes the most comprehensive publicly available interaction repository for these species. The Web interface at http://cpdb.molgen.mpg.de offers different ways of utilizing these integrated interaction data, in particular with tools for visualization, analysis and interpretation of high-throughput expression data in the light of functional interactions and biological pathways
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