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  1. 2 Oceanological Studies

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  1. 1 1998

  2. 1 1996

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  1. 2 Wrzolek L.

  2. 1 Niemkiewicz E.

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1

Phytoplankton of the Gdansk Basin in 1979-1993

100%
Wrzolek L.
|
|
issue 1-2
87-100
EN
In the studies on phytoplankton done within the framework of the biological monitoring of the Baltic Sea in 1979-1993 significant changes were found in the dominance structure though not the species composition.The previously dominant phyla Chrysophyta and Cyanophyta have been replacement by Pyrrophyta and Flagellata.No long-term trends in abundance and biomass of phytoplankton or in chlorophyll a concentration could be detected.
2

Phytoplankton as eutrophication indicator in the Gulf of Gdansk water

63%
Niemkiewicz E., Wrzolek L.
Oceanological Studies
|
1998
|
vol. 27
|
issue 4
77-92
EN
The present survey presents the results of phytoplankton number and biomass measurements and also chlorophyll a contents in marine water. The investigations were started in autumn1994 and continued in summer 1995 along six coastal profiles in the Gulf of Gda?sk. The paper provides the current condition of the phytoplankton - the first link in the food chain in a water body biocenosis. The research confirmed also the early 80s findings as to the changed structure of phytoplankton domination where flagellates dominated in terms of number and dinoflagellates - in terms of biomass.
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