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Phytobenthos as an indicator of the state of environment of the Gulf of Gdańsk

Kruk-Dowgiałło L.

Oceanological Studies

1998

Vol. 27, No. 4

105-121

Results of investigations carried out in June 1995 at the same stations as in June 1992 are presented. Only small differences in species composition, biomass and the range of phytobenthos occurrence were observed. Obtained results confirmed that the trends of phytobenthos changes in the Gulf of Gdańsk are similar to those in inner Puck Bay, i.e. the existing predomination of brown algae of the Ecto-carpus and Pilayella genera and a decrease of the area of underwater meadows. However, in spite of these changes there still exist natural phytobenthos stands in the Gulf. Therefore, active protection measures will create potential possibilities of reviving the phytocenoses of the Gulf of Gdańsk.