Assessment of the rate of change of the biocenosis of the inner Puck Bay

• Autorzy: Dubrawski R. , Kruk-Dowgiałło L.
• Języki publikacji: EN

Abstrakty

EN

For decades, the biocenosis of the inner Puck Bay has been undergoing transformation, which probably at the break of the 60ties and 70ties took an ecologically disadvantageous turn. The negative processes which appeared at that time resulted both from eutrophication and anthropopression. Withdrawal of many animal and plant species was observed. The freed ecological niches were taken up by species which formerly appeared in small numbers. Significant changes of the biocenosis structure took place. In this paper, basing on the formula for the half-period of change, the rate of change of selected components of the ecological formations is calculated. Obtained results may allow to evaluate the processes disrupting the structure of biocenosis under the influence of long term eutrophication and anthropopression.

Słowa kluczowe

EN

Puck Bay; biocenosis

• Wydawca: Instytut Morski w Gdańsku
• Czasopismo: Biuletyn Instytutu Morskiego w Gdańsku
• Rocznik: 1998
• Tom: Vol. 25, No. 2
• Strony: 55--70
• Opis fizyczny: Bibliogr. 32 poz., rys., tab.

Twórcy

autor

Dubrawski R.

• Department of Maritime Hydrotechnics Institute, Gdańsk, Poland Biology Centre, PAS, Gdynia, Poland

autor

Kruk-Dowgiałło L.

• Marine Biology Centre, PAS, Gdynia, Poland

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