Paleoecological changes of the Vistula Lagoon in the last 7,000 YBP based on diatom flora

• Autorzy: Jankowska D. , Witak M. , Huszczo D.
• Języki publikacji: EN

Abstrakty

EN

Fossil and subfossil diatom flora were analyzed in four sediment cores (ZW 1, ZW 4, ZW 11, ZW 15) taken from the Vistula Lagoon. The aim of the study was to reconstruct environmental changes in the Holocene with an emphasis on the relationship with paleoecological stages of the Baltic Sea. Results of the diatom study supported by lithological analyses indicate that the development of the Vistula Lagoon took place under changing environmental conditions. The basin was formed in the Late Atlantic chronozone and was indirectly connected with the Littorina Sea transgression. The basin became shallower and its waters fresh in the Subboreal period. Due to the last marine transgression linked with the Post-Littorina Sea in the Subatlantic chronozone, slightly higher salinity was observed in the diatom record. Moreover, the effects of eutrophication are recorded in the subfossil diatom flora preserved in sediments from the southwestern part of the lagoon. Additionally, the results of the discontinuation of the Nogat River inflow in 1915 are noted in the superficial sediments.

Słowa kluczowe

EN

Vistula Lagoon; Holocene; diatoms; paleoecology; environmental changes

• Wydawca: Institute of Oceanography University of Gdańsk
• Czasopismo: Oceanological and Hydrobiological Studies
• Rocznik: 2005
• Tom: Vol. 34, No.4
• Strony: 109--129
• Opis fizyczny: Bibliogr. 27 poz., tab., wykr.

Twórcy

autor

Jankowska D.

• Institute of Oceanography, University of Gdańsk, Al. Piłsudskiego 46, 81-378 Gdynia, Poland

autor

Witak M.

• Institute of Oceanography, University of Gdańsk, Al. Piłsudskiego 46, 81-378 Gdynia, Poland

autor

Huszczo D.

• Institute of Oceanography, University of Gdańsk, Al. Piłsudskiego 46, 81-378 Gdynia, Poland

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