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A study of the effec of the Oder estuary on contamination of the Baltic waters with oil

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Kirkiewicz J.

Oceanological Studies

1994

issue 66/7

157-166

Basing on the literature, the sources of the contamination of the Baltic Sea waters with oil are presented.The spectral method of measuring the content of pertoleum products in water is described.The autor also presents the effect of the Oder estuary on contamination of the Baltic with oil on the basis of his own research.

Mortality of aquatic birds in the Gulf of Gdansk as a result of oil pollution

100%

Meissner W.

Oceanological Studies

1996

vol. 25

issue 1-2

151-157

Poland is one of the few countries around the Baltic Sea where the mortality of aquatic birds due to oil pollution has been monitored since the 1960s.The most comprehensive data has been gathered in the Gulf of Gdansk region.During the sixties and seventies Polish coastal waters were permanently comtaminated by numerous though relatively small leaks from port installations, ships and fishing cutters.The density of dead, oiled birds was then high and ranged from 3-5 individuals per km.The 1980s witnessed a rapid decline in the number of oiled birds, owing probably to the tightening of puntative measures against the perpetrators of marine pollution, and to the recession, which also affected the maritime economy.Furthermore, the source of contamination had moved, a fact endorsed by the species composition of the dead birds recovered.At present, far fewer patroleum-based contaminants enter to open sea; the major sources of such pollution are now to be found on the coast.

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2 Oceanological Studies

1 1996

1 1994

1 Kirkiewicz J.

1 Meissner W.

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A study of the effec of the Oder estuary on contamination of the Baltic waters with oil

Mortality of aquatic birds in the Gulf of Gdansk as a result of oil pollution