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<p>Studies on the influence of a perennial cormorant colony on chemical and microbial pollution of a reservoir were conducted in Chrzypskie Lake. During the investigation carried out between 2009–2010 in the area of the colony, 155–175 breeding pairs were observed. High pollution of groundwater with biogenic elements and coliform bacteria (together with E. coli) was recorded within the boundaries of the colony. Pollutants migrated to the lake together with groundwater. Mean values of the analyzed forms of biogenic elements and bacteria formed a gradient from the highest values recorded near the colony to the lowest ones recorded in the central part of the lake.</p>
</abstract>

Studies on the influence of a perennial cormorant colony on chemical and microbial pollution of a reservoir were conducted in Chrzypskie Lake. During the investigation carried out between 2009–2010 in the area of the colony, 155–175 breeding pairs were observed. High pollution of groundwater with biogenic elements and coliform bacteria (together with E. coli) was recorded within the boundaries of the colony. Pollutants migrated to the lake together with groundwater. Mean values of the analyzed forms of biogenic elements and bacteria formed a gradient from the highest values recorded near the colony to the lowest ones recorded in the central part of the lake.

May a cormorant colony be a source of coliform and chemical pollution in a lake?

Oceanological and Hydrobiological Studies

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"May a cormorant colony be a source of coliform and chemical pollution in a lake?"}

Studies on the influence of a perennial cormorant colony on chemical and microbial pollution of a reservoir were conducted in Chrzypskie Lake. During the...

May a cormorant colony be a source of coliform and chemical pollution in a lake?

Published Online: Dec 27, 2011

Page range: 67 - 73

DOI: https://doi.org/10.2478/s13545-012-0008-0

Keywords
black cormorant, nitrogen, phosphorus, E. coli bacteria

© 2012 Faculty of Oceanography and Geography, University of Gdańsk, Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

May a cormorant colony be a source of coliform and chemical pollution in a lake?

Published Online: Dec 27, 2011

Page range: 67 - 73

DOI: https://doi.org/10.2478/s13545-012-0008-0

Keywordsblack cormorant, nitrogen, phosphorus, E. coli bacteria

© 2012 Faculty of Oceanography and Geography, University of Gdańsk, Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
black cormorant, nitrogen, phosphorus, E. coli bacteria