Investigation of three wastewaters entering Izmit Bay (Turkey) by means of batch and chemostat culture algal bioassays

The bay of Ízmit is the focus of much of Turkey's industrial development and three of the most important of the wastes discharged into its surface waters have been studied as a necessary step in minimising their environmental impact. Gas chromatography/mass spectrometry of the extracted wastes...

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Bibliographic Details
Published in:Marine environmental research 1998-07, Vol.46 (1), p.283-288
Main Authors: Okay, O.S., Egesel, L., Tüfekçi, V., Morkoç, E., Gaines, A.
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
Ecotoxicology, biological effects of pollution
Fundamental and applied biological sciences. Psychology
Marine
Marine and brackish environment
Phaeodactylum tricornutum
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Summary:The bay of Ízmit is the focus of much of Turkey's industrial development and three of the most important of the wastes discharged into its surface waters have been studied as a necessary step in minimising their environmental impact. Gas chromatography/mass spectrometry of the extracted wastes revealed the presence of organic xenobiotics listed as priority pollutants. Nevertheless, measurements of cell populations, chlorophyll fluorescence and the consumption of nutrients demonstrated that most of the wastes stimulated the growth of both batch and chemostat cultures of Phaeodactylum tricornutum (Bohlin). Experiments showed the growth of the cultures to be phosphate limited and it appears that the major effect of the wastes was due to their excessive loading of phosphate.
ISSN:0141-1136
1879-0291
DOI:10.1016/S0141-1136(97)00115-3