Contamination Of The Caspian Sea Ecosystem With Organic Pollutants
Author(s)
A. T. Lebedev, 0 . V. Poliakova, M. N. Repina & N. S. Sokolov
Abstract
Contamination of the Caspian Sea ecosystem
with organic pollutants
A. T. Lebedev, 0. V. Poliakova, M. N. Repina &
N. S. Sokolov
Moscow State M. KLomonosov University,
Organic Chemistry Department,
I19899 Moscow, Russia.
Abstract
The Caspian Sea is known to be the largest inland reservoir of salted water in the
world. The square of the sea is 378000 lud. However there were no reliable
studies of its contamination during 15 years. Our preliminary study [l] showed
that the levels of organochlorines in biota seriously decreased. Seventy-one
samples of sediments were collected in October 2001 in the North part of the sea.
US EPA method 8270 was used to analyze organic pollutants in the samples.
Although the presence of all types of hazardous chemicals was checked,
petroleum hydrocarbons and sulfur were the major ingredients. Since the amount
of data was too large geo-informational approach was used for the development
of the ecological maps of the Sea. The elaborated maps allowed to identify the
Keywords
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