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Lake Ladoga is the largest lake in Europe and, with its surface of
17,891 km2 and volume of 837 km3, it ranks among the top fifteen of
the world's freshwater bodies. The ecological condition of Lake
Ladoga is of concern to several million people living in its
surroundings. There is evidence of water quality degradation and
gradual eutrophication of the lake during the past decades; on the
other hand, pollution control measures have improved the situation
in many of the most polluted sites near industrial effluent
sources. The first international Lake Ladoga Symposium was held in
St. Petersburg on 22-26 November, 1993. The symposium was attended
by 160 scientists, and about half of the papers presented at the
symposium have been edited for this book. The contributions are
grouped under the following headings: Present state of Lake Ladoga;
Hydrodynamics of Lake Ladoga and other large water bodies; Water
quality and pollution; Ecological studies of Lake Ladoga biota;
History of Lake Ladoga and rates of change in its environment;
Research methods for large lakes. Besides providing up-to-date
information on the state of the lake, the papers deal with studies
of many other large lakes of the cold-temperature zone and the
general problems and methods of large lake research. Furthermore,
the book is a valuable source of reference to the voluminous
Russian limnological literature.
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