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Hydrobiological Journal
SJR: 0.227 SNIP: 0.901 CiteScore™: 0.5

ISSN Print: 0018-8166
ISSN Online: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v39.i2.10
9 pages

Reaction of the Biota of Mountain Rivers to Volley Pollution Releases

S. A. Afanasyev
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine

ABSTRACT

Investigations were carried out during 1999 and 2000 on Transcarpathian rivers affected by the massive "volley" pollution accidents. Plankton response was manifested in increasing of plankton flow; the response of benthic organisms appeared as increasing of the macroinvertebrate drift. The drift caused by catastrophic pollution events reduced survival chances of hydrobionts and aggravated adverse consequences of pollution impact on the biotic structure in mountain river. Fish mainly try to avoid influence of pollution and, if such possibility occurs, to escape to clean waters of tributaries.


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