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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimir: 0018-8166
ISSN On-line: 1943-5991

Volumes:
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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v34.i2-3.210
pages 186-194

Specific Features of Respiration in Gammarus in Weak Pesticide Solutions

A. P. Garbalau
Moldova National Institute of Ecology, Chisinau, Moldova
I. I. Dediu
Moldova National Institute of Ecology, Chisinau, Moldova

RESUMO

The intensity of oxygen consumption by freshwater shrimp Gammarus kischineffensis Schell. at low concentrations of pesticides (phosalone, phosphamide, metaphos, lindane, and simasene) was studied. Analysis of the dependence of this parameter on the exposition time (1−6 h) and pesticide concentration (1−600 maximum permissible doses) revealed one or two phases of respiration activation, which were considered as a typical defense reaction of Gammarus. An association between the maximum induced intensity of respiration, corresponding pesticide concentration, and pesticide toxicity was revealed.


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