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Recommendations for valuation of toxicity of aquatic habitat for fishes (1999).

País/Territorio
Federación de Russia
Tipo de documento
Reglamento
Fecha
1999
Fuente
FAO, FAOLEX
Materia
Pesca, Agua
Palabra clave
Enfermedades de los peces Investigación Sanidad animal Contaminación de las aguas dulces Control de la contaminación
Área geográphica
Ártico, Asia y Pacifico, Mar Negro, Mar Caspio, CEI (Comunidad de Estados Independientes), Europa Oriental, Europa, Europa y Central Asia, Pacífico Norte, Pacífico Nordoeste
Entry into force notes
Entry into force from the date of issue.
Resumen

The present Regulation sets forth general methods of diagnostics of intoxication of fishes by the main groups of toxic substances in accordance with special methods of diagnostics and chemical analysis of determination of single toxicants. Manifestation of intoxication of fishes happens in case of combination of the following factors: 1. presence of the source of pollution and toxic components in sewage; 2. presence of their determined concentration (dose) and duration of impact; 3. accompanying ecological factors and reduction of the resistance of the organism. In case of death of fish with suspicion of intoxication complex diagnostics must be carried out in accordance with the following scheme: 1. study of water basin and exposure of the source of pollution; 2. clinical and pathological and anatomical study of fishes; 3. biological and organoleptic study; 4. laboratory research.

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