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EVS-EN 15196:2006

Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment

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Kehtiv alates 06.10.2006
Alusdokumendid
EN 15196:2006
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puuduvad

Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
06.10.2006
Põhitekst
This guidance standard specifies equipment and procedures for collecting floating pupal exuviae of Chironomidae from aquatic habitats; rivers from source to estuary, canals, ponds, lakes and sea coasts. Guidance in preparing specimens for subsequent identification is provided. These samples provide representative data on relative species abundance, suitable for numerical analysis, classification and monitoring of environmental conditions.

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