PREN 16859 : DRAFT 2015
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
WATER QUALITY - GUIDANCE STANDARD ON MONITORING FRESHWATER PEARL MUSSEL (MARGARITIFERA MARGARITIFERA) POPULATIONS AND THEIR ENVIRONMENT
01-02-2017
26-05-2015
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Data on the status and condition of Margaritifera
populations
5 Monitoring the environmental conditions needed to
support Margaritifera margaritifera
Populations
6 Information needed to assess plans or projects on
rivers with Margaritifera
Annex A (informative) - Background information on the
environmental characteristics to be monitored in
rivers with Margaritifera populations
Annex B (informative) - Targets for assessing whether
Margaritifera populations are in favourable condition
Annex C (informative) - Range of environmental conditions
supporting sustainable populations of Margaritifera
Bibliography
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