BS EN ISO 9391:1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Water quality. Sampling in deep water for macro-invertebrates. Guidance on the use of colonization, qualitative and quantitative samplers
Hardcopy , PDF
31-07-2012
English
15-03-1995
Cooperating organizations
National foreword
Foreword
Introduction
Guide
1. Scope
2. Normative references
3. Definitions
4. Colonization samplers
5. Other deep water samplers
Annexes
A. (normative) Summary of the qualitative and
quantitative samplers that are suitable for
different types of substrata in deep rivers
B. (normative) Recommended net mesh sizes
ZA. (normative) Normative references to inter-
national publications with their relevant
European publications
Figures
1. Standard colonization unit
2. Naturalist's dredge
3. Birge - Ekman grab
4. Ponar grab
5. FBA air-lift sampler
6. Minimum air-flow requirements to lift stones
less than or equal to 18 mm long
7. Minimum air-flow requirements to lift stones
greater that 18 mm long
National annexes
NA. (informative) Committees responsible
NB. (informative) Cross-references
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