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BS EN ISO 23611-4:2022

BS EN ISO 23611-4:2022

$167.15

Soil quality. Sampling of soil invertebrates – Sampling, extraction and identification of soil-inhabiting nematodes

Published By Publication Date Number of Pages
BSI 2022 40
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This document specifies a method for sampling and handling free-living nematodes from terrestrial field soils as a prerequisite for using them as bio-indicators (e.g. to assess the quality of a soil as a habitat for organisms). This document applies to all terrestrial biotopes in which nematodes occur. The sampling design of field studies in general is specified in ISO 18400-101. This document is not applicable to aquatic nematodes because of differences in the sample matrix (e.g. water column). Methods for some other soil organism groups such as earthworms, collembolans enchytraeids or macro-invertebrates are covered in ISO 23611-1, ISO 23611-2, ISO 23611-3 and ISO 23611-5. This document does not cover the pedological characterization of the site which is highly recommendable when sampling soil invertebrates. ISO 10390, ISO 10694, ISO 11272, ISO 11274, ISO 11277, ISO 11461 and ISO 11465 include suitable procedures for measuring pH, particle size distribution, C/N ratio, organic carbon content and water-holding capacity.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 European foreword
Endorsement notice
9 Foreword
10 Introduction
12 1 Scope
2 Normative references
3 Terms and definitions
13 4 Principle
14 5 Reagents
6 Apparatus
6.1 Sampling
15 6.2 Extraction
6.3 Counting
16 6.4 Fixation and preparation of mass slides
6.5 Identification
7 Procedure
7.1 General
7.2 Sampling
17 7.3 Extraction
18 7.4 Counting
19 7.5 Fixation and preparation of mass slides
7.6 Identification
8 Data assessment
20 9 Test report
22 Annex A (informative) Figures of equipment and methods for nematological research
25 Annex B (informative) Information about the availability of the Oostenbrink elutriator
28 Annex C (informative) Information about the Baermann funnel/tray extraction method
30 Annex D (informative) Examples of the use of soil invertebrates in soil monitoring programmes (including presentation of their results)
35 Bibliography

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BS EN ISO 23611-4:2022
$167.15