DIN EN ISO 8689-2-2000 水质.江河的生物分类.第2部分:对底栖微型无脊椎动物调查的生物质量数据的表示方法指南
Water quality - Biological classification of rivers - Part 2: Guidance on the presentation of biological quality data from surveys of benthic macroinvertebrates (ISO 8689-2:2000); German version EN ISO 8689-2:2000
The document describes a guide-line for the presentation of the results of biological analysis using benthic macroinvertebrates for the assessment of the quality of running waters. There are given determinations for the graph of running waters in a water map and for the coloured identification of water sections relating to their quality.