This European Standard gives guidance on procedures for the pro rata Multi-Habitat-Sampling (MHS) of benthic macro invertebrates in wadeable rivers and streams. The term ""pro-rata"" reflects the intention to sample adequate proportions of riverine habita
DS/EN 16150:2012 history
2012DS/EN 16150:2012 Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers