Collection of ecological data for tasks in the field of landscape culture
Edition 2024-06

Algae and algae products - Identification of the biomass of microalgae, macroalgae, cyanobacteria and Labyrithulomycetes - Detection and identification with morphological and/or molecular methods; German version EN 17477:2021
Edition 2021-10

Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique); German version EN 15204:2006
Edition 2006-12

Haematology - Control material for the CBC - Part 1: Control bloods
Edition 1997-12

Water quality - Guidance on analysis of mesozooplankton from marine and brackish waters; German version EN 17204:2019
Edition 2020-09

Water quality - Guidance on mapping of seagrasses and macroalgae in the eulittoral zone; German version EN 17211:2019
Edition 2020-11

Water quality - Guidance on marine biological surveys of hard-substrate communities (ISO 19493:2007); German version EN ISO 19493:2007
Edition 2007-09

Water quality - Guidance for the surveying of aquatic macrophytes in running waters; German version EN 14184:2014
Edition 2014-08

Mine plans - Graphic design of sheets
Edition 2019-05

Water quality - Guidelines for quantitative sampling and sample processing of marine soft-bottom macrofauna (ISO 16665:2014); German version EN ISO 16665:2013
Edition 2014-06