1. CEN TC 230 WG2 “Biological Methods” Work Programme October 2008

2. Invertebrates (Convenor – Paul Logan) Design of Multimetric Indices ENV Technical Report Pro-rata Multi-Habitat Sampling of benthic invertebrates from wadeable river Field and laboratory procedures Selection of sampling methods and devices for benthic macroinvertebrates in fresh waters (ISO)

3. Macrophytes & Algae (Convenor Dr Arnold Veen) Phytoplankton biovolume determination by microscopic measurement of cell dimensions Quantitative and qualitative sampling of phytoplankton from inland waters Surveying, sampling and laboratory analysis of phytobenthos in shallow running water European Macrophyte List

4. Fish ( Convenor Prof. Goran Dave) Estimation of fish abundance with mobile hydroacoustic methods Seine netting methodology for quantitative sampling of fish

5. Water Body Characteristics (Convenor Prof Phil Boon) Determining the degree of modification of river hydromorphology Assessing the hydromorphological features of lakes and reservoirs Hydromorphology of estuaries

6. Quality Assurance (Convenor Prof Georg Janauer) Design and analysis of interlaboratory comparison studies for ecological assessment Selection and design of taxonomic keys Performance characteristics in aquatic ecological methods

7. Marine (Convenor Dr Sabine Cochrane) Quantitative and qualitative investigation of marine phytoplankton Estimation of chlorophyll a using in vivo fluorometry and photometry Survey of marine macroalgae opportunistic macroalgae and rocky shore macroalgae

8. CEN Mandate Projects Phytoplankton biovolume determination by microscopic measurement of cell dimensions Quantitative and qualitative sampling of phytoplankton from inland waters Estimation of fish abundance with mobile hydroacoustic methods Coordinator www.cen.eu/cenorm - October/November workshops with Ecostat experts