1. Central Rivers Geographical Intercalibration Group
Tuesday 6th July 2004

2. Meetings Combined Central Lakes and Rivers - Brussels - April 20th
Central Rivers GIG - yesterday
JRc, Italy, Germany, Netherlands, Austria, Poland, Latvia, Estonia, Spain, Ireland, UK
9 Member States not present (Belgium, Czech Republic, Denmark, France, Lithuania, Luxemburg, Slovenia, Slovakia, Sweden)
Next meeting in September - Milan

3. Yesterday
Guidance update
Alpine GIG approach
STAR
UK proposal

4. Recommendations for Comparison with Rivers Central GIG
Organic/nutrients pressure
Macroinvertebrates - quality element
Family level data
Minimum number of types with maximum Member State input

5. Use of a Pilot Maximise the understanding from STAR
data from Poland, Italy, France, UK, Germany, Spain, Latvia
Decide on Option 2 / 3 / Hybrid dependent on STAR output
Consider the use of the Benchmark Dataset

6. Data Acquisition and Common Metrics
Complete table of IC types in RCGIG Member States
Collate data on Macroinvertebrates using AQEM format across range of pressure
Calculate metrics using AQEM software
link to normative definitions (tolerance, richness, diversity etc.)

7. Using the Boundary Setting Protocol
Iterative and interactive
Provide information on Reference Conditions
Develop understanding of pressure gradient through AQEM data input
Benchmark data set?

8. Steering Group Jean-Gabriel Wasson (France) Volkhard Herbst (Germany)
Paul Logan (UK)
Wouter van de Bund (JRc)
STAR representative