1. Ecostat Meeting, March 15/16 2006
Alpine GIG
Ecostat Meeting, March 15/

2. Introduction: Common Intercalibration Type: Alpine Rivers

3. River characterisation
Alpine GIG
Type
River characterisation DE AT FR IT ES SI
R-A1
Pre-alpine - Small to medium, high altitude calcareous X
R-A2
Alpine - Small to medium, high altitude, siliceous
Macroinvertebrates
ICM qual:
Total # taxa
# EPT taxa
# selected (sensitive) taxa
ASPT
ICM quant:
ASPTIberian - 2
Log 10 (sel_sens_taxa)
RETI
Total number of taxa
Number of EPT-taxa
Shannon-Wiener Diversity Index

4. ICMi: Minimum Quality Criteria
Introduction: PILOT STUDY: METHODS
ICMi: Minimum Quality Criteria
minimum : 20 sites covering widest range of quality classes
reference state compliant to the REFCOND guidance
Pearson R²: national index vs. ICMi: >=0.64 (at a=0,05)

5. Introduction: PILOT STUDY: METHODS
ICM: Yes, it works!

6. Introduction: PILOT STUDY: METHODS
ICM: Yes, it works!

7. Results R-A1: Boundaries at ICM-scale
Results: PILOT STUDY
Results R-A1: Boundaries at ICM-scale

8. Results: PILOT STUDY A1
Range = average boundary values +/- average CI

9. Results R-A1: Boundaries at ICM-scale
Results: PILOT STUDY
D / SLO: deviations due to:
Typology
Reference conditions
Methods
Italy
Results R-A1: Boundaries at ICM-scale

10. Typology A1 FR AT DE SI Number of sites 25 55 115 Altitude min 160 500FR AT DE SI
Number of sites   25 55
115
Altitude
min
160
500
320
180
max
1002
1140
992
940
median
395
632
611
555
mean
478
694
615
580
Catchment area 54
106 7 12
899
909
8800 94
299
210 31
355
292
571 32

11. Results R-A2: Boundaries at ICM-scale
Results: PILOT STUDY
Results R-A2: Boundaries at ICM-scale

12. Results R-A2: Boundaries at ICM-scale
Results: PILOT STUDY
Results R-A2: Boundaries at ICM-scale

13. Results: PILOT STUDY A2
Range = average boundary values +/- average CI