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

Introduction: Common Intercalibration Type: Alpine Rivers

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

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)

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

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

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

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

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

Typology A1 FR AT DE SI Number of sites 25 55 115 Altitude min 160 500   FR 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

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

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

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