Table 4.
Distribution of sites (N = 9330) within ecoregions and river types
| Ecoregion (Nr.) | A-Headwater | B-Downstream | C-Greyling | D-Salmon | E-Mediterranean | F-Lowland | Total |
|---|---|---|---|---|---|---|---|
| Ibero-Macaronesian region (1) | 46.0% | 41.9% | 11.3% | 0.8% | 100.0% | ||
| Alps (4) | 67.8% | 3.4% | 24.3% | 0.4% | 4.1% | 100.0% | |
| Western highlands (8) | 77.8% | 11.5% | 10.7% | 100.0% | |||
| Central highlands (9) | 34.2% | 11.7% | 15.7% | 38.4% | 100.0% | ||
| Hungarian lowlands (11) | 16.4% | 72.5% | 5.3% | 5.8% | 100.0% | ||
| Western plains (13) | 31.6% | 36.7% | 0.4% | 4.3% | 27.1% | 100.0% | |
| Central plains (14) | 15.0% | 31.5% | 25.6% | 27.9% | 100.0% | ||
| Eastern plains (16) | 6.6% | 85.1% | 1.0% | 7.3% | 100.0% | ||
| England (18) | 11.2% | 83.0% | 5.8% | 0.1% | 100.0% | ||
| Fenno-scandian shield (22) | 53.0% | 5.1% | 1.1% | 40.9% | 100.0% | ||
| Total | 36.5% | 38.5% | 3.4% | 7.0% | 4.0% | 10.7% | 100.0% |