HydroBASINS lev08 watershed · #2080417730
Bassin de Amblève
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 3 administrative regions across 2 countries : Euskirchen, Liège, Luxembourg
Sub-basin area
1 065,2km²
Upstream area
1 065,2km²
Discharge
13,65m³/s
Mean elev.
460m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 857.6 km²80.2% of basin
- 211.2 km²19.8% of basin
- Euskirchen0.1 km²0.0% of basin
30 intersecting protected areas
Vallée de l'Amblève du Pont de Targnon à Remouchamps
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
17.98 km² overlap
Vallée de l'Amblève du Pont de Targnon à Remouchamps
IUCN Not ReportedSpecial Protection Area (Birds Directive)
17.98 km² overlap
Fagnes de la Polleur et de Malmedy
IUCN Not ReportedSpecial Protection Area (Birds Directive)
9.14 km² overlap
Fagnes de la Polleur et de Malmedy
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
9.14 km² overlap
Les Hautes Fagnes
IUCN IVWetland of International Importance (Ramsar Site)
8.39 km² overlap
Bassin supérieur de la Salm
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
7.94 km² overlap
Bassin supérieur de la Salm
IUCN Not ReportedSpecial Protection Area (Birds Directive)
7.94 km² overlap
Noir Ru et Vallée du Rechterbach
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.95 km² overlap
Noir Ru et Vallée du Rechterbach
IUCN Not ReportedSpecial Protection Area (Birds Directive)
6.95 km² overlap
21 more protected areassorted by overlap area
Fagnes de Stavelot et vallée de l'Eau Rouge
IUCN Not ReportedSpecial Protection Area (Birds Directive)
5.44 km² overlap
Fagnes de Stavelot et vallée de l'Eau Rouge
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.44 km² overlap
Fagnes de Bihain
IUCN Not ReportedSpecial Protection Area (Birds Directive)
5.29 km² overlap
Fagnes de Bihain
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.29 km² overlap
Hautes Fagnes
IUCN IVState Nature Reserve (Walloon Region)
5.24 km² overlap
Fagnes de Malchamps et de Stoumont
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.85 km² overlap
Fagnes de Malchamps et de Stoumont
IUCN Not ReportedSpecial Protection Area (Birds Directive)
4.85 km² overlap
Vallées de la Warche et du Bayehon en aval du barrage de Robertville
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.71 km² overlap
Vallées de la Warche et du Bayehon en aval du barrage de Robertville
IUCN Not ReportedSpecial Protection Area (Birds Directive)
4.71 km² overlap
Haute vallée de la Lienne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.96 km² overlap
Haute vallée de la Lienne
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.96 km² overlap
Basse vallée de la Lienne
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.90 km² overlap
Basse vallée de la Lienne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.90 km² overlap
Haute vallée de l'Amblève entre Heppenbach et Montenau
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.83 km² overlap
Haute vallée de l'Amblève entre Heppenbach et Montenau
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.83 km² overlap
Basse vallée de l'Amblève
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.54 km² overlap
Basse vallée de l'Amblève
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.54 km² overlap
Plateau des Tailles
IUCN IVState Nature Reserve (Walloon Region)
3.33 km² overlap
Vallée de la Holzwarche
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.29 km² overlap
Vallée de la Holzwarche
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.29 km² overlap
Vallée de l'Emmels
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.13 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 171 distinct species · 234 263 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Amblève : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 5 types (connectance 15.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
7,7°C
Annual rain
1 085mm
Moisture idx (CMI)
0,39
Runoff
396mm/an
PET
658mm
AET
594mm
Mean slope
5,4°
Water table
333cm
Forest
60%
Crops
6%
Urban
2%
Protected
17%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)