HydroBASINS lev08 watershed · #2080426180
Bassin de l'Ourthe orientale
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 2 administrative regions across 2 countries : Clervaux, Luxembourg
Sub-basin area
331km²
Upstream area
331,2km²
Discharge
4,12m³/s
Mean elev.
470m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 330.1 km²99.4% of basin
- ClervauxDiekirch · Luxembourg2.0 km²0.6% of basin
30 intersecting protected areas
Bassin inférieur de l'Ourthe orientale
IUCN Not ReportedSpecial Protection Area (Birds Directive)
23.57 km² overlap
Bassin inférieur de l'Ourthe orientale
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
23.57 km² overlap
Fagnes de Samrée et de Tailles
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
7.55 km² overlap
Fagnes de Samrée et de Tailles
IUCN Not ReportedSpecial Protection Area (Birds Directive)
7.55 km² overlap
Plateau des Tailles
IUCN IVState Nature Reserve (Walloon Region)
4.33 km² overlap
Sources du Ruisseau de Tavigny
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2.56 km² overlap
Sources du Ruisseau de Tavigny
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.56 km² overlap
ZPS - Natura 2000
1.83 km² overlap
Vallée de la Woltz et affluents de la source à Troisvierges
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.83 km² overlap
21 more protected areassorted by overlap area
Fagnes de Bihain
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.75 km² overlap
Fagnes de Bihain
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.75 km² overlap
Etangs de Longchamps et de Noville
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.48 km² overlap
Etangs de Longchamps et de Noville
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.48 km² overlap
Certified Nature Reserve (Walloon Region)
0.44 km² overlap
Ourthe orientale
IUCN IVCertified Nature Reserve (Walloon Region)
0.43 km² overlap
ZSC - Natura 2000
0.34 km² overlap
Hautbellain-Fooschtbaach
IUCN IIProtected Area
0.34 km² overlap
Sol Fagne
IUCN IVCertified Nature Reserve (Walloon Region)
0.24 km² overlap
Fanges des sources de l'Aisne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.23 km² overlap
Fanges des sources de l'Aisne
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.23 km² overlap
Prés du Haut Sommerain
IUCN IVState Nature Reserve (Walloon Region)
0.17 km² overlap
Vallée de l'Ourthe entre Nisramont et La Roche
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.12 km² overlap
Vallée de l'Ourthe entre Nisramont et La Roche
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.12 km² overlap
Bec du Feyi
IUCN IVCertified Nature Reserve (Walloon Region)
0.11 km² overlap
Compogne
IUCN IVCertified Nature Reserve (Walloon Region)
0.09 km² overlap
Bernistap (Canal de)
IUCN IVState Nature Reserve (Walloon Region)
0.08 km² overlap
Vellereux
IUCN IVCertified Nature Reserve (Walloon Region)
0.07 km² overlap
Vallée du Martin Moulin
IUCN IVCertified Nature Reserve (Walloon Region)
0.07 km² overlap
ZPS - Natura 2000
0.06 km² overlap
Vallée de la Tretterbaach et affluents de la frontière à Asselborn
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 839 distinct species · 41 188 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 l'Ourthe orientale : 23 espèces reliées par 127 interactions GloBI sur 5 types (connectance 18.1%, filtre Serrano α=0.2). 15 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°
7,8°C
Annual rain
1 023mm
Moisture idx (CMI)
0,34
Runoff
392mm/an
PET
673mm
AET
589mm
Mean slope
3,9°
Water table
262cm
Forest
47%
Crops
15%
Urban
0%
Protected
98%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)