Ruisseau· 7 segments
L'Ourthe occidentale
Crosses 1 administrative regions : Luxembourg
Total length
53km
Max discharge
3m³/s
Max Strahler
3
Segments matched
7
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- LuxembourgWallonie · Belgium23.4 kmin this dpt
10 intersecting protected areas
Forêt de Freyr
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Forêt de Freyr
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Bassin supérieur de l'Ourthe occidentale
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Bassin supérieur de l'Ourthe occidentale
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Bassin moyen de l'Ourthe occidentale
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Bassin moyen de l'Ourthe occidentale
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Orti
IUCN IVState Nature Reserve (Walloon Region)
Orti
IUCN IVScientific Interest Site (Walloon Region)
Amberloup
IUCN IVState Nature Reserve (Walloon Region)
1 more protected areassorted by area
Moircy
IUCN IVState Nature Reserve (Walloon Region)
1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
799 distinct species · 3 033 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 L'Ourthe occidentale : 24 espèces reliées par 105 interactions GloBI sur 5 types (connectance 16.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
53km
Max discharge
3,0m³/s
Max Strahler
3
Segments matched
7
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.