Ruisseau· 8 segments
L'Ourthe orientale
Crosses 1 administrative regions : Luxembourg
Total length
42km
Max discharge
4,1m³/s
Max Strahler
3
Segments matched
8
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- LuxembourgWallonie · Belgium33.3 kmin this dpt
17 intersecting protected areas
Bassin inférieur de l'Ourthe orientale
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Bassin inférieur de l'Ourthe orientale
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de l'Ourthe entre Nisramont et La Roche
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallée de l'Ourthe entre Nisramont et La Roche
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
ZPS - Natura 2000
Vallée de la Woltz et affluents de la source à Troisvierges
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Bassin inférieur de l'Ourthe occidentale
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Bassin inférieur de l'Ourthe occidentale
IUCN Not ReportedSpecial Protection Area (Birds Directive)
ZSC - Natura 2000
8 more protected areassorted by area
Etangs de Longchamps et de Noville
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Etangs de Longchamps et de Noville
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Ourthe orientale
IUCN IVCertified Nature Reserve (Walloon Region)
Hautbellain-Fooschtbaach
IUCN IIProtected Area
Vellereux
IUCN IVCertified Nature Reserve (Walloon Region)
State Nature Reserve (Walloon Region)
Fonds d\'Achouffe
IUCN IVState Nature Reserve (Walloon Region)
Brisy
IUCN IVState Nature Reserve (Walloon Region)
1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
992 distinct species · 3 670 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 orientale : 30 espèces + 8 bulles famille, 71 interactions GloBI documentées sur 4 types (connectance 10.1%, filtre Serrano α=0.2). Les 8 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
42km
Max discharge
4,1m³/s
Max Strahler
3
Segments matched
8
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.