Rivière
Ri de Sébia
Crosses 1 administrative regions : Namur
Total length
3km
Max discharge
15,8m³/s
Max Strahler
4
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- NamurWallonie · Belgium8.3 kmin this dpt
12 intersecting protected areas
Vallée de la Lesse en aval de Houyet
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de la Lesse en aval de Houyet
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallée de la Meuse d'Hastière à Dinant
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallée de la Meuse d'Hastière à Dinant
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Furfooz
IUCN IVCertified Nature Reserve (Walloon Region)
Chaleux (Aiguilles de)
IUCN IVState Nature Reserve (Walloon Region)
State Nature Reserve (Walloon Region)
Moniat (Ile de)
IUCN IVState Nature Reserve (Walloon Region)
Scientific Interest Site (Walloon Region)
3 more protected areassorted by area
Trou qui fume
IUCN IVScientific Interest Site (Walloon Region)
Scientific Interest Site (Walloon Region)
Puits des Vaulx
IUCN IVScientific Interest Site (Walloon Region)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
2 320 distinct species · 16 915 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 Ri de Sébia : 41 espèces reliées par 92 interactions GloBI sur 4 types (connectance 8.2%, filtre Serrano α=0.2). 7 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
3km
Max discharge
15,8m³/s
Max Strahler
4
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.