Rivière· 3 segments
L'Oison
Crosses 2 administrative regions : Eure, Seine-Maritime
Total length
16km
Max discharge
518,1m³/s
Max Strahler
6
Segments matched
3
River geography2 admin regions · 22 communes
2 administrative regions crossed (GADM L2)
- EureNormandie · France9.1 kmin this dpt
- Seine-MaritimeNormandie · France8.6 kmin this dpt
22 communes (L5)For countries with L5
- Saint-Pierre-lès-Elbeuf4.56 km
- Saint-Cyr-la-Campagne3.73 km
- Freneuse2.50 km
- Saint-Pierre-des-Fleurs1.32 km
- Saint-Germain-de-Pasquier1.30 km
- Saint-Ouen-de-Pontcheuil1.15 km
- Elbeuf0.94 km
- Le Bec-Thomas0.66 km
- Saint-Aubin-lès-Elbeuf0.65 km
- La Saussaye0.37 km
- Saint-Amand-des-Hautes-Terres0.21 km
- Le Thuit-Signol0.14 km
- Criquebeuf-sur-Seine0.08 km
- Martot0.08 km
- Fouqueville0.02 km
- Saint-Didier-des-Bois0.00 km
- Amfreville-la-Campagne0.00 km
- La Haye-Malherbe0.00 km
- Caudebec-lès-Elbeuf0.00 km
- Cléon0.00 km
- La Harengère0.00 km
- Tourville-la-Rivière0.00 km
4 intersecting protected areas
Iles et berges de la Seine dans l'Eure
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Iles et berges de la Seine en Seine-Maritime
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Bras Mort De Freneuse
IUCN IVBiotope Protection Order
La Mare Asse
IUCN IVBiotope Protection Order
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 566 distinct species · 7 964 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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'Oison : 21 espèces reliées par 113 interactions GloBI sur 6 types (connectance 21.4%, 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
16km
Max discharge
518,1m³/s
Max Strahler
6
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.