Ruisseau· 14 segments
La Saâne
Crosses 1 administrative regions : Seine-Maritime
Total length
41km
Max discharge
6m³/s
Max Strahler
3
Segments matched
14
River geography1 admin regions · 41 communes
1 administrative regions crossed (GADM L2)
- Seine-MaritimeNormandie · France50.5 kmin this dpt
41 communes (L5)For countries with L5
- Val-de-Saâne6.72 km
- Brachy4.98 km
- Ouville-la-Rivière4.11 km
- Saâne-Saint-Just4.03 km
- Ancretiéville-Saint-Victor3.13 km
- La Fontelaye2.85 km
- Longueil2.76 km
- Bourdainville2.60 km
- Gueures2.24 km
- Offranville2.18 km
- Auzouville-sur-Saâne1.96 km
- Biville-la-Rivière1.87 km
- Bertrimont1.63 km
- Sainte-Marguerite-sur-Mer1.26 km
- Saint-Pierre-Bénouville1.23 km
- Rainfreville1.03 km
- Gueutteville0.76 km
- Ambrumesnil0.75 km
- Lestanville0.74 km
- Saint-Laurent-en-Caux0.58 km
- Avremesnil0.53 km
- Saint-Denis-d'Aclon0.50 km
- Sassetot-le-Malgardé0.48 km
- Royville0.46 km
- Yerville0.42 km
- Tocqueville-en-Caux0.36 km
- Ectot-l'Auber0.32 km
- Quiberville0.00 km
- Thil-Manneville0.00 km
- Varneville-Bretteville0.00 km
- Le Torp-Mesnil0.00 km
- Saint-Ouen-le-Mauger0.00 km
- Lammerville0.00 km
- Hermanville0.00 km
- Gonnetot0.00 km
- Lindebeuf0.00 km
- Saint-Martin-aux-Arbres0.00 km
- Vibeuf0.00 km
- Belleville-en-Caux0.00 km
- Colmesnil-Manneville0.00 km
- Imbleville0.00 km
5 intersecting protected areas
Littoral seino-marin
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Littoral Cauchois
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Littoral Cauchois
IUCN Not ReportedMarine Protected Area (OSPAR)
Cap d\'ailly
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
Vallee de la saâne
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
1 page = 1 named river (aggregation of 14 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
737 distinct species · 5 564 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 La Saâne : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 117 interactions GloBI sur 5 types (connectance 20.9%, filtre Serrano α=0.2). 14 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
41km
Max discharge
6,0m³/s
Max Strahler
3
Segments matched
14
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.