Ruisseau· 11 segments
Le Dun
Crosses 1 administrative regions : Seine-Maritime
Total length
13km
Max discharge
2,1m³/s
Max Strahler
3
Segments matched
11
River geography1 admin regions · 17 communes
1 administrative regions crossed (GADM L2)
- Seine-MaritimeNormandie · France25.6 kmin this dpt
17 communes (L5)For countries with L5
- Le Bourg-Dun5.77 km
- Saint-Pierre-le-Vieux4.22 km
- Saint-Pierre-le-Viger2.97 km
- Autigny2.72 km
- Crasville-la-Rocquefort2.05 km
- Fontaine-le-Dun1.90 km
- La Gaillarde1.72 km
- Saint-Aubin-sur-Mer1.52 km
- Brametot1.16 km
- Avremesnil1.00 km
- Gueures0.61 km
- Luneray0.00 km
- Bretteville-Saint-Laurent0.00 km
- Bourville0.00 km
- Gruchet-Saint-Siméon0.00 km
- La Chapelle-sur-Dun0.00 km
- Canville-les-Deux-Églises0.00 km
4 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)
Vallee du dun
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
995 distinct species · 8 710 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 Le Dun : 22 espèces reliées par 123 interactions GloBI sur 5 types (connectance 17.5%, filtre Serrano α=0.2). 16 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
13km
Max discharge
2,1m³/s
Max Strahler
3
Segments matched
11
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.