Ruisseau
Canal de Cayeux
Crosses 1 administrative regions : Somme
Total length
6km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 2 communes
1 administrative regions crossed (GADM L2)
- SommeHauts-de-France · France0.8 kmin this dpt
2 communes (L5)For countries with L5
- Cayeux-sur-Mer0.60 km
- Lanchères0.23 km
5 intersecting protected areas
Marine Nature Park
Regional Nature Park
Baie de Somme
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Estuaires et littoral picards (baies de Somme et d'Authie)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Rencloture de la gaite
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 724 distinct species · 61 615 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Canal de Cayeux : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 5 types (connectance 14.0%, 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
6km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.