Rivière· 41 segments
La Somme Canalisée
Crosses 2 administrative regions : Aisne, Somme
Total length
150km
Max discharge
82,5m³/s
Max Strahler
5
Segments matched
41
River geography2 admin regions · 94 communes
2 administrative regions crossed (GADM L2)
94 communes (L5)For countries with L5
- Cappy5.17 km
- Picquigny5.00 km
- Méricourt-sur-Somme4.92 km
- Abbeville4.77 km
- Saigneville4.48 km
- Breilly4.45 km
- Éclusier-Vaux4.38 km
- Mons-Boubert4.36 km
- La Chaussée-Tirancourt4.32 km
- Bourdon4.25 km
- Dury4.17 km
- Crouy-Saint-Pierre4.11 km
- Cambron3.05 km
- Ailly-sur-Somme3.04 km
- Moyenneville2.87 km
- Cahon2.77 km
- Béthencourt-sur-Somme2.68 km
- Boismont2.66 km
- Étinehem2.45 km
- La Neuville-lès-Bray2.43 km
- Morchain2.34 km
- Curlu2.29 km
- Ham2.27 km
- Condé-Folie2.26 km
- Fouilloy2.24 km
- Rivery2.23 km
- Dreuil-lès-Amiens2.20 km
- Chipilly1.94 km
- Yzeux1.82 km
- Hem-Monacu1.64 km
- Chuignolles1.61 km
- Aubigny1.60 km
- Saisseval1.53 km
- Cerisy1.51 km
- Frise1.38 km
- Flixecourt1.34 km
- Amiens1.31 km
- Morcourt1.28 km
- Bray-sur-Somme1.20 km
- L'Étoile1.15 km
- Yonval1.12 km
- Franleu1.09 km
- Mesnil-Saint-Nicaise1.04 km
- Bovelles1.02 km
- Villers-Bretonneux0.98 km
- Saint-Simon0.89 km
- Argœuves0.85 km
- Pithon0.81 km
- Grand-Laviers0.74 km
- Saint-Vaast-en-Chaussée0.70 km
- Port-le-Grand0.68 km
- Suzanne0.63 km
- Corbie0.63 km
- Hangest-sur-Somme0.62 km
- Chuignes0.57 km
- Belloy-sur-Somme0.53 km
- Potte0.41 km
- Proyart0.38 km
- Bouchon0.31 km
- Daours0.25 km
- Vecquemont0.19 km
- Voyennes0.09 km
- Fourdrinoy0.05 km
- Sommette-Eaucourt0.02 km
- Saint-Sauveur0.00 km
- Noyelles-sur-Mer0.00 km
- Quesnoy-le-Montant0.00 km
- Miannay0.00 km
- Huchenneville0.00 km
- Béhen0.00 km
- Mareuil-Caubert0.00 km
- Curchy0.00 km
- Tugny-et-Pont0.00 km
- Sailly-Laurette0.00 km
- Camon0.00 km
- Soues0.00 km
- Dompierre-Becquincourt0.00 km
- Blangy-Tronville0.00 km
- Ollezy0.00 km
- Cugny0.00 km
- Maricourt0.00 km
- Eppeville0.00 km
- Annois0.00 km
- Muille-Villette0.00 km
- Villecourt0.00 km
- Y0.00 km
- Rouy-le-Petit0.00 km
- Rouy-le-Grand0.00 km
- Pargny0.00 km
- Cachy0.00 km
- Seux0.00 km
- Cléry-sur-Somme0.00 km
- Arrest0.00 km
- Feuillères0.00 km
30 intersecting protected areas
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)
Wetland of International Importance (Ramsar Site)
Étangs et marais du bassin de la Somme
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Moyenne vallée de la Somme
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Basse vallée de la Somme de Pont-Rémy à Breilly
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Marais et monts de Mareuil-Caubert
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
21 more protected areassorted by area
Marais de la moyenne Somme entre Amiens et Corbie
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Moyenne vallee de la somme
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
Land acquired by a regional conservatory of natural areas
le marais de picquigny
IUCN IVLand acquired by a regional conservatory of natural areas
Land acquired by a regional conservatory of natural areas
le marais de la chaussee
IUCN IVLand acquired by a regional conservatory of natural areas
Land acquired by a regional conservatory of natural areas
Biotope Protection Order
le marais de tirancourt
IUCN IVLand acquired by a regional conservatory of natural areas
Réseau de coteaux calcaires du Ponthieu méridional
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
la vallee d acon
IUCN IVLand acquired by a regional conservatory of natural areas
le marais du chateau
IUCN IVLand acquired by a regional conservatory of natural areas
Land acquired by a regional conservatory of natural areas
la montagne de frise
IUCN IVLand acquired by a regional conservatory of natural areas
notre dame de vaux
IUCN IVLand acquired by a regional conservatory of natural areas
Vallée D\'Acon
IUCN IVBiotope Protection Order
Land acquired by a regional conservatory of natural areas
les montagnes de chipilly
IUCN IVLand acquired by a regional conservatory of natural areas
le larry de bourdon
IUCN IVLand acquired by a regional conservatory of natural areas
les riez de yonval
IUCN IVLand acquired by a regional conservatory of natural areas
le larris du gros mont
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 41 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 040 distinct species · 6 745 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Somme Canalisée : 24 espèces reliées par 136 interactions GloBI sur 5 types (connectance 17.4%, 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
150km
Max discharge
82,5m³/s
Max Strahler
5
Segments matched
41
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.