Fleuve· 43 segments
La Sèvre Nantaise
Crosses 4 administrative regions : Deux-Sèvres, Loire-Atlantique, Maine-et-Loire, Vendée
Total length
150km
Max discharge
981,6m³/s
Max Strahler
7
Segments matched
43
River geography4 admin regions · 52 communes
4 administrative regions crossed (GADM L2)
- Deux-SèvresNouvelle-Aquitaine · France47.0 kmin this dpt
- VendéePays de la Loire · France41.9 kmin this dpt
- Loire-AtlantiquePays de la Loire · France36.7 kmin this dpt
- Maine-et-LoirePays de la Loire · France7.5 kmin this dpt
52 communes (L5)For countries with L5
- La Forêt-sur-Sèvre8.51 km
- Vertou8.43 km
- La Verrie7.04 km
- Largeasse6.10 km
- Moncoutant5.63 km
- Saint-André-sur-Sèvre5.62 km
- Mortagne-sur-Sèvre5.55 km
- Cerizay5.18 km
- Saint-Laurent-sur-Sèvre5.12 km
- Le Longeron4.68 km
- Les Châtelliers-Châteaumur4.50 km
- Le Pallet4.17 km
- La Haie-Fouassière4.07 km
- Nantes3.97 km
- Boussay3.82 km
- Cugand3.77 km
- La Bruffière3.10 km
- Treize-Vents3.02 km
- Torfou2.87 km
- Gétigné2.83 km
- Montravers2.82 km
- Saint-Amand-sur-Sèvre2.78 km
- Gorges2.70 km
- Rezé2.56 km
- Vernoux-en-Gâtine2.44 km
- Saint-Malô-du-Bois2.40 km
- Courlay2.22 km
- Le Breuil-Bernard2.05 km
- Tiffauges2.04 km
- Clisson1.96 km
- Saint-Aubin-des-Ormeaux1.71 km
- Les Epesses1.55 km
- Saint-Jouin-de-Milly1.43 km
- L'Absie1.27 km
- La Flocellière0.98 km
- Maisdon-sur-Sèvre0.96 km
- Monnières0.66 km
- Saint-Fiacre-sur-Maine0.59 km
- La Pommeraie-sur-Sèvre0.56 km
- Moutiers-sous-Chantemerle0.52 km
- Saint-Mesmin0.34 km
- La Chapelle-Saint-Étienne0.22 km
- Mallièvre0.21 km
- Mauléon0.18 km
- Bouguenais0.00 km
- Saint-Christophe-du-Bois0.00 km
- Saint-Sébastien-sur-Loire0.00 km
- Trayes0.00 km
- Château-Thébaud0.00 km
- Mouzillon0.00 km
- Les Sorinières0.00 km
- Menomblet0.00 km
6 intersecting protected areas
Estuaire de la Loire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Estuaire de la Loire
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Biotope Protection Order
pree des cosses
IUCN IVLand acquired by a regional conservatory of natural areas
La carrière de Misery
IUCN IVGeotope Protection Order
La carrière de Misery
IUCN Not ReportedGeotope Protection Order
1 page = 1 named river (aggregation of 43 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
469 distinct species · 1 537 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 Sèvre Nantaise : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 123 interactions GloBI sur 5 types (connectance 14.3%, filtre Serrano α=0.2). 13 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
981,6m³/s
Max Strahler
7
Segments matched
43
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.