Rivière
Douve du Large
Crosses 1 administrative regions : Loire-Atlantique
Total length
2km
Max discharge
14,4m³/s
Max Strahler
4
Segments matched
1
River geography1 admin regions · 5 communes
1 administrative regions crossed (GADM L2)
- Loire-AtlantiquePays de la Loire · France6.1 kmin this dpt
5 communes (L5)For countries with L5
- Saint-Philbert-de-Grand-Lieu3.70 km
- Saint-Mars-de-Coutais1.51 km
- Saint-Léger-les-Vignes0.90 km
- Bouaye0.00 km
- Port-Saint-Père0.00 km
11 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)
Lac de Grand-Lieu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Lac de Grand-Lieu
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Lac de Grand Lieu
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Lac de grand lieu
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
Lac De Grand-Lieu
IUCN IVNational Nature Reserve
Lac De Grand-Lieu
IUCN IVRegional Nature Reserve
Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
2 more protected areassorted by area
La Pierre-Aigüe
IUCN Not ReportedGeotope Protection Order
La Pierre-Aigüe
IUCN IVGeotope Protection Order
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
778 distinct species · 5 060 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Douve du Large : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 7 bulles famille, 63 interactions GloBI documentées sur 5 types (connectance 9.5%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
2km
Max discharge
14,4m³/s
Max Strahler
4
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.