Ruisseau
Chenal de la Raque
Crosses 1 administrative regions : Vendée
Total length
20km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 3 communes
1 administrative regions crossed (GADM L2)
- VendéePays de la Loire · France3.8 kmin this dpt
3 communes (L5)For countries with L5
- Saint-Michel-en-l'Herm3.82 km
- Grues0.00 km
- L'Aiguillon-sur-Mer0.00 km
4 intersecting protected areas
Marais Poitevin
IUCN VRegional Nature Park
Marais poitevin
IUCN IIIWetland of International Importance (Ramsar Site)
Marais poitevin
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Marais Poitevin
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
782 distinct species · 10 289 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 Chenal de la Raque : 35 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 52 interactions GloBI sur 2 types (connectance 7.8%, filtre Serrano α=0.2). 2 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
20km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.