Rivière· 38 segments
Rivière Richelieu
Crosses 7 administrative regions : Clinton, Grand Isle, La Vallée-du-Richelieu, Lajemmerais, Le Bas-Richelieu +2
Total length
143km
Max discharge
455,8m³/s
Max Strahler
6
Segments matched
38
River geography7 admin regions · 0 communes
7 administrative regions crossed (GADM L2)
- Le Haut-RichelieuQuébec · Canada50.6 kmin this dpt
- Le Bas-RichelieuQuébec · Canada32.2 kmin this dpt
- La Vallée-du-RichelieuQuébec · Canada31.6 kmin this dpt
- LajemmeraisQuébec · Canada8.3 kmin this dpt
- RouvilleQuébec · Canada8.1 kmin this dpt
- Grand IsleVermont · United States1.9 kmin this dpt
- ClintonNew York · United States0.0 kmin this dpt
11 intersecting protected areas
Water fowl gathering area
Natural Area Under Private Stewardship
Proposed biodiversity reserve
Ecological reserve
Fort Lennox National Historic Site
IUCN Not ApplicableNational Historic Site
Rivière-Bleury (Sec. CIME / Par. Ferme-Simard) Nature Reserve
IUCN Not ReportedRecognized nature reserve
Îles Saint-Jean Natural Area Under Private Stewardship
IUCN Not ReportedNatural Area Under Private Stewardship
Île-Jeannotte Nature Reserve
IUCN IVRecognized nature reserve
Îles du Fort-Lennox Natural Area Under Private Stewardship
IUCN Not ReportedNatural Area Under Private Stewardship
2 more protected areassorted by area
rivière du Sud (partie Entreprises Saint-Jean) Natural Area Under Private Stewardship
IUCN Not ReportedNatural Area Under Private Stewardship
Natural Area Under Private Stewardship
1 page = 1 named river (aggregation of 38 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
962 distinct species · 49 825 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Rivière Richelieu : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 112 interactions GloBI sur 4 types (connectance 17.8%, filtre Serrano α=0.2). 14 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
143km
Max discharge
455,8m³/s
Max Strahler
6
Segments matched
38
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.