lit de la rivière Richelieu (partie entre Saint-Jean-sur-Richelieu et Chambly) Natural Area Under Private Stewardship
IUCN IVNatural Area Under Private Stewardship · 2003
6 km²
Commune · CAN
Canada
Species observed
1 543
Observations
303 311
Area
27,1km²
Sample of 34 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).
Tissu écologique de Chambly : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 80 interactions GloBI sur 4 types (connectance 14.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
1 543 distinct species · 303 311 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
7,0°C
Annual rain
1 065mm
Warmest m°
25,7°C
Coldest m°
-13,9°C
Elevation: 22 m on average (min 8 m, max 35 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,1
Org. C
67,2g/kg
Clay
27,0%
Sand
35,4%
Silt
37,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: pbGLiMaggregated to La Vallée-du-Richelieu
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
3,5km
Lake surface here
1,57km²
Basins crossed
3
Max stream order
6
Max drainage
22 271km²
Discharge in basins
35,2m³/s
Mean precip.
933mm/an
Mean T°
6,4°C
Moisture idx
0,09
Max snow
27%
Mean runoff
593mm/an
Mean elev. (basins)
40m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
6hab/km²
Night light
15,4nW
Built-up
775,7%
Pesticides
43,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Natural Area Under Private Stewardship · 2003
6 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN