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
1 908
Observations
449 173
Area
32,8km²
Sample of 35 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 Richelieu : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 82 interactions GloBI sur 4 types (connectance 13.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
1 908 distinct species · 449 173 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
6,9°C
Annual rain
1 077mm
Warmest m°
25,6°C
Coldest m°
-13,9°C
Elevation: 33 m on average (min 8 m, max 47 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
5,9
Org. C
64,3g/kg
Clay
31,7%
Sand
32,5%
Silt
35,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: pbGLiMaggregated to Rouville
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
8,6km
Lake surface here
0,57km²
Basins crossed
2
Max stream order
6
Max drainage
21 914km²
Discharge in basins
22,4m³/s
Mean precip.
934mm/an
Mean T°
6,5°C
Moisture idx
0,08
Max snow
26%
Mean runoff
609mm/an
Mean elev. (basins)
36m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
1hab/km²
Night light
4,5nW
Built-up
141,8%
Pesticides
43,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Natural Area Under Private Stewardship · 2003
6 km²
Natural Area Under Private Stewardship · 2014
0 km²
Natural Area Under Private Stewardship · 1997
0 km²
Natural Area Under Private Stewardship · 2005
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN