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
Saint-Jean-sur-Richelieu
Canada
DfbCold, no dry season, warm summer(100 %)
Species observed
1 307
Observations
234 758
Area
48km²
Ecological tissue
Sample of 30 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Saint-Jean-sur-Richelieu : 21 espèces reliées par 66 interactions GloBI sur 3 types (connectance 15.2%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
66
Connectance
0.152
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 307 distinct species · 234 758 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
7,0°C
Annual rain
1 083mm
Warmest m°
25,6°C
Coldest m°
-13,5°C
Elevation: 39 m on average (min 28 m, max 52 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
7,0°C
Annual rain
1 083mm
Warmest month
25,6°C
Coldest month
-13,5°C
Mean alt.
39m
Min
28m
Max
52m
Std. dev.
5m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,8
Org. C
73,6g/kg
Clay
29,0%
Sand
32,7%
Silt
38,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Le Haut-Richelieu
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
72,1g/kg
Clay
27,8%
Sand
33,5%
Silt
38,7%
5–15 cm
pH H₂O
5,8
Org. C
55,4g/kg
Clay
28,0%
Sand
33,3%
Silt
38,7%
15–30 cm
pH H₂O
5,8
Org. C
93,3g/kg
Clay
31,2%
Sand
31,3%
Silt
37,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest9.0%
Crops33.5%
Built-up6.3%
Bare soil1.3%
Other (grassland, water…)50.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
11,4km
Basins crossed
1
Max stream order
6
Max drainage
21 914km²
Discharge in basins
34,4m³/s
Mean precip.
932mm/an
Mean T°
6,5°C
Moisture idx
0,08
Max snow
26%
Mean runoff
608mm/an
Mean elev. (basins)
36m
Watersheds crossing here
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
6hab/km²
Night light
19,8nW
Built-up
630,0%
Pesticides
43,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN