lac des Deux Montagnes - Sainte-Marthe-sur-le-Lac Water Fowl Gathering Area
IUCN IVWater fowl gathering area · 2005
8 km²
Commune · CAN
Canada
Species observed
4 675
Observations
2 690 221
Area
259,9km²
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).
Tissu écologique de Laval : 23 espèces + 8 bulles famille, 49 interactions GloBI documentées sur 3 types (connectance 10.5%, filtre Serrano α=0.2). Les 8 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
4 675 distinct species · 2 690 221 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
6,8°C
Annual rain
1 053mm
Warmest m°
25,5°C
Coldest m°
-14,3°C
Elevation: 31 m on average (min 7 m, max 54 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,1
Org. C
51,5g/kg
Clay
23,5%
Sand
41,0%
Silt
35,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Laval
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
63,5km
Lake surface here
3,21km²
Basins crossed
1
Max stream order
4
Max drainage
1 368km²
Discharge in basins
4,8m³/s
Mean precip.
960mm/an
Mean T°
5,9°C
Moisture idx
0,13
Max snow
28%
Mean runoff
577mm/an
Mean elev. (basins)
43m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
10hab/km²
Night light
31,9nW
Built-up
924,4%
Pesticides
35,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Water fowl gathering area · 2005
8 km²
Recognized nature reserve · 2006
1 km²
Natural Area Under Private Stewardship · 2021
0 km²
Muskrat habitat · 2005
0 km²
Muskrat habitat · 2005
0 km²
Wildlife preserve · 1998
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN