Lac des Deux Montagnes (Anse à l'Orme) Water Fowl Gathering Area
IUCN IVWater fowl gathering area · 2005
20 km²
Commune · CAN
Pierrefonds
Canada
DfbCold, no dry season, warm summer(56 %)
Species observed
1 243
Observations
138 384
Area
19,4km²
Ecological tissue
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Pierrefonds : 24 espèces reliées par 76 interactions GloBI sur 5 types (connectance 13.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
34
Interactions affichées
76
Connectance
0.136
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
1 243 distinct species · 138 384 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,9°C
Annual rain
1 050mm
Warmest m°
25,4°C
Coldest m°
-13,7°C
Elevation: 29 m on average (min 22 m, max 49 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,9°C
Annual rain
1 050mm
Warmest month
25,4°C
Coldest month
-13,7°C
Mean alt.
29m
Min
22m
Max
49m
Std. dev.
7m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(56 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,5
Org. C
60,2g/kg
Clay
24,6%
Sand
40,9%
Silt
34,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Communauté-Urbaine-de-Montréal
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,4
Org. C
91,6g/kg
Clay
24,1%
Sand
41,0%
Silt
34,8%
5–15 cm
pH H₂O
5,5
Org. C
48,6g/kg
Clay
23,8%
Sand
41,3%
Silt
34,9%
15–30 cm
pH H₂O
5,6
Org. C
40,3g/kg
Clay
25,9%
Sand
40,3%
Silt
33,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest21.0%
Crops2.9%
Built-up11.6%
Bare soil1.4%
Other (grassland, water…)63.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 2 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,7km
Lake surface here
0,10km²
Basins crossed
2
Max stream order
1
Max drainage
147 406km²
Discharge in basins
5,1m³/s
Mean precip.
956mm/an
Mean T°
5,9°C
Moisture idx
0,13
Max snow
29%
Mean runoff
571mm/an
Mean elev. (basins)
45m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
16hab/km²
Night light
18,6nW
Built-up
1 155,8%
Pesticides
39,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN Not Reported · 3IUCN IV · 2
Cap-Saint-Jacques Natural Area Under Private Stewardship
IUCN Not ReportedNatural Area Under Private Stewardship · 1979
3 km²
Anse-à-l'Orme Natural Area Under Private Stewardship
IUCN Not ReportedNatural Area Under Private Stewardship · 1979
2 km²
Bois-de-Liesse (inclut le Bois-Franc) Natural Area Under Private Stewardship
IUCN Not ReportedNatural Area Under Private Stewardship · 1979
2 km²
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization · 2024
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN