Île aux Sternes Water Fowl Gathering Area
IUCN IVWater fowl gathering area · 2005
9 km²
Commune · CAN
Trois-Rivières-Ouest
Canada
DfbCold, no dry season, warm summer(100 %)
Species observed
1 913
Observations
193 587
Area
28,6km²
Ecological tissue
Sample of 32 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 Trois-Rivières-Ouest : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 4 types (connectance 15.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
79
Connectance
0.159
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 913 distinct species · 193 587 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,0°C
Annual rain
1 087mm
Warmest m°
24,8°C
Coldest m°
-15,1°C
Elevation: 28 m on average (min 2 m, max 71 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,0°C
Annual rain
1 087mm
Warmest month
24,8°C
Coldest month
-15,1°C
Mean alt.
28m
Min
2m
Max
71m
Std. dev.
22m
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
5,6
Org. C
53,6g/kg
Clay
21,7%
Sand
40,2%
Silt
38,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Francheville
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
86,1g/kg
Clay
20,6%
Sand
40,5%
Silt
39,0%
5–15 cm
pH H₂O
5,6
Org. C
46,4g/kg
Clay
21,3%
Sand
40,3%
Silt
38,4%
15–30 cm
pH H₂O
5,7
Org. C
28,4g/kg
Clay
23,1%
Sand
39,9%
Silt
37,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest21.8%
Crops17.3%
Built-up7.7%
Bare soil2.7%
Other (grassland, water…)50.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
6,5km
Lake surface here
0,16km²
Basins crossed
1
Max stream order
1
Max drainage
986 574km²
Discharge in basins
1 659,8m³/s
Mean precip.
1 013mm/an
Mean T°
5,2°C
Moisture idx
0,20
Max snow
31%
Mean runoff
615mm/an
Mean elev. (basins)
25m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
6hab/km²
Night light
27,2nW
Built-up
771,3%
Pesticides
31,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1🌊 Marine · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN