St. Clair National Wildlife Area-Bear Creek Unit
IUCN IVNational Wildlife Area · 1978
1 km²
Commune · CAN
Walpole Island 46
Canada
DfaCold, no dry season, hot summer(100 %)
Species observed
1 309
Observations
53 271
Area
481,4km²
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 Walpole Island 46 : 23 espèces reliées par 63 interactions GloBI sur 3 types (connectance 14.5%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
63
Connectance
0.145
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
1 309 distinct species · 53 271 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,7°C
Annual rain
970mm
Warmest m°
26,7°C
Coldest m°
-7,0°C
Elevation: 174 m on average (min 171 m, max 176 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,7°C
Annual rain
970mm
Warmest month
26,7°C
Coldest month
-7,0°C
Mean alt.
174m
Min
171m
Max
176m
Std. dev.
1m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(100 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,4
Org. C
39,1g/kg
Clay
23,2%
Sand
42,7%
Silt
34,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Lambton
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,4
Org. C
63,2g/kg
Clay
22,8%
Sand
42,7%
Silt
34,5%
5–15 cm
pH H₂O
6,4
Org. C
34,3g/kg
Clay
22,4%
Sand
43,2%
Silt
34,4%
15–30 cm
pH H₂O
6,5
Org. C
19,9g/kg
Clay
24,4%
Sand
42,1%
Silt
33,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest13.5%
Crops8.4%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)78.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology8 basins · 4 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
82,0km
Lake surface here
346,51km²
Basins crossed
8
Max stream order
8
Max drainage
582 338km²
Discharge in basins
8 075,4m³/s
Mean precip.
809mm/an
Mean T°
9,2°C
Moisture idx
-0,12
Max snow
16%
Mean runoff
155mm/an
Mean elev. (basins)
179m
Watersheds crossing here
- Bassin de Johnston Channelsub-area265 km²overlap221.61 km²46%
- Bassin de Saint Clair Riversub-area2 256,8 km²overlap91.73 km²19%
- Basin #80630sub-area89,7 km²overlap66.98 km²14%
- Bassin de Canoe Cutsub-area152,7 km²overlap65.59 km²14%
- Basin #80640sub-area151,2 km²overlap26.52 km²6%
- Bassin de Jeannettes Creeksub-area1 693,2 km²overlap5.32 km²1%
- Bassin de Maxwell Creeksub-area25,4 km²overlap3.66 km²1%
- Bassin de Danforth Creeksub-area289,8 km²overlap0.00 km²0%
Lakes (4, top by area)
Rivers / streams (8, ord ≥ 4)
- Johnston Channelord 2len here23.73 km88%total27 km
- Saint Clair Riverord 8len here18.58 km20%total95 km
- Bassett Channelord 1len here12.86 km100%total13 km
- Swift Channelord 2len here9.31 km100%total9 km
- Chenail Ecarté (The Snye)ord 4len here7.49 km90%total8 km
- Canoe Cutord 4len here5.47 km36%total15 km
- Lake Saint Clair flowlineord 8len here2.59 km79%total3 km
- Maxwell Creekord 4len here1.94 km9%total21 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
2,3%
Pesticides
30,2kg/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