HydroBASINS lev08 watershed · #7080375570
Bassin de St. Marys River
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 5 administrative regions across 2 countries : Algoma, Chippewa, Lake Hurron, Lake Superior
Sub-basin area
1 014,9km²
Upstream area
209 635,8km²
Discharge
3 706,13m³/s
Mean elev.
214m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Goulais River2305 km²
- Bassin · #70803692500 km²
5 dept-equivalent regions (GADM L2)
- 606.7 km²59.6% of basin
- 239.5 km²23.5% of basin
- 68.4 km²6.7% of basin
- 51.8 km²5.1% of basin
- 51.0 km²5.0% of basin
30 intersecting protected areas
State Forest
62.98 km² overlap
Delirium
IUCN IbWilderness
31.52 km² overlap
Reserve Program
5.71 km² overlap
Round Island Point
IUCN VNature Preserve
4.03 km² overlap
Nature Preserve
3.79 km² overlap
Bailey - Lagerstrom
IUCN VNature Preserve
1.80 km² overlap
Nature Preserve
1.37 km² overlap
Reserve Program
1.17 km² overlap
Local Conservation Area
0.92 km² overlap
21 more protected areassorted by overlap area
Hobbins Meyer
IUCN VNature Preserve
0.88 km² overlap
Sault Ste. Marie Water Lot
IUCN Not ApplicableTransport Canada Conservation Area
0.86 km² overlap
MNRTF Parcel 66
IUCN VConservation Area
0.62 km² overlap
Soo Muskeg
IUCN VNature Preserve
0.33 km² overlap
06-17-0095
IUCN Not AssignedConservation Easement
0.29 km² overlap
90-04-0048
IUCN Not AssignedConservation Easement
0.28 km² overlap
Lower River Islands
IUCN VLocal Conservation Area
0.25 km² overlap
95-04-0111
IUCN Not AssignedConservation Easement
0.20 km² overlap
14-17-0068
IUCN Not AssignedConservation Easement
0.20 km² overlap
James Donaldson Moore
IUCN VNature Preserve
0.17 km² overlap
00-17-0202
IUCN Not AssignedConservation Easement
0.13 km² overlap
Farm Service Agency Interest Of Mi
IUCN Not AssignedConservation Easement
0.11 km² overlap
06-17-0098
IUCN Not AssignedConservation Easement
0.07 km² overlap
Farm Service Agency Interest Of Mi
IUCN Not AssignedConservation Easement
0.04 km² overlap
04-17-0010
IUCN Not AssignedConservation Easement
0.04 km² overlap
09-17-0061
IUCN Not AssignedConservation Easement
0.04 km² overlap
98-04-0132
IUCN Not AssignedConservation Easement
0.04 km² overlap
00-17-0021
IUCN Not AssignedConservation Easement
0.04 km² overlap
06-17-0040
IUCN Not AssignedConservation Easement
0.02 km² overlap
01-17-0133
IUCN Not AssignedConservation Easement
0.02 km² overlap
05-17-0003
IUCN Not AssignedConservation Easement
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 165 distinct species · 317 616 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de St. Marys River : 22 espèces reliées par 78 interactions GloBI sur 4 types (connectance 13.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
4,3°C
Annual rain
869mm
Moisture idx (CMI)
0,11
Runoff
493mm/an
PET
774mm
AET
599mm
Mean slope
0,8°
Water table
48cm
Forest
47%
Crops
12%
Urban
5%
Protected
15%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)