HydroBASINS lev08 watershed · #7080394010
Bassin de Rivière au Saumon
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 4 administrative regions across 2 countries : Coos, Le Granit, Le Haut-Saint-François, Oxford
Sub-basin area
1 039,5km²
Upstream area
1 039,5km²
Discharge
23,73m³/s
Mean elev.
466m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 760.5 km²73.0% of basin
- 268.9 km²25.8% of basin
- 8.7 km²0.8% of basin
- 3.8 km²0.4% of basin
9 intersecting protected areas
Quebec's national park
57.79 km² overlap
Ecological reserve
7.27 km² overlap
Muskrat habitat
2.00 km² overlap
Muskrat habitat
1.12 km² overlap
Easement
0.75 km² overlap
03452R002 Biological Refuge
IUCN IVBiological refuge
0.53 km² overlap
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
0.15 km² overlap
Muskrat habitat
0.13 km² overlap
Fourth Connecticut Lake
IUCN VPreserve
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 450 distinct species · 52 074 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Rivière au Saumon : 22 espèces reliées par 93 interactions GloBI sur 4 types (connectance 14.8%, filtre Serrano α=0.2). 14 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°
3,3°C
Annual rain
1 058mm
Moisture idx (CMI)
0,29
Runoff
740mm/an
PET
748mm
AET
656mm
Mean slope
3,7°
Water table
118cm
Forest
97%
Crops
2%
Urban
0%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)