HydroBASINS lev08 watershed · #7080152380
Bassin de Montreal 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 1 administrative regions : Division No. 18
Sub-basin area
811,7km²
Upstream area
5 941,2km²
Discharge
19,36m³/s
Mean elev.
470m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin de Weyakwin River699 km²
- Bassin · #7080165770562 km²
- Bassin · #7080165620431 km²
1 dept-equivalent regions (GADM L2)
- Division No. 18815.4 km²100.0% of basin
1 intersecting protected areas
Montreal River Recreation Site
IUCN Not ApplicableRecreation Site
0.28 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
125 distinct species · 230 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Montreal River : 35 espèces reliées par 95 interactions GloBI sur 5 types (connectance 9.2%, filtre Serrano α=0.2). 11 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°
-0,7°C
Annual rain
490mm
Moisture idx (CMI)
-0,24
Runoff
135mm/an
PET
648mm
AET
419mm
Mean slope
0,6°
Water table
17cm
Forest
81%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)