HydroBASINS lev08 watershed · #7080315040
Bassin de Rivière Ouiatchouan
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 3 administrative regions : Lac-Saint-Jean-Est, Le Domaine-du-Roy, Le Haut-Saint-Maurice
Sub-basin area
1 336,1km²
Upstream area
1 336,4km²
Discharge
25,16m³/s
Mean elev.
321m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1235.5 km²92.2% of basin
- 61.1 km²4.6% of basin
- 43.6 km²3.3% of basin
15 intersecting protected areas
02251R042 Biological Refuge
IUCN IVBiological refuge
3.40 km² overlap
Land reserved for protected area
2.65 km² overlap
02251R020 Biological Refuge
IUCN IVBiological refuge
2.06 km² overlap
02251R040 Biological Refuge
IUCN IVBiological refuge
2.06 km² overlap
02251R034 Biological Refuge
IUCN IVBiological refuge
1.67 km² overlap
02251R036 Biological Refuge
IUCN IVBiological refuge
1.59 km² overlap
02251R038 Biological Refuge
IUCN IVBiological refuge
1.32 km² overlap
02251R037 Biological Refuge
IUCN IVBiological refuge
1.23 km² overlap
02251R032 Biological Refuge
IUCN IVBiological refuge
1.21 km² overlap
6 more protected areassorted by overlap area
02251R033 Biological Refuge
IUCN IVBiological refuge
1.16 km² overlap
02251R045 Biological Refuge
IUCN IVBiological refuge
1.14 km² overlap
02251R043 Biological Refuge
IUCN IVBiological refuge
1.12 km² overlap
02251R044 Biological Refuge
IUCN IVBiological refuge
1.08 km² overlap
Muskrat habitat
0.20 km² overlap
Muskrat habitat
0.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 155 distinct species · 74 242 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 Ouiatchouan : 22 espèces reliées par 79 interactions GloBI sur 4 types (connectance 15.0%, 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°
2,1°C
Annual rain
941mm
Moisture idx (CMI)
0,26
Runoff
584mm/an
PET
696mm
AET
586mm
Mean slope
3,0°
Water table
53cm
Forest
66%
Crops
1%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)