HydroBASINS lev08 watershed · #7080388530
Bassin de Ottawa River / Rivière des Outaouais
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 2 administrative regions : Pontiac, Renfrew
Sub-basin area
101km²
Upstream area
69 158,7km²
Discharge
924,37m³/s
Mean elev.
142m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Indian River1336 km²
- Bassin de Chenal de la Culbute2 km²
2 dept-equivalent regions (GADM L2)
- 54.0 km²53.3% of basin
- 47.2 km²46.7% of basin
4 intersecting protected areas
White-tailed deer yard
7.37 km² overlap
Water fowl gathering area
1.56 km² overlap
Ecological reserve
0.94 km² overlap
Mont-de-Davidson Forest Refuge
IUCN IIIForest refuge
0.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
652 distinct species · 7 111 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Ottawa River / Rivière des Outaouais : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 92 interactions GloBI sur 4 types (connectance 13.1%, 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°
5,0°C
Annual rain
839mm
Moisture idx (CMI)
0,01
Runoff
344mm/an
PET
833mm
AET
613mm
Mean slope
2,8°
Water table
112cm
Forest
63%
Crops
13%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)