HydroBASINS lev08 watershed · #7080400370
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 3 administrative regions : Ottawa, Pontiac, Renfrew
Sub-basin area
17,2km²
Upstream area
87 203,4km²
Discharge
1 130,3m³/s
Mean elev.
82m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Madawaska River642 km²
- Bassin de Locha Creek362 km²
3 dept-equivalent regions (GADM L2)
- 8.3 km²48.3% of basin
- 6.7 km²38.7% of basin
- 2.2 km²13.0% of basin
4 intersecting protected areas
Natural Area Under Private Stewardship
0.22 km² overlap
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
0.04 km² overlap
Natural Area Under Private Stewardship
0.04 km² overlap
Natural Area Under Private Stewardship
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
591 distinct species · 7 154 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 reliées par 93 interactions GloBI sur 4 types (connectance 12.6%, 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°
5,6°C
Annual rain
812mm
Moisture idx (CMI)
-0,02
Runoff
328mm/an
PET
826mm
AET
604mm
Mean slope
0,7°
Water table
55cm
Forest
29%
Crops
28%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)