HydroBASINS lev08 watershed · #7080366960
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 : Nipissing, Témiscamingue
Sub-basin area
1 170,8km²
Upstream area
49 149,6km²
Discharge
676,93m³/s
Mean elev.
294m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
2 dept-equivalent regions (GADM L2)
- 728.6 km²62.1% of basin
- 445.4 km²37.9% of basin
11 intersecting protected areas
Quebec's national park
179.38 km² overlap
Conservation Reserve
16.52 km² overlap
Conservation Reserve
6.90 km² overlap
Conservation Reserve
5.79 km² overlap
Conservation Reserve
3.55 km² overlap
Conservation Reserve
1.04 km² overlap
08152R018 Biological Refuge
IUCN IVBiological refuge
0.58 km² overlap
08152R060 Biological Refuge
IUCN IVBiological refuge
0.53 km² overlap
08151R001 Biological Refuge
IUCN IVBiological refuge
0.52 km² overlap
2 more protected areassorted by overlap area
Lac-Taggart Old-Growth Forest
IUCN IIIOld-growth forest
0.39 km² overlap
Conservation Reserve
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 141 distinct species · 16 418 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 : 31 espèces reliées par 90 interactions GloBI sur 4 types (connectance 10.5%, 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°
3,4°C
Annual rain
899mm
Moisture idx (CMI)
0,16
Runoff
481mm/an
PET
753mm
AET
600mm
Mean slope
3,1°
Water table
82cm
Forest
93%
Crops
0%
Urban
0%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)