HydroBASINS lev08 watershed · #7080375210
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
1 022,8km²
Upstream area
51 586,4km²
Discharge
700,91m³/s
Mean elev.
308m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
2 dept-equivalent regions (GADM L2)
- 564.8 km²55.1% of basin
- 460.6 km²44.9% of basin
7 intersecting protected areas
Proposed biodiversity reserve
112.34 km² overlap
Land set aside Basses-Collines-du-Ruisseau-Serpent
IUCN Not ReportedLand set aside
72.87 km² overlap
White-tailed deer yard
23.41 km² overlap
Provincial Park
19.33 km² overlap
08151R011 Biological Refuge
IUCN IVBiological refuge
1.91 km² overlap
Provincial Park
1.73 km² overlap
08151R007 Biological Refuge
IUCN IVBiological refuge
1.13 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
694 distinct species · 5 733 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 106 interactions GloBI sur 4 types (connectance 10.7%, filtre Serrano α=0.2). 14 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
916mm
Moisture idx (CMI)
0,14
Runoff
423mm/an
PET
784mm
AET
617mm
Mean slope
5,2°
Water table
157cm
Forest
97%
Crops
0%
Urban
0%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)