HydroBASINS lev08 watershed · #7080379050
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 : Nipissing, Renfrew, Témiscamingue
Sub-basin area
2 475,9km²
Upstream area
56 365,8km²
Discharge
759,96m³/s
Mean elev.
318m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
3 dept-equivalent regions (GADM L2)
- 1447.5 km²58.3% of basin
- 553.9 km²22.3% of basin
- 480.7 km²19.4% of basin
28 intersecting protected areas
Proposed biodiversity reserve
89.63 km² overlap
White-tailed deer yard
62.07 km² overlap
Provincial Park
16.63 km² overlap
Provincial Park
14.44 km² overlap
Proposed aquatic reserve
9.68 km² overlap
Provincial Park
6.71 km² overlap
Conservation Reserve
5.16 km² overlap
Lac-Percival Old-Growth Forest
IUCN IIIOld-growth forest
3.42 km² overlap
Conservation Reserve
2.69 km² overlap
19 more protected areassorted by overlap area
08151R025 Biological Refuge
IUCN IVBiological refuge
2.23 km² overlap
08151R044 Biological Refuge
IUCN IVBiological refuge
1.94 km² overlap
08151R028 Biological Refuge
IUCN IVBiological refuge
1.64 km² overlap
08151R027 Biological Refuge
IUCN IVBiological refuge
1.58 km² overlap
08151R013 Biological Refuge
IUCN IVBiological refuge
1.26 km² overlap
08151R045 Biological Refuge
IUCN IVBiological refuge
1.19 km² overlap
08151R026 Biological Refuge
IUCN IVBiological refuge
1.18 km² overlap
08151R012 Biological Refuge
IUCN IVBiological refuge
1.15 km² overlap
08151R056 Biological Refuge
IUCN IVBiological refuge
1.07 km² overlap
Provincial Park
1.04 km² overlap
08151R043 Biological Refuge
IUCN IVBiological refuge
0.95 km² overlap
08151R057 Biological Refuge
IUCN IVBiological refuge
0.68 km² overlap
08151R023 Biological Refuge
IUCN IVBiological refuge
0.68 km² overlap
08151R046 Biological Refuge
IUCN IVBiological refuge
0.66 km² overlap
08151R024 Biological Refuge
IUCN IVBiological refuge
0.65 km² overlap
08151R037 Biological Refuge
IUCN IVBiological refuge
0.54 km² overlap
08151R022 Biological Refuge
IUCN IVBiological refuge
0.53 km² overlap
08151R040 Biological Refuge
IUCN IVBiological refuge
0.15 km² overlap
Land set aside Rivière-Dumoine
IUCN Not ReportedLand set aside
0.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 343 distinct species · 30 194 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 4 types (connectance 12.9%, 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°
3,2°C
Annual rain
905mm
Moisture idx (CMI)
0,12
Runoff
378mm/an
PET
799mm
AET
619mm
Mean slope
4,3°
Water table
149cm
Forest
96%
Crops
0%
Urban
0%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)