HydroBASINS lev08 watershed · #7080303790
Bassin de Rivière Octave
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 : Abitibi, Abitibi-Ouest, Nord-du-Québec
Sub-basin area
1 004km²
Upstream area
1 004,2km²
Discharge
15,1m³/s
Mean elev.
310m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 562.0 km²55.8% of basin
- 349.2 km²34.7% of basin
- 96.0 km²9.5% of basin
11 intersecting protected areas
Chicobi Land set aside
IUCN Not ReportedLand set aside
186.45 km² overlap
Chicobi Ecological Reserve
IUCN IaEcological reserve
20.34 km² overlap
Ecological reserve
2.62 km² overlap
Ecological reserve
2.58 km² overlap
08551R018 Biological Refuge
IUCN IVBiological refuge
2.00 km² overlap
08651R026 Biological Refuge
IUCN IVBiological refuge
1.72 km² overlap
08651R027 Biological Refuge
IUCN IVBiological refuge
1.07 km² overlap
08651R030 Biological Refuge
IUCN IVBiological refuge
1.03 km² overlap
Proposed aquatic reserve
0.22 km² overlap
2 more protected areassorted by overlap area
Ecological reserve
0.02 km² overlap
08651R023 Biological Refuge
IUCN IVBiological refuge
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
822 distinct species · 5 988 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 Rivière Octave : 21 espèces reliées par 97 interactions GloBI sur 3 types (connectance 15.4%, filtre Serrano α=0.2). 15 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°
0,6°C
Annual rain
882mm
Moisture idx (CMI)
0,22
Runoff
509mm/an
PET
688mm
AET
569mm
Mean slope
1,2°
Water table
14cm
Forest
91%
Crops
0%
Urban
0%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)