HydroBASINS lev08 watershed · #7080263530
Bassin de Petite rivière des Perdrix Blanches
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 1 administrative regions : Le Fjord-du-Saguenay
Sub-basin area
1 414km²
Upstream area
1 414km²
Discharge
28,5m³/s
Mean elev.
548m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 1419.0 km²100.0% of basin
12 intersecting protected areas
Proposed biodiversity reserve
184.85 km² overlap
02451R057 Biological Refuge
IUCN IVBiological refuge
5.87 km² overlap
02451R055 Biological Refuge
IUCN IVBiological refuge
5.12 km² overlap
02451R060 Biological Refuge
IUCN IVBiological refuge
4.50 km² overlap
02451R061 Biological Refuge
IUCN IVBiological refuge
3.09 km² overlap
02451R054 Biological Refuge
IUCN IVBiological refuge
2.42 km² overlap
02451R065 Biological Refuge
IUCN IVBiological refuge
2.34 km² overlap
02452R058 Biological Refuge
IUCN IVBiological refuge
2.33 km² overlap
Old-growth forest
2.05 km² overlap
3 more protected areassorted by overlap area
02451R059 Biological Refuge
IUCN IVBiological refuge
1.14 km² overlap
02452R061 Biological Refuge
IUCN IVBiological refuge
0.95 km² overlap
02452R057 Biological Refuge
IUCN IVBiological refuge
0.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 distinct species · 13 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 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 Petite rivière des Perdrix Blanches : 4 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
-1,7°C
Annual rain
937mm
Moisture idx (CMI)
0,39
Runoff
689mm/an
PET
569mm
AET
528mm
Mean slope
3,0°
Water table
57cm
Forest
65%
Crops
0%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)