HydroBASINS lev08 watershed · #7080325050
Bassin de Rivière Pikauba
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 4 administrative regions : Charlevoix, La Côte-de-Beaupré, Lac-Saint-Jean-Est, Le Fjord-du-Saguenay
Sub-basin area
1 258,8km²
Upstream area
1 259,1km²
Discharge
31,98m³/s
Mean elev.
722m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 539.3 km²42.7% of basin
- 348.4 km²27.6% of basin
- 268.6 km²21.3% of basin
- 106.1 km²8.4% of basin
18 intersecting protected areas
02352R009 Biological Refuge
IUCN IVBiological refuge
4.07 km² overlap
02352R015 Biological Refuge
IUCN IVBiological refuge
3.73 km² overlap
02352R008 Biological Refuge
IUCN IVBiological refuge
2.83 km² overlap
02352R018 Biological Refuge
IUCN IVBiological refuge
1.96 km² overlap
02352R017 Biological Refuge
IUCN IVBiological refuge
1.61 km² overlap
02352R013 Biological Refuge
IUCN IVBiological refuge
1.52 km² overlap
03351R009 Biological Refuge
IUCN IVBiological refuge
1.49 km² overlap
Rare forest ecosystem
1.44 km² overlap
02352R020 Biological Refuge
IUCN IVBiological refuge
1.37 km² overlap
9 more protected areassorted by overlap area
02352R016 Biological Refuge
IUCN IVBiological refuge
1.35 km² overlap
02352R007 Biological Refuge
IUCN IVBiological refuge
1.34 km² overlap
02352R019 Biological Refuge
IUCN IVBiological refuge
1.30 km² overlap
02352R006 Biological Refuge
IUCN IVBiological refuge
1.22 km² overlap
02352R002 Biological Refuge
IUCN IVBiological refuge
1.20 km² overlap
02352R001 Biological Refuge
IUCN IVBiological refuge
1.03 km² overlap
03351R010 Biological Refuge
IUCN IVBiological refuge
1.00 km² overlap
02352R003 Biological Refuge
IUCN IVBiological refuge
0.76 km² overlap
Ecological reserve
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
670 distinct species · 10 706 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Pikauba : 24 espèces reliées par 82 interactions GloBI sur 3 types (connectance 14.6%, filtre Serrano α=0.2). 10 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°
0,5°C
Annual rain
1 240mm
Moisture idx (CMI)
0,49
Runoff
806mm/an
PET
631mm
AET
608mm
Mean slope
6,5°
Water table
142cm
Forest
94%
Crops
0%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)