HydroBASINS lev08 watershed · #7080318810
Bassin de Rivière Pascagama
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 : Le Haut-Saint-Maurice, Nord-du-Québec, Vallée-de-l'Or
Sub-basin area
882,1km²
Upstream area
882,1km²
Discharge
15,06m³/s
Mean elev.
433m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 695.3 km²78.6% of basin
- 139.3 km²15.7% of basin
- 50.2 km²5.7% of basin
9 intersecting protected areas
08451R019 Biological Refuge
IUCN IVBiological refuge
1.88 km² overlap
02651R020 Biological Refuge
IUCN IVBiological refuge
1.73 km² overlap
08751R001 Biological Refuge
IUCN IVBiological refuge
1.57 km² overlap
02651R019 Biological Refuge
IUCN IVBiological refuge
1.53 km² overlap
02651R021 Biological Refuge
IUCN IVBiological refuge
1.28 km² overlap
02651R007 Biological Refuge
IUCN IVBiological refuge
1.21 km² overlap
02651R025 Biological Refuge
IUCN IVBiological refuge
1.12 km² overlap
02651R009 Biological Refuge
IUCN IVBiological refuge
1.12 km² overlap
02651R004 Biological Refuge
IUCN IVBiological refuge
0.41 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
105 distinct species · 354 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Pascagama : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 50 interactions GloBI sur 2 types (connectance 11.5%, filtre Serrano α=0.2). 9 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°
0,4°C
Annual rain
996mm
Moisture idx (CMI)
0,34
Runoff
555mm/an
PET
658mm
AET
576mm
Mean slope
2,3°
Water table
35cm
Forest
98%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)