HydroBASINS lev08 watershed · #7080261720
Bassin de Rivière Broadback
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 : Nord-du-Québec
Sub-basin area
2 414,3km²
Upstream area
8 251,9km²
Discharge
151,53m³/s
Mean elev.
320m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Assinica3374 km²
- Bassin de Rivière Broadback2463 km²
1 dept-equivalent regions (GADM L2)
- 2422.9 km²100.0% of basin
12 intersecting protected areas
Land reserved for protected area
273.28 km² overlap
Quebec's national park reserve
236.76 km² overlap
Proposed biodiversity reserve
49.07 km² overlap
Land reserved for protected area
6.99 km² overlap
02661R070 Biological Refuge
IUCN IVBiological refuge
4.73 km² overlap
02661R029 Biological Refuge
IUCN IVBiological refuge
3.73 km² overlap
08666R022 Biological Refuge
IUCN IVBiological refuge
2.21 km² overlap
02661R081 Biological Refuge
IUCN IVBiological refuge
1.83 km² overlap
08666R032 Biological Refuge
IUCN IVBiological refuge
1.38 km² overlap
3 more protected areassorted by overlap area
08666R017 Biological Refuge
IUCN IVBiological refuge
1.16 km² overlap
Lac Amisquioumisca Heronry
IUCN VIHeronry
0.43 km² overlap
02661R030 Biological Refuge
IUCN IVBiological refuge
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
148 distinct species · 418 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Broadback : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 73 interactions GloBI sur 3 types (connectance 13.8%, 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°
-1,1°C
Annual rain
870mm
Moisture idx (CMI)
0,30
Runoff
562mm/an
PET
608mm
AET
522mm
Mean slope
2,1°
Water table
37cm
Forest
75%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)