HydroBASINS lev08 watershed · #7080301680
Bassin de Rivière Boucher
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 2 administrative regions : La Haute-Côte-Nord, Manicouagan
Sub-basin area
1 471,1km²
Upstream area
1 471,3km²
Discharge
29,18m³/s
Mean elev.
426m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 956.3 km²64.8% of basin
- 519.6 km²35.2% of basin
8 intersecting protected areas
Proposed biodiversity reserve
245.55 km² overlap
Land set aside Brûlis-du-Lac-Frégate
IUCN Not ReportedLand set aside
15.14 km² overlap
09351R001 Biological Refuge
IUCN IVBiological refuge
2.96 km² overlap
09751R030 Biological Refuge
IUCN IVBiological refuge
2.39 km² overlap
09751R303 Biological Refuge
IUCN IVBiological refuge
1.93 km² overlap
09751R308 Biological Refuge
IUCN IVBiological refuge
1.89 km² overlap
09751R302 Biological Refuge
IUCN IVBiological refuge
1.31 km² overlap
09751R035 Biological Refuge
IUCN IVBiological refuge
1.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
69 distinct species · 98 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Boucher : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 5.4%, filtre Serrano α=0.2). 5 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°
-0,2°C
Annual rain
984mm
Moisture idx (CMI)
0,34
Runoff
623mm/an
PET
646mm
AET
560mm
Mean slope
6,4°
Water table
127cm
Forest
19%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)