HydroBASINS lev08 watershed · #7080345970
Bassin de Rivière Bostonnais
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 Jacques-Cartier, Le Haut-Saint-Maurice
Sub-basin area
1 436,9km²
Upstream area
1 437km²
Discharge
28,06m³/s
Mean elev.
403m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1430.1 km²99.2% of basin
- 11.0 km²0.8% of basin
21 intersecting protected areas
Land reserved for protected area
47.98 km² overlap
Proposed biodiversity reserve
28.59 km² overlap
Land reserved for protected area
26.53 km² overlap
04251R002 Biological Refuge
IUCN IVBiological refuge
2.80 km² overlap
04251R076 Biological Refuge
IUCN IVBiological refuge
2.61 km² overlap
04251R108 Biological Refuge
IUCN IVBiological refuge
1.78 km² overlap
04251R907 Biological Refuge
IUCN IVBiological refuge
1.67 km² overlap
Old-growth forest
1.41 km² overlap
04251R001 Biological Refuge
IUCN IVBiological refuge
1.41 km² overlap
12 more protected areassorted by overlap area
04251R158 Biological Refuge
IUCN IVBiological refuge
1.30 km² overlap
04251R191 Biological Refuge
IUCN IVBiological refuge
1.16 km² overlap
04251R122 Biological Refuge
IUCN IVBiological refuge
1.14 km² overlap
04251R192 Biological Refuge
IUCN IVBiological refuge
1.06 km² overlap
04251R110 Biological Refuge
IUCN IVBiological refuge
1.05 km² overlap
04251R003 Biological Refuge
IUCN IVBiological refuge
1.01 km² overlap
Old-growth forest
0.86 km² overlap
04251R203 Biological Refuge
IUCN IVBiological refuge
0.79 km² overlap
04251R148 Biological Refuge
IUCN IVBiological refuge
0.71 km² overlap
Proposed biodiversity reserve
0.57 km² overlap
04251R012 Biological Refuge
IUCN IVBiological refuge
0.26 km² overlap
04251R202 Biological Refuge
IUCN IVBiological refuge
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
347 distinct species · 8 895 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 Bostonnais : 22 espèces reliées par 85 interactions GloBI sur 4 types (connectance 14.3%, filtre Serrano α=0.2). 13 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°
2,3°C
Annual rain
1 045mm
Moisture idx (CMI)
0,31
Runoff
632mm/an
PET
720mm
AET
621mm
Mean slope
5,3°
Water table
103cm
Forest
95%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)