HydroBASINS lev08 watershed · #7080250990
Bassin de Sandy River
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 : Division No. 18, Division No. 19
Sub-basin area
934,3km²
Upstream area
139 661,4km²
Discharge
962,38m³/s
Mean elev.
238m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Black River1236 km²
- Bassin de Jackfish Creek561 km²
2 dept-equivalent regions (GADM L2)
- 920.3 km²98.1% of basin
- 17.4 km²1.9% of basin
2 intersecting protected areas
Wildlife Management Area
46.68 km² overlap
Provincial Park
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
229 distinct species · 915 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Sandy River : 28 espèces reliées par 123 interactions GloBI sur 5 types (connectance 11.9%, filtre Serrano α=0.2). 18 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°
1,4°C
Annual rain
540mm
Moisture idx (CMI)
-0,24
Runoff
60mm/an
PET
713mm
AET
458mm
Mean slope
0,3°
Water table
2cm
Forest
48%
Crops
0%
Urban
0%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)