HydroBASINS lev08 watershed · #7080547090
Bassin de Grand 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 1 administrative regions : Livingston
Sub-basin area
75,9km²
Upstream area
12 734,1km²
Discharge
93,98m³/s
Mean elev.
228m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Grand River1468 km²
- Bassin de Thompson River374 km²
1 dept-equivalent regions (GADM L2)
- Livingston76.0 km²100.0% of basin
3 intersecting protected areas
Reserve Program
0.81 km² overlap
Reserve Program
0.43 km² overlap
Access
0.09 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
297 distinct species · 7 434 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 Grand River : 25 espèces reliées par 120 interactions GloBI sur 4 types (connectance 17.1%, 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°
11,5°C
Annual rain
938mm
Moisture idx (CMI)
-0,17
Runoff
231mm/an
PET
1 128mm
AET
793mm
Mean slope
0,9°
Water table
73cm
Forest
0%
Crops
62%
Urban
11%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)