HydroBASINS lev08 watershed · #8080291330
Bassin de Petitot 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 : Fort Smith, Northern Rockies
Sub-basin area
2 189,4km²
Upstream area
20 313,1km²
Discharge
89,82m³/s
Mean elev.
472m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Dilly Creek756 km²
- Bassin de Petitot River140 km²
2 dept-equivalent regions (GADM L2)
- 1287.0 km²58.5% of basin
- Fort Smith914.6 km²41.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
48 distinct species · 62 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 20 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 Petitot River : 16 espèces reliées par 22 interactions GloBI sur 2 types (connectance 11.6%, filtre Serrano α=0.2). 4 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°
-2,9°C
Annual rain
423mm
Moisture idx (CMI)
-0,30
Runoff
241mm/an
PET
603mm
AET
366mm
Mean slope
1,2°
Water table
14cm
Forest
72%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)