HydroBASINS lev08 watershed · #8080277910
Bassin de Little Buffalo 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 : Fort Smith
Sub-basin area
948km²
Upstream area
8 689,8km²
Discharge
9,53m³/s
Mean elev.
180m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sass River2701 km²
- Bassin de Little Buffalo River415 km²
1 dept-equivalent regions (GADM L2)
- Fort Smith953.4 km²100.0% of basin
3 intersecting protected areas
National Park
701.08 km² overlap
Wood Buffalo National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
700.13 km² overlap
Whooping Crane Summer Range
IUCN Not ReportedWetland of International Importance (Ramsar Site)
677.81 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
16 distinct species · 22 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 6 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 Little Buffalo River : 5 espèces reliées par 5 interactions GloBI sur 1 type (connectance 33.3%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
-3,4°C
Annual rain
332mm
Moisture idx (CMI)
-0,39
Runoff
5mm/an
PET
540mm
AET
293mm
Mean slope
0,9°
Water table
12cm
Forest
25%
Crops
0%
Urban
0%
Protected
73%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)