HydroBASINS lev08 watershed · #8080287580
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
280,1km²
Upstream area
4 067,3km²
Discharge
5,03m³/s
Mean elev.
187m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
1 dept-equivalent regions (GADM L2)
- Fort Smith281.7 km²100.0% of basin
3 intersecting protected areas
Wood Buffalo National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
93.73 km² overlap
National Park
93.68 km² overlap
Whooping Crane Summer Range
IUCN Not ReportedWetland of International Importance (Ramsar Site)
90.73 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
36 distinct species · 70 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 8 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 : 7 espèces reliées par 5 interactions GloBI sur 3 types (connectance 17.9%, 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°
-3,0°C
Annual rain
340mm
Moisture idx (CMI)
-0,40
Runoff
10mm/an
PET
570mm
AET
301mm
Mean slope
1,0°
Water table
12cm
Forest
25%
Crops
0%
Urban
0%
Protected
33%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)