HydroBASINS lev08 watershed · #7080650840
Bassin de Arkansas 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 : Haskell, Sequoyah
Sub-basin area
65,6km²
Upstream area
373 249,7km²
Discharge
1 001,22m³/s
Mean elev.
161m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Canadian River1019 km²
- Bassin de Arkansas River104 km²
2 dept-equivalent regions (GADM L2)
- HaskellOklahoma · United States52.0 km²79.3% of basin
- SequoyahOklahoma · United States13.6 km²20.7% of basin
1 intersecting protected areas
McClellan Kerr
IUCN VWildlife Management Area
0.34 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
97 distinct species · 129 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Arkansas River : 32 espèces reliées par 80 interactions GloBI sur 3 types (connectance 9.8%, filtre Serrano α=0.2). 9 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°
16,2°C
Annual rain
1 138mm
Moisture idx (CMI)
-0,16
Runoff
289mm/an
PET
1 355mm
AET
963mm
Mean slope
1,1°
Water table
95cm
Forest
5%
Crops
44%
Urban
0%
Protected
17%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)