HydroBASINS lev08 watershed · #7080648320
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 : Muskogee, Sequoyah
Sub-basin area
67,7km²
Upstream area
245 087,5km²
Discharge
751,14m³/s
Mean elev.
190m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arkansas River258 km²
- Bassin de Greenleaf Creek251 km²
2 dept-equivalent regions (GADM L2)
- MuskogeeOklahoma · United States53.0 km²78.2% of basin
- SequoyahOklahoma · United States14.7 km²21.8% of basin
1 intersecting protected areas
McClellan Kerr
IUCN VWildlife Management Area
0.99 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
279 distinct species · 594 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 51 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 : 40 espèces reliées par 132 interactions GloBI sur 4 types (connectance 10.0%, filtre Serrano α=0.2). 12 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°
15,8°C
Annual rain
1 119mm
Moisture idx (CMI)
-0,16
Runoff
280mm/an
PET
1 334mm
AET
946mm
Mean slope
3,2°
Water table
254cm
Forest
56%
Crops
26%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)