HydroBASINS lev08 watershed · #7080620650
Bassin de Salt Fork 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 3 administrative regions : Alfalfa, Garfield, Grant
Sub-basin area
927,7km²
Upstream area
10 033,6km²
Discharge
33,36m³/s
Mean elev.
349m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
3 dept-equivalent regions (GADM L2)
- GrantOklahoma · United States563.8 km²60.8% of basin
- GarfieldOklahoma · United States361.9 km²39.0% of basin
- AlfalfaOklahoma · United States2.2 km²0.2% of basin
3 intersecting protected areas
Conservation Easement
1.60 km² overlap
Reserve Program
0.53 km² overlap
Private Conservation Land
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
299 distinct species · 2 882 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Salt Fork Arkansas River : 30 espèces reliées par 73 interactions GloBI sur 4 types (connectance 9.9%, 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°
14,7°C
Annual rain
778mm
Moisture idx (CMI)
-0,41
Runoff
134mm/an
PET
1 309mm
AET
659mm
Mean slope
0,4°
Water table
81cm
Forest
2%
Crops
70%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)