HydroBASINS lev08 watershed · #7080679700
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 : Jefferson, Lincoln
Sub-basin area
127,7km²
Upstream area
405 750km²
Discharge
1 267,92m³/s
Mean elev.
54m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arkansas River778 km²
- Bassin de Arkansas River267 km²
2 dept-equivalent regions (GADM L2)
- LincolnArkansas · United States70.2 km²55.0% of basin
- JeffersonArkansas · United States57.4 km²45.0% of basin
1 intersecting protected areas
Reserve Program
0.60 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
248 distinct species · 429 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 49 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 : 34 espèces reliées par 110 interactions GloBI sur 4 types (connectance 9.4%, filtre Serrano α=0.2). 15 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°
17,1°C
Annual rain
1 290mm
Moisture idx (CMI)
-0,04
Runoff
597mm/an
PET
1 340mm
AET
986mm
Mean slope
0,2°
Water table
13cm
Forest
26%
Crops
52%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)