HydroBASINS lev08 watershed · #7080596900
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 3 administrative regions : Harvey, Reno, Sedgwick
Sub-basin area
991,1km²
Upstream area
100 012,9km²
Discharge
54,26m³/s
Mean elev.
450m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Cow Creek2228 km²
- Bassin de Arkansas River21 km²
3 dept-equivalent regions (GADM L2)
- 575.8 km²58.1% of basin
- 355.1 km²35.8% of basin
- 60.8 km²6.1% of basin
2 intersecting protected areas
Reserve Program
0.61 km² overlap
Dillon
IUCN VNature Center
0.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 589 distinct species · 124 581 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 : 19 espèces reliées par 65 interactions GloBI sur 3 types (connectance 16.0%, filtre Serrano α=0.2). 10 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°
13,2°C
Annual rain
766mm
Moisture idx (CMI)
-0,37
Runoff
138mm/an
PET
1 225mm
AET
650mm
Mean slope
0,2°
Water table
35cm
Forest
2%
Crops
81%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)