HydroBASINS lev08 watershed · #7080586660
Bassin de Little 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 5 administrative regions : Ellsworth, Harvey, McPherson, Reno, Rice
Sub-basin area
879,7km²
Upstream area
879,8km²
Discharge
3,13m³/s
Mean elev.
492m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 499.2 km²56.7% of basin
- 188.6 km²21.4% of basin
- 160.9 km²18.3% of basin
- 21.3 km²2.4% of basin
- 10.2 km²1.2% of basin
2 intersecting protected areas
Ferris Demonstration
IUCN VWildlife Area
0.60 km² overlap
Reserve Program
0.13 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 227 distinct species · 13 193 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 Little Arkansas River : 41 espèces reliées par 112 interactions GloBI sur 5 types (connectance 9.5%, filtre Serrano α=0.2). 8 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°
12,6°C
Annual rain
732mm
Moisture idx (CMI)
-0,40
Runoff
121mm/an
PET
1 220mm
AET
622mm
Mean slope
0,6°
Water table
107cm
Forest
0%
Crops
75%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)