HydroBASINS lev08 watershed · #7080518090
Bassin de Spoon 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 : Knox, Peoria, Stark
Sub-basin area
155km²
Upstream area
1 703,1km²
Discharge
15,28m³/s
Mean elev.
217m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Spoon River1110 km²
- Bassin de Walnut Creek438 km²
3 dept-equivalent regions (GADM L2)
- 144.8 km²93.4% of basin
- 10.1 km²6.5% of basin
- 0.2 km²0.1% of basin
2 intersecting protected areas
Wildlife Area
10.07 km² overlap
T-Lake State Fish and
IUCN VWildlife Area
0.77 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
662 distinct species · 6 394 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Spoon River : 34 espèces reliées par 104 interactions GloBI sur 4 types (connectance 11.0%, 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°
9,9°C
Annual rain
932mm
Moisture idx (CMI)
-0,10
Runoff
283mm/an
PET
1 033mm
AET
786mm
Mean slope
1,3°
Water table
106cm
Forest
28%
Crops
71%
Urban
0%
Protected
11%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)