HydroBASINS lev08 watershed · #7080599040
Bassin de Ohio 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 : Gallatin, Posey, Union
Sub-basin area
262,1km²
Upstream area
364 116,6km²
Discharge
5 061,02m³/s
Mean elev.
114m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ohio River2572 km²
- Bassin de Wabash River157 km²
3 dept-equivalent regions (GADM L2)
- Union133.0 km²50.7% of basin
- 129.0 km²49.2% of basin
- 0.3 km²0.1% of basin
4 intersecting protected areas
Reserve Program
5.53 km² overlap
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Gallatin, IL
IUCN VConservation Easement
0.81 km² overlap
Reserve Program
0.24 km² overlap
Reserve Program
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
699 distinct species · 2 929 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Ohio River : 34 espèces reliées par 64 interactions GloBI sur 3 types (connectance 8.2%, filtre Serrano α=0.2). 6 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°
13,6°C
Annual rain
1 148mm
Moisture idx (CMI)
-0,04
Runoff
375mm/an
PET
1 199mm
AET
891mm
Mean slope
1,0°
Water table
63cm
Forest
34%
Crops
61%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)