HydroBASINS lev08 watershed · #7080554840
Bassin de Great Miami 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 : Butler, Darke, Montgomery, Preble, Warren
Sub-basin area
2 027km²
Upstream area
8 503,4km²
Discharge
106,13m³/s
Mean elev.
276m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Mad River1711 km²
- Bassin de Great Miami River3 km²
5 dept-equivalent regions (GADM L2)
- Montgomery813.1 km²40.1% of basin
- 526.6 km²26.0% of basin
- Butler325.0 km²16.0% of basin
- Warren236.9 km²11.7% of basin
- 127.4 km²6.3% of basin
19 intersecting protected areas
Nature Preserve
1.57 km² overlap
Upper Twin Conservat
IUCN Not AssignedConservation Area
1.12 km² overlap
Twin Creek Upper Area-Five River
IUCN Not AssignedLocal Conservation Area
1.11 km² overlap
Bilich Farms Inc
IUCN Not AssignedEasement
1.10 km² overlap
Arboretum
0.74 km² overlap
Gibson
IUCN Not AssignedEasement
0.51 km² overlap
Fergus
IUCN Not AssignedEasement
0.47 km² overlap
Reserve Program
0.42 km² overlap
Flowers
IUCN Not AssignedEasement
0.36 km² overlap
10 more protected areassorted by overlap area
Local Conservation Area
0.25 km² overlap
Reserve
0.13 km² overlap
Robbins
IUCN Not AssignedEasement
0.13 km² overlap
Hoelle/Henry
IUCN Not AssignedEasement
0.11 km² overlap
Chautauqua
IUCN VReservoir
0.06 km² overlap
Local Conservation Area
0.05 km² overlap
Melody
IUCN VPool
0.02 km² overlap
Excello Locks
IUCN VLocal Conservation Area
0.01 km² overlap
Harmon
IUCN Not AssignedEasement
0.01 km² overlap
Rush Run
IUCN VWildlife Area
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 806 distinct species · 496 322 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Great Miami River : 26 espèces reliées par 59 interactions GloBI sur 3 types (connectance 10.5%, 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°
10,8°C
Annual rain
1 001mm
Moisture idx (CMI)
-0,07
Runoff
411mm/an
PET
1 072mm
AET
809mm
Mean slope
1,0°
Water table
90cm
Forest
2%
Crops
43%
Urban
21%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)