HydroBASINS lev08 watershed · #7080517240
Bassin de Sandusky 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 4 administrative regions : Crawford, Marion, Richland, Wyandot
Sub-basin area
935,4km²
Upstream area
935,4km²
Discharge
7,74m³/s
Mean elev.
297m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Crawford514.9 km²55.0% of basin
- 329.5 km²35.2% of basin
- Richland53.0 km²5.7% of basin
- Marion39.2 km²4.2% of basin
9 intersecting protected areas
Killdeer Plains
IUCN VWildlife Area
4.41 km² overlap
Sears Woods Dedicated
IUCN VNature Preserve
0.40 km² overlap
Reserve Program
0.26 km² overlap
Riparian Area management
0.16 km² overlap
Carmean Woods Dedicated
IUCN VNature Preserve
0.11 km² overlap
Wetlands Reserve Program (WRP), Crawford, OH
IUCN Not AssignedReserve Program
0.05 km² overlap
Wetlands Reserve Program (WRP)
IUCN Not AssignedReserve Program
0.05 km² overlap
Wildlife Haven
IUCN VNature Preserve
0.02 km² overlap
Nature Preserve
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 037 distinct species · 71 260 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Sandusky River : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 72 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2). 7 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°
9,6°C
Annual rain
935mm
Moisture idx (CMI)
-0,08
Runoff
287mm/an
PET
1 020mm
AET
771mm
Mean slope
0,6°
Water table
26cm
Forest
3%
Crops
80%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)