HydroBASINS lev08 watershed · #7080456090
Bassin de Shiawassee 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 1 administrative regions : Saginaw
Sub-basin area
29,5km²
Upstream area
6 458,1km²
Discharge
43,4m³/s
Mean elev.
180m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Shiawassee River2915 km²
- Bassin de Fairchild Creek132 km²
1 dept-equivalent regions (GADM L2)
- 29.5 km²100.0% of basin
3 intersecting protected areas
Shiawassee
IUCN IVNational Wildlife Refuge
20.47 km² overlap
Shiawassee River State
IUCN VGame Area
0.18 km² overlap
Reserve Program
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
521 distinct species · 201 276 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Shiawassee River : 29 espèces reliées par 65 interactions GloBI sur 3 types (connectance 10.3%, 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°
8,5°C
Annual rain
767mm
Moisture idx (CMI)
-0,20
Runoff
210mm/an
PET
957mm
AET
648mm
Mean slope
0,6°
Water table
30cm
Forest
60%
Crops
44%
Urban
0%
Protected
79%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)