HydroBASINS lev08 watershed · #7080456670
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 8 administrative regions : Clinton, Genesee, Gratiot, Livingston, Midland +3
Sub-basin area
2 915,4km²
Upstream area
2 915,4km²
Discharge
20,97m³/s
Mean elev.
234m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
8 dept-equivalent regions (GADM L2)
- 963.1 km²33.0% of basin
- Livingston652.0 km²22.3% of basin
- 613.6 km²21.0% of basin
- 395.7 km²13.5% of basin
- 227.0 km²7.8% of basin
- 39.5 km²1.4% of basin
- 29.2 km²1.0% of basin
- Clinton0.4 km²0.0% of basin
30 intersecting protected areas
Gratiot-Saginaw State
IUCN VGame Area
56.05 km² overlap
Shiawassee River State
IUCN VGame Area
38.82 km² overlap
Oak Grove State Game
IUCN VGrove
8.33 km² overlap
Reserve Program
2.17 km² overlap
State
IUCN VForest
1.66 km² overlap
06-78-0017
IUCN Not AssignedConservation Easement
1.40 km² overlap
Deerfield Hills
IUCN VNature Area
1.30 km² overlap
08-73-0023
IUCN Not AssignedConservation Easement
0.87 km² overlap
06-73-0083
IUCN Not AssignedConservation Easement
0.84 km² overlap
21 more protected areassorted by overlap area
Shiawassee
IUCN IVNational Wildlife Refuge
0.78 km² overlap
Nature Preserve
0.77 km² overlap
Reserve Program
0.53 km² overlap
Forest
IUCN VReserve
0.52 km² overlap
Reserve Program
0.37 km² overlap
Little Forks Conservancy Easement # MI-116214
IUCN Not AssignedEasement
0.32 km² overlap
Game Area
0.30 km² overlap
04-47-0015
IUCN Not AssignedConservation Easement
0.29 km² overlap
05-47-0037
IUCN Not AssignedConservation Easement
0.27 km² overlap
98-11-0040
IUCN Not AssignedConservation Easement
0.26 km² overlap
01-47-0015
IUCN Not AssignedConservation Easement
0.21 km² overlap
Preserve
0.16 km² overlap
99-11-0262
IUCN Not AssignedConservation Easement
0.16 km² overlap
Sharon Zahrfeld Memorial
IUCN VNature Preserve
0.14 km² overlap
Game Area
0.14 km² overlap
97-08-0401
IUCN Not AssignedConservation Easement
0.12 km² overlap
Lyle and Mary Rizor
IUCN VNature Preserve
0.11 km² overlap
01-73-0116
IUCN Not AssignedConservation Easement
0.08 km² overlap
01-47-0079
IUCN Not AssignedConservation Easement
0.07 km² overlap
07-73-0021
IUCN Not AssignedConservation Easement
0.06 km² overlap
01-47-0008
IUCN Not AssignedConservation Easement
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 857 distinct species · 526 286 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 74 interactions GloBI sur 3 types (connectance 11.1%, 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°
8,2°C
Annual rain
772mm
Moisture idx (CMI)
-0,18
Runoff
228mm/an
PET
947mm
AET
651mm
Mean slope
0,6°
Water table
34cm
Forest
11%
Crops
49%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)