HydroBASINS lev08 watershed · #7080487720
Bassin de St. Joseph 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 6 administrative regions : Berrien, Cass, Elkhart, Kalamazoo, Saint Joseph +1
Sub-basin area
2 266,3km²
Upstream area
10 588,9km²
Discharge
94,24m³/s
Mean elev.
237m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de North Branch Elkhart River1811 km²
- Bassin de Christiana Creek1006 km²
6 dept-equivalent regions (GADM L2)
- Berrien756.4 km²33.3% of basin
- Cass657.9 km²29.0% of basin
- 431.5 km²19.0% of basin
- Van Buren244.2 km²10.8% of basin
- 179.7 km²7.9% of basin
- 0.0 km²0.0% of basin
30 intersecting protected areas
Dowagiac Woods
IUCN VNature Preserve
1.25 km² overlap
Farm Service Agency Interest Of Mi
IUCN Not AssignedConservation Easement
0.44 km² overlap
Beverly D Crone
IUCN VRestoration Area
0.42 km² overlap
St Patricks County Park
IUCN VConservation Easement
0.42 km² overlap
Nature Preserve
0.40 km² overlap
Van Buren County
IUCN VIWaterfowl Production Area
0.33 km² overlap
Hathaway Woods
IUCN VNature Preserve
0.33 km² overlap
Topinabee Lake
IUCN VPreserve
0.32 km² overlap
Dowagiac Woods
IUCN VNature Sanctuary
0.31 km² overlap
21 more protected areassorted by overlap area
Bakertown Fen
IUCN VNature Preserve
0.26 km² overlap
Rudolphi
IUCN VWildlife Refuge
0.23 km² overlap
08-11-0116
IUCN Not AssignedConservation Easement
0.23 km² overlap
Webster Lake State Game
IUCN VLake
0.17 km² overlap
Boyle Lake
IUCN VState Wildlife Area
0.15 km² overlap
Hickory Creek
IUCN VPreserve
0.13 km² overlap
Dowagiac Fen
IUCN VNature Preserve
0.12 km² overlap
Riley Shurte Woods
IUCN VNature Preserve
0.10 km² overlap
Brandywine Creek
IUCN VNature Preserve
0.10 km² overlap
94-12-0077
IUCN Not AssignedConservation Easement
0.10 km² overlap
04-11-0108
IUCN Not AssignedConservation Easement
0.09 km² overlap
Conservation Easement
0.07 km² overlap
Redbud Riverfront
IUCN VNatural Area
0.07 km² overlap
Reserve Program
0.06 km² overlap
Trillium Ravine
IUCN VPlant Preserve
0.06 km² overlap
E.B. Clark Woods
IUCN VNature Reserve
0.05 km² overlap
Cook Lake Fen
IUCN VLake
0.05 km² overlap
08-80-0008
IUCN Not AssignedConservation Easement
0.04 km² overlap
Conservation Easement
0.04 km² overlap
94-12-0421
IUCN Not AssignedConservation Easement
0.03 km² overlap
06-11-0015
IUCN Not AssignedConservation Easement
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 860 distinct species · 858 729 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 St. Joseph River : 29 espèces reliées par 72 interactions GloBI sur 3 types (connectance 10.2%, filtre Serrano α=0.2). 9 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°
9,3°C
Annual rain
964mm
Moisture idx (CMI)
-0,01
Runoff
296mm/an
PET
977mm
AET
752mm
Mean slope
0,9°
Water table
64cm
Forest
25%
Crops
47%
Urban
16%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)