HydroBASINS lev08 watershed · #7080399530
Bassin · #7080399530
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 2 administrative regions : Delta, Lake Michigan
Sub-basin area
158,8km²
Upstream area
7 691,4km²
Discharge
71,49m³/s
Mean elev.
175m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sturgeon River1659 km²
- Bassin de Wilsey Bay Creek375 km²
2 dept-equivalent regions (GADM L2)
- Lake Michigan153.1 km²96.2% of basin
- 6.1 km²3.8% of basin
2 intersecting protected areas
Green Bay
IUCN IVNational Wildlife Refuge
2.11 km² overlap
Forest Management
1.28 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
232 distinct species · 437 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 · #7080399530 : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 82 interactions GloBI sur 3 types (connectance 10.0%, filtre Serrano α=0.2). 14 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°
5,9°C
Annual rain
755mm
Moisture idx (CMI)
-0,01
Runoff
223mm/an
PET
763mm
AET
599mm
Mean slope
0,1°
Water table
8cm
Forest
0%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)