HydroBASINS lev08 watershed · #7080388520
Bassin · #7080388520
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 : Charlevoix, Lake Michigan
Sub-basin area
167,4km²
Upstream area
167 254,6km²
Discharge
1 053,42m³/s
Mean elev.
175m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rock River1361 km²
- Bassin de Lower Millecoquins River550 km²
2 dept-equivalent regions (GADM L2)
- Lake Michigan164.0 km²97.7% of basin
- 3.8 km²2.3% of basin
5 intersecting protected areas
Natural Area Hog Island
IUCN VNatural Area
3.82 km² overlap
Michigan Islands
IUCN IVNational Wildlife Refuge
0.07 km² overlap
Marine Protected Area
0.07 km² overlap
Research Area
0.01 km² overlap
National Wildlife Refuge
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
74 distinct species · 224 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 · #7080388520 : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 4 types (connectance 8.9%, filtre Serrano α=0.2). 6 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°
6,1°C
Annual rain
773mm
Moisture idx (CMI)
-0,04
Runoff
345mm/an
PET
805mm
AET
603mm
Mean slope
0,0°
Water table
5cm
Forest
0%
Crops
3%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)