HydroBASINS lev08 watershed · #7080414930
Bassin · #7080414930
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 : Alpena, Lake Hurron
Sub-basin area
872,8km²
Upstream area
4 702,6km²
Discharge
26,95m³/s
Mean elev.
175m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
2 dept-equivalent regions (GADM L2)
- 847.9 km²96.9% of basin
- 26.8 km²3.1% of basin
6 intersecting protected areas
Marine Protected Area
846.05 km² overlap
Marine Protected Area
427.29 km² overlap
State Forest
4.54 km² overlap
Marine Protected Area
1.57 km² overlap
Michigan Islands
IUCN IVNational Wildlife Refuge
1.30 km² overlap
Nature Preserve
0.63 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
581 distinct species · 2 008 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 · #7080414930 : 26 espèces reliées par 105 interactions GloBI sur 4 types (connectance 11.1%, filtre Serrano α=0.2). 18 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°
6,3°C
Annual rain
760mm
Moisture idx (CMI)
-0,04
Runoff
185mm/an
PET
790mm
AET
597mm
Mean slope
0,0°
Water table
5cm
Forest
1%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)