HydroBASINS lev08 watershed · #7080406760
Bassin · #7080406760
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 4 administrative regions across 2 countries : Alpena, Lake Hurron, Presque Isle
Sub-basin area
771,3km²
Upstream area
437 932,1km²
Discharge
7 510,6m³/s
Mean elev.
175m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #7080402760901 km²
- Bassin · #7080402650678 km²
4 dept-equivalent regions (GADM L2)
- 742.6 km²96.1% of basin
- 19.2 km²2.5% of basin
- 5.9 km²0.8% of basin
- 5.4 km²0.7% of basin
3 intersecting protected areas
Marine Protected Area
740.77 km² overlap
Marine Protected Area
56.72 km² overlap
Besser
IUCN VNatural Area
0.36 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
448 distinct species · 2 419 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 · #7080406760 : 33 espèces reliées par 131 interactions GloBI sur 4 types (connectance 11.6%, filtre Serrano α=0.2). 15 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°
6,0°C
Annual rain
762mm
Moisture idx (CMI)
-0,02
Runoff
185mm/an
PET
780mm
AET
592mm
Mean slope
0,0°
Water table
5cm
Forest
2%
Crops
2%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)