HydroBASINS lev08 watershed · #7080393980
Bassin de Little Black 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 3 administrative regions : Cheboygan, Lake Hurron, Mackinac
Sub-basin area
235,8km²
Upstream area
235,8km²
Discharge
1,95m³/s
Mean elev.
191m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 92.1 km²38.9% of basin
- 91.1 km²38.5% of basin
- 53.2 km²22.5% of basin
4 intersecting protected areas
Marine Protected Area
56.61 km² overlap
State Forest
38.67 km² overlap
Natural Area
1.27 km² overlap
Gauthier
IUCN VNature Preserve
0.18 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
921 distinct species · 4 187 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Little Black River : 28 espèces reliées par 87 interactions GloBI sur 3 types (connectance 10.6%, filtre Serrano α=0.2). 13 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°
5,8°C
Annual rain
769mm
Moisture idx (CMI)
-0,07
Runoff
236mm/an
PET
827mm
AET
612mm
Mean slope
0,5°
Water table
63cm
Forest
37%
Crops
7%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)