Rivière· 55 segments

Au Sable River

Crosses 5 administrative regions : Alcona, Crawford, Iosco, Lake Hurron, Oscoda

rivière

Total length

222km

Max discharge

36,4m³/s

Max Strahler

Segments matched

River geography5 admin regions · 0 communes

Parent watershed

hybas-70804292601235 km²

5 administrative regions crossed (GADM L2)

Crawford
Michigan · United States
81.4 km
in this dpt
Iosco
Michigan · United States
66.7 km
in this dpt
Oscoda
Michigan · United States
65.7 km
in this dpt
Alcona
Michigan · United States
34.0 km
in this dpt
Lake Hurron
Michigan · United States
5.5 km
in this dpt

11 intersecting protected areas

Gaylord State Forest Area
IUCN V
State Forest
Kirtland Warbler Unit Clear
IUCN V
Lake
State
IUCN V
Forest
Au Sable, Michigan
IUCN V
Wild and Scenic River
Kirtland Warbler Unit N Branch
IUCN V
Wildlife Habitat Management Area
Conners Marsh Flooding
IUCN V
State Wildlife Management Area
Bovee
IUCN Not Assigned
Easement
Forest Management
IUCN V
Forest Management
Consumers Power Co.
IUCN V
Conservation Easement

2 more protected areassorted by area

Ostahowski
IUCN Not Assigned
Easement
Peacor
IUCN Not Assigned
Easement

1 page = 1 named river (aggregation of 55 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

284 distinct species · 6 389 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Au Sable River : 27 espèces reliées par 94 interactions GloBI sur 4 types (connectance 13.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.134

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)