Ontologia

Rivière· 11 segments

North Branch Au Sable River

Crosses 3 administrative regions : Crawford, Oscoda, Otsego

rivière

Total length

47km

Max discharge

7,1m³/s

Max Strahler

4

Segments matched

11

River geography3 admin regions · 0 communes

Parent watershed

hybas-7080422380963 km²

3 administrative regions crossed (GADM L2)

  • Crawford
    Michigan · United States
    26.6 km
    in this dpt
  • Otsego
    Michigan · United States
    19.4 km
    in this dpt
  • Oscoda
    Michigan · United States
    0.0 km
    in this dpt

9 intersecting protected areas

1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

332 distinct species · 1 864 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de North Branch Au Sable River : 32 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 4 types (connectance 9.4%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
81
Connectance
0.094
Patrimoniales
2
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)

Total length

47km

Max discharge

7,1m³/s

Max Strahler

4

Segments matched

11

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.