Ontologia

Ruisseau· 8 segments

Bear River

Crosses 4 administrative regions : Charlevoix, Emmet, Lake Michigan, Timiskaming

ruisseau

Total length

1 709km

Max discharge

2,7m³/s

Max Strahler

3

Segments matched

8

River geography4 admin regions · 0 communes

Parent watershed

hybas-7080338840578 km²

4 administrative regions crossed (GADM L2)

  • Timiskaming
    Ontario · Canada
    34.8 km
    in this dpt
  • Emmet
    Michigan · United States
    13.4 km
    in this dpt
  • Charlevoix
    Michigan · United States
    8.3 km
    in this dpt
  • Lake Michigan
    Michigan · United States
    3.3 km
    in this dpt

7 intersecting protected areas

1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

46 distinct species · 80 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 25 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 Bear River : 22 espèces reliées par 26 interactions GloBI sur 4 types (connectance 8.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
26
Connectance
0.080
Patrimoniales
0
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

1 709km

Max discharge

2,7m³/s

Max Strahler

3

Segments matched

8

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