Ontologia

Rivière· 27 segments

Bear River

Crosses 4 administrative regions : Division No. 18, Itasca, Koochiching, Saint Louis

rivière

Total length

1 709km

Max discharge

3,8m³/s

Max Strahler

4

Segments matched

27

River geography4 admin regions · 0 communes

Parent watershed

hybas-7080318150506 km²

4 administrative regions crossed (GADM L2)

  • Koochiching
    Minnesota · United States
    61.0 km
    in this dpt
  • Itasca
    Minnesota · United States
    46.4 km
    in this dpt
  • Division No. 18
    Saskatchewan · Canada
    14.0 km
    in this dpt
  • Saint Louis
    Minnesota · United States
    10.9 km
    in this dpt

4 intersecting protected areas

1 page = 1 named river (aggregation of 27 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

475 distinct species · 6 903 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 36 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 : 27 espèces reliées par 71 interactions GloBI sur 4 types (connectance 11.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
71
Connectance
0.113
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

3,8m³/s

Max Strahler

4

Segments matched

27

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