Ontologia

Rivière· 13 segments

Au Gres River

Crosses 4 administrative regions : Arenac, Iosco, Lake Hurron, Ogemaw

rivière

Total length

78km

Max discharge

7,2m³/s

Max Strahler

4

Segments matched

13

River geography4 admin regions · 0 communes

Parent watershed

hybas-70804407401342 km²

4 administrative regions crossed (GADM L2)

  • Arenac
    Michigan · United States
    27.9 km
    in this dpt
  • Iosco
    Michigan · United States
    24.7 km
    in this dpt
  • Ogemaw
    Michigan · United States
    14.4 km
    in this dpt
  • Lake Hurron
    Michigan · United States
    5.3 km
    in this dpt

3 intersecting protected areas

1 page = 1 named river (aggregation of 13 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

60 distinct species · 80 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 28 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 Au Gres River : 24 espèces reliées par 31 interactions GloBI sur 4 types (connectance 8.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
31
Connectance
0.082
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

78km

Max discharge

7,2m³/s

Max Strahler

4

Segments matched

13

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