Ontologia

Ruisseau· 15 segments

Portage Creek

Crosses 13 administrative regions : Crawford, Delta, Ingham, Jackson, Kalamazoo +8

ruisseau

Total length

259km

Max discharge

4,3m³/s

Max Strahler

3

Segments matched

15

River geography13 admin regions · 0 communes

Parent watershed

hybas-7080424810586 km²

13 administrative regions crossed (GADM L2)

  • Kalamazoo
    Michigan · United States
    18.4 km
    in this dpt
  • Thunder Bay
    Ontario · Canada
    14.0 km
    in this dpt
  • Livingston
    Michigan · United States
    11.2 km
    in this dpt
  • Kalkaska
    Michigan · United States
    9.1 km
    in this dpt
  • Ingham
    Michigan · United States
    8.1 km
    in this dpt
  • Parry Sound
    Ontario · Canada
    4.0 km
    in this dpt
  • Delta
    Michigan · United States
    2.3 km
    in this dpt
  • Washtenaw
    Michigan · United States
    1.7 km
    in this dpt
  • Lake Superior
    Ontario · Canada
    1.3 km
    in this dpt
  • Lake Michigan
    Michigan · United States
    0.0 km
    in this dpt
  • Jackson
    Michigan · United States
    0.0 km
    in this dpt
  • Saint Joseph
    Michigan · United States
    0.0 km
    in this dpt
  • Crawford
    Michigan · United States
    0.0 km
    in this dpt

23 intersecting protected areas

14 more protected areas

1 page = 1 named river (aggregation of 15 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

114 distinct species · 454 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 44 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 Portage Creek : 31 espèces reliées par 95 interactions GloBI sur 5 types (connectance 9.6%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
95
Connectance
0.096
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

259km

Max discharge

4,3m³/s

Max Strahler

3

Segments matched

15

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