Ontologia

Rivière· 9 segments

Walker Creek

Crosses 7 administrative regions : Clackamas, Jefferson, Lane, Marion, Multnomah +2

rivière

Total length

748km

Max discharge

17,7m³/s

Max Strahler

4

Segments matched

9

River geography7 admin regions · 0 communes

Parent watershed

hybas-7080435680553 km²

7 administrative regions crossed (GADM L2)

  • Lane
    Oregon · United States
    10.5 km
    in this dpt
  • Jefferson
    Oregon · United States
    6.9 km
    in this dpt
  • Clackamas
    Oregon · United States
    3.3 km
    in this dpt
  • Polk
    Oregon · United States
    3.0 km
    in this dpt
  • Yamhill
    Oregon · United States
    2.6 km
    in this dpt
  • Marion
    Oregon · United States
    0.2 km
    in this dpt
  • Multnomah
    Oregon · United States
    0.0 km
    in this dpt

7 intersecting protected areas

1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

41 distinct species · 47 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 10 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 Walker Creek : 9 espèces reliées par 8 interactions GloBI sur 2 types (connectance 17.8%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
10
Interactions affichées
8
Connectance
0.178
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

748km

Max discharge

17,7m³/s

Max Strahler

4

Segments matched

9

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