Ontologia

Ruisseau· 15 segments

Little North Santiam River

Crosses 1 administrative regions : Marion

ruisseau

Total length

42km

Max discharge

14m³/s

Max Strahler

3

Segments matched

15

River geography1 admin regions · 0 communes

Parent watershed

hybas-7080418900310 km²

1 administrative regions crossed (GADM L2)

  • Marion
    Oregon · United States
    33.4 km
    in this dpt

5 intersecting protected areas

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

Species present

139 distinct species · 593 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 42 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 Little North Santiam River : 34 espèces reliées par 71 interactions GloBI sur 5 types (connectance 8.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
71
Connectance
0.083
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

42km

Max discharge

14,0m³/s

Max Strahler

3

Segments matched

15

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