Rivière· 55 segments
Middle Fork Willamette River
Crosses 2 administrative regions : Douglas, Lane
Total length
141km
Max discharge
172,2m³/s
Max Strahler
5
Segments matched
55
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- LaneOregon · United States127.3 kmin this dpt
- DouglasOregon · United States10.9 kmin this dpt
2 intersecting protected areas
Wild and Scenic River
Willamette Confluence
IUCN VPrivate Conservation Land
1 page = 1 named river (aggregation of 55 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
313 distinct species · 1 576 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 51 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).
Indicateurs du tissu écologique
Tissu écologique de Middle Fork Willamette River : 36 espèces reliées par 100 interactions GloBI sur 5 types (connectance 7.8%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
141km
Max discharge
172,2m³/s
Max Strahler
5
Segments matched
55
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.