Wild and Scenic River · usa
North Fork Middle Fork Willamette, Oregon
- Area
- 44 km²
- IUCN cat.
- V
- Year
- 1988
Overview
- Designation
- Wild and Scenic River
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1988
- Managing authority
- Forest Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
562 distinct species · 4 500 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 North Fork Middle Fork Willamette, Oregon : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 4 types (connectance 10.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 0 lakes · 17 rivers
Hydrology metrics for this exact territory
Stream length here
58,0km
Basins crossed
1
Max stream order
3
Max drainage
639km²
Discharge in basins
1,6m³/s
Mean precip.
1 496mm/an
Mean T°
6,3°C
Moisture idx
0,38
Max snow
31%
Mean runoff
1 053mm/an
Mean elev. (basins)
1 208m
Watersheds crossing here
Rivers / streams (17, ord ≥ 4)
- North Fork Middle Fork Willamette Riverord 3len here42.33 km55%total77 km
- First Creekord 3len here3.27 km5%total70 km
- Huckleberry Creekord 3len here2.53 km8%total32 km
- Cayuse Creekord 3len here2.46 km8%total32 km
- Chalk Creekord 3len here1.38 km13%total11 km
- Second Creekord 3len here1.25 km2%total53 km
- Captain Creekord 3len here1.09 km35%total3 km
- Forth Creekord 1len here1.01 km26%total4 km
- Christy Creekord 3len here0.68 km4%total18 km
- Short Creekord 1len here0.48 km13%total4 km
- Devils Canyonord 1len here0.41 km13%total3 km
- Fisher Creekord 2len here0.28 km1%total37 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 43.83077, -122.39953
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.