Designated - Recreational · usa
John Day River
- Area
- 208 km²
- IUCN cat.
- V
- Year
- 1988
Overview
- Designation
- Designated - Recreational
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1988
- Managing authority
- Bureau of Land Management
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
376 distinct species · 3 452 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 John Day River : 20 espèces reliées par 142 interactions GloBI sur 6 types (connectance 16.5%, filtre Serrano α=0.2). 22 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology10 basins · 0 lakes · 21 rivers
Hydrology metrics for this exact territory
Stream length here
220,4km
Basins crossed
10
Max stream order
6
Max drainage
20 521km²
Discharge in basins
69,3m³/s
Mean precip.
319mm/an
Mean T°
9,4°C
Moisture idx
-0,70
Max snow
9%
Mean runoff
101mm/an
Mean elev. (basins)
714m
Watersheds crossing here
- Bassin de John Day Riversub-area1 224 km²overlap91.25 km²44%
- Bassin de John Day Riversub-area1 073,6 km²overlap53.47 km²26%
- Bassin de John Day Riversub-area1 585,4 km²overlap26.16 km²13%
- Bassin de Grass Valley Canyonsub-area754,5 km²overlap19.09 km²9%
- Bassin de John Day Riversub-area97 km²overlap15.85 km²8%
- Bassin de Pine Hollowsub-area1,8 km²overlap1.21 km²1%
- Bassin de Thirtymile Creeksub-area700,7 km²overlap0.24 km²0%
- Bassin de Pine Hollowsub-area336,4 km²overlap0.12 km²0%
- Bassin de Rock Creeksub-area1 339,8 km²overlap0.08 km²0%
1 more basinssorted by overlap
Rivers / streams (21, ord ≥ 4)
- John Day Riverord 8len here197.91 km38%total523 km
- Juniper Canyonord 6len here6.56 km100%total7 km
- Cottonwood Canyonord 6len here5.73 km39%total15 km
- Pine Holloword 6len here1.91 km5%total39 km
- Dry Creekord 8len here0.98 km0%total553 km
- Little Ferry Canyonord 2len here0.97 km12%total8 km
- Grass Valley Canyonord 3len here0.87 km1%total69 km
- Rowe Creekord 2len here0.76 km4%total18 km
- Shaw Canyonord 1len here0.64 km19%total3 km
- Thirtymile Creekord 4len here0.62 km1%total71 km
- Hancock Canyonord 2len here0.60 km12%total5 km
- Shoofly Creekord 2len here0.52 km4%total14 km
9 more river segmentssorted by Strahler order + length
- Cherry Creekord 6len here0.49 km1%total74 km
- Butte Creekord 4len here0.33 km0%total144 km
- James Canyonord 1len here0.29 km9%total3 km
- Esau Canyonord 2len here0.24 km2%total10 km
- Girds Creekord 2len here0.20 km1%total17 km
- Bridge Creekord 4len here0.20 km0%total110 km
- Rhodes Canyonord 2len here0.18 km4%total5 km
- Jenkins Creekord 3len here0.18 km1%total18 km
- Rock Creekord 6len here0.16 km0%total1142 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
- 45.19500, -120.49887
- 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.