North Fork John Day
IUCN IbWilderness · 1984
488 km²
County · USA
Umatilla
United States
DsbCold, dry summer, warm summer(43 %)
Species observed
3 561
Observations
411 438
Area
8 389,2km²
Ecological tissue
Sample of 30 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 Umatilla : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 76 interactions GloBI sur 4 types (connectance 17.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
76
Connectance
0.175
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
3 561 distinct species · 411 438 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,5°C
Annual rain
580mm
Warmest m°
28,5°C
Coldest m°
-4,1°C
Elevation: 799 m on average (min 81 m, max 1 950 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,5°C
Annual rain
580mm
Warmest month
28,5°C
Coldest month
-4,1°C
Mean alt.
799m
Min
81m
Max
1 950m
Std. dev.
428m
Köppen-Geiger (dominant)
DsbCold, dry summer, warm summer(43 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,7
Org. C
31,1g/kg
Clay
20,3%
Sand
28,3%
Silt
51,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,7
Org. C
55,5g/kg
Clay
19,5%
Sand
28,8%
Silt
51,7%
5–15 cm
pH H₂O
6,7
Org. C
23,3g/kg
Clay
20,3%
Sand
28,2%
Silt
51,6%
15–30 cm
pH H₂O
6,8
Org. C
14,5g/kg
Clay
21,2%
Sand
27,9%
Silt
50,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest25.5%
Crops20.5%
Built-up0.1%
Bare soil4.2%
Other (grassland, water…)49.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology18 basins · 4 lakes · 100 rivers
Hydrology metrics for this exact territory
Stream length here
1 723,5km
Lake surface here
6,47km²
Basins crossed
18
Max stream order
8
Max drainage
543 612km²
Discharge in basins
3 425,8m³/s
Mean precip.
477mm/an
Mean T°
8,5°C
Moisture idx
-0,51
Max snow
39%
Mean runoff
112mm/an
Mean elev. (basins)
790m
Watersheds crossing here
- Bassin de Wildhorse Creeksub-area1 828,9 km²overlap1795.66 km²21%
- Bassin de Dry Creeksub-area2 323,9 km²overlap1118.41 km²13%
- Bassin de Umatilla Riversub-area1 127,2 km²overlap1090.19 km²13%
- Bassin de Camas Creeksub-area1 028,4 km²overlap980.18 km²12%
- Bassin de Birch Creeksub-area743,6 km²overlap733.94 km²9%
- Bassin de Despain Gulchsub-area561,6 km²overlap562.93 km²7%
- Bassin de Butter Creeksub-area1 186 km²overlap509.95 km²6%
- Bassin de McKay Creeksub-area512,9 km²overlap502.17 km²6%
- Bassin de Columbia Riversub-area622 km²overlap348.33 km²4%
9 more basinssorted by overlap
- Bassin de North Fork John Day Riversub-area1 528,2 km²overlap169.94 km²2%
- Bassin de Milk Canyonsub-area500,4 km²overlap115.56 km²1%
- Bassin de Ditch Creeksub-area539,5 km²overlap114.95 km²1%
- Bassin de Walla Walla Riversub-area295,7 km²overlap108.23 km²1%
- Bassin de Grande Ronde Riversub-area1 955,4 km²overlap105.91 km²1%
- Bassin de Columbia Riversub-area875,1 km²overlap52.97 km²1%
- Bassin de Umatilla Riversub-area40,8 km²overlap40.88 km²0%
- Bassin de Grande Ronde Riversub-area1 523,7 km²overlap22.27 km²0%
- Bassin de Umatilla Riversub-area16,4 km²overlap16.46 km²0%
Lakes (4, top by area)
Rivers / streams (100, ord ≥ 4)
- Umatilla Riverord 5len here93.54 km100%total93 km
- Birch Creekord 7len here67.61 km49%total139 km
- Camas Creekord 5len here66.79 km24%total278 km
- McKay Creekord 4len here53.65 km57%total94 km
- Pine Creekord 6len here52.83 km12%total450 km
- Walla Walla Riverord 5len here49.00 km37%total133 km
- Columbia Riverord 8len here45.97 km2%total2971 km
- Wildhorse Creekord 3len here45.78 km87%total53 km
- Butter Creekord 4len here45.14 km38%total119 km
- Stage Gulchord 3len here37.14 km100%total37 km
- Meacham Creekord 3len here37.10 km100%total37 km
- Despain Gulchord 2len here35.22 km100%total35 km
88 more river segmentssorted by Strahler order + length
- Alkali Canyonord 1len here35.13 km100%total35 km
- Line Creekord 3len here34.13 km71%total48 km
- North Fork Walla Walla Riverord 2len here31.99 km100%total32 km
- Cold Springs Canyonord 2len here29.37 km100%total29 km
- Coombs Canyonord 2len here28.38 km100%total28 km
- East Fork Butter Creekord 2len here26.16 km100%total26 km
- South Fork Walla Walla Riverord 2len here25.13 km100%total25 km
- Isqúulktpe Creekord 4len here22.98 km100%total23 km
- Spikes Gulchord 2len here22.47 km100%total22 km
- North Fork Cold Springs Canyonord 2len here22.22 km100%total22 km
- Patawa Creekord 2len here21.32 km100%total21 km
- South Fork Cold Springs Canyonord 1len here21.04 km100%total21 km
- South Fork Umatilla Riverord 3len here21.00 km100%total21 km
- Owens Creekord 3len here20.03 km68%total29 km
- George Canyonord 2len here19.85 km100%total20 km
- Hunt Ditchord 3len here19.42 km100%total19 km
- Middle Fork Cold Springs Canyonord 1len here19.16 km100%total19 km
- Spring Creekord 6len here16.73 km6%total267 km
- Snipe Creekord 2len here16.65 km100%total17 km
- South Fork Juniper Canyonord 2len here16.16 km100%total16 km
- Hermiston Ditchord 3len here15.76 km100%total16 km
- Speare Canyonord 1len here15.58 km100%total16 km
- Greasewood Creekord 2len here15.32 km100%total15 km
- West Birch Creekord 3len here14.96 km100%total15 km
- Parker Canyonord 1len here14.80 km100%total15 km
- Westland A Canalord 3len here13.74 km100%total14 km
- East Birch Creekord 2len here13.67 km100%total14 km
- Pearson Creekord 2len here13.65 km47%total29 km
- Texas Bar Creekord 4len here13.58 km100%total14 km
- U.S.R.S. Feed Canalord 3len here13.32 km100%total13 km
- North Fork Meacham Creekord 3len here13.28 km100%total13 km
- North Fork John Day Riverord 5len here12.72 km12%total104 km
- Sheep Creekord 5len here12.65 km5%total260 km
- Johnson Creekord 7len here12.12 km4%total285 km
- Sand Holloword 2len here12.10 km59%total20 km
- Owings Creekord 2len here12.01 km100%total12 km
- Fall Gulchord 1len here11.96 km100%total12 km
- North Fork Umatilla Riverord 3len here11.79 km85%total14 km
- Mill Creekord 5len here11.77 km3%total446 km
- Fivemile Creekord 2len here11.48 km14%total85 km
- Cable Creekord 3len here11.32 km47%total24 km
- Slusher Canyonord 1len here11.23 km100%total11 km
- Spring Holloword 1len here11.18 km100%total11 km
- Service Canyonord 1len here10.79 km100%total11 km
- Spring Hollow Creekord 1len here10.55 km69%total15 km
- South Patawa Creekord 1len here9.68 km100%total10 km
- North Fork McKay Creekord 2len here9.67 km100%total10 km
- Cottonwood Creekord 8len here9.10 km2%total436 km
- Beale Canyonord 1len here8.93 km100%total9 km
- South Coyote Creekord 1len here8.85 km100%total9 km
- Coonskin Creekord 4len here8.63 km100%total9 km
- Gerking Creekord 1len here8.61 km100%total9 km
- Rock Creekord 6len here8.34 km1%total1142 km
- North Fork Juniper Canyonord 1len here8.31 km100%total8 km
- Neeves Creekord 1len here8.19 km100%total8 km
- Buckaroo Creekord 1len here8.10 km100%total8 km
- Carney Canyonord 1len here8.08 km100%total8 km
- Missouri Gulchord 1len here8.06 km100%total8 km
- Ely Creekord 1len here8.06 km100%total8 km
- North Fork Cottonwood Creekord 2len here8.01 km48%total17 km
- South Fork Cottonwood Creekord 2len here7.61 km24%total32 km
- Ryan Creekord 7len here7.49 km62%total12 km
- Deerhorn Creekord 1len here7.39 km100%total7 km
- Red Spring Canyonord 2len here7.07 km100%total7 km
- Chilson Creekord 1len here7.03 km100%total7 km
- Bear Creekord 5len here7.02 km1%total575 km
- Waterman Gulchord 1len here6.91 km100%total7 km
- West Fork Greasewood Creekord 2len here6.64 km100%total7 km
- Shimmiehorn Creekord 1len here6.46 km100%total6 km
- Hog Holloword 2len here6.43 km100%total6 km
- Lane Creekord 1len here6.31 km69%total9 km
- Darr Creekord 1len here6.16 km100%total6 km
- Rugg Canyonord 1len here6.13 km100%total6 km
- Big Creekord 4len here6.12 km2%total305 km
- Mission Creekord 4len here6.09 km3%total224 km
- Cold Springs Washord 1len here6.09 km100%total6 km
- Jack Canyonord 2len here6.09 km100%total6 km
- North Fork Cable Creekord 1len here6.03 km100%total6 km
- Alexander Creekord 4len here5.86 km13%total44 km
- West Extension Irrigation Canalord 1len here5.81 km56%total10 km
- Bassey Creekord 1len here5.74 km100%total6 km
- Hoskins Creekord 1len here5.74 km100%total6 km
- Hellhole Creekord 1len here5.67 km100%total6 km
- High Line Canalord 5len here5.61 km35%total16 km
- Crawford Holloword 1len here5.33 km100%total5 km
- Deerlick Creekord 1len here5.28 km59%total9 km
- Little Johnson Creekord 2len here5.19 km100%total5 km
- Bowman Creekord 2len here5.17 km6%total83 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
15,4%
Pesticides
32,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas12
IUCN V · 7IUCN IV · 3IUCN Ib · 2
North Fork Umatilla
IUCN IbWilderness · 1987
82 km²
Mcnary
IUCN IVNational Wildlife Refuge · 1956
64 km²
Bridge Creek
IUCN VWildlife Area
51 km²
North Fork John Day, Oregon
IUCN VWild and Scenic River · 1988
30 km²
Wanaket
IUCN VWildlife Area
12 km²
Complete list12 protected areas
- North Fork John DayWildernessIUCN Ib1984488 km²
- North Fork UmatillaWildernessIUCN Ib198782 km²
- McnaryNational Wildlife RefugeIUCN IV195664 km²
- Bridge CreekWildlife AreaIUCN V51 km²
- North Fork John Day, OregonWild and Scenic RiverIUCN V198830 km²
- WanaketWildlife AreaIUCN V12 km²
- North Fork John Day, OregonWild and Scenic RiverIUCN V198811 km²
- IrrigonWildlife AreaIUCN V3 km²
- Cold SpringsNational Wildlife RefugeIUCN IV19092 km²
- McNary WildlifeNature AreaIUCN V1 km²
- Power CityWildlife AreaIUCN V0 km²
- Mckay CreekNational Wildlife RefugeIUCN IV19290 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN