Wilderness · usa
Yolla Bolly-Middle Eel
- Area
- 746 km²
- IUCN cat.
- Ib
- Year
- 1964
Overview
- Designation
- Wilderness
- IUCN category
- Ib · Zone de nature sauvage
Aire protégée pour la wilderness, faible accès humain
- Established
- 1964
- Managing authority
- Bureau of Land Management ; Forest Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
909 distinct species · 3 451 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 50 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 Yolla Bolly-Middle Eel : 32 espèces reliées par 113 interactions GloBI sur 5 types (connectance 9.2%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology6 basins · 0 lakes · 22 rivers
Hydrology metrics for this exact territory
Stream length here
172,6km
Basins crossed
6
Max stream order
3
Max drainage
2 458km²
Discharge in basins
16,8m³/s
Mean precip.
1 184mm/an
Mean T°
10,9°C
Moisture idx
-0,02
Max snow
18%
Mean runoff
704mm/an
Mean elev. (basins)
973m
Watersheds crossing here
- Bassin de Middle Fork Eel Riversub-area1 937,5 km²overlap401.88 km²54%
- Bassin de South Fork Cottonwood Creeksub-area2 457,8 km²overlap188.85 km²25%
- Bassin de North Fork Eel Riversub-area725,8 km²overlap84.38 km²11%
- Bassin de South Fork Trinity Riversub-area2 394 km²overlap34.99 km²5%
- Bassin de Thomes Creeksub-area780,5 km²overlap30.75 km²4%
- Bassin de Mad Riversub-area1 311,5 km²overlap5.46 km²1%
Rivers / streams (22, ord ≥ 4)
- Middle Fork Eel Riverord 4len here68.66 km42%total165 km
- North Fork Middle Fork Eel Riverord 2len here18.28 km100%total18 km
- South Fork Cottonwood Creekord 4len here17.26 km18%total95 km
- Balm of Gilead Creekord 2len here11.91 km100%total12 km
- Buck Creekord 2len here9.81 km69%total14 km
- Red Mountain Creekord 3len here6.28 km28%total23 km
- Deer Creekord 3len here5.56 km4%total154 km
- Red Rock Creekord 2len here4.92 km100%total5 km
- Rock Creekord 2len here4.01 km29%total14 km
- Harvey Creekord 1len here3.43 km100%total3 km
- Slides Creekord 1len here3.43 km100%total3 km
- Robinson Creekord 1len here3.25 km100%total3 km
10 more river segmentssorted by Strahler order + length
- Alder Creekord 2len here3.02 km11%total28 km
- Minnie Creekord 1len here2.18 km100%total2 km
- Yellow Jacket Creekord 1len here2.18 km100%total2 km
- Little Red Mountain Creekord 1len here2.08 km100%total2 km
- Antone Creekord 2len here1.89 km33%total6 km
- Howard Creekord 1len here1.50 km45%total3 km
- South Fork Trinity Riverord 5len here1.43 km1%total114 km
- Lynch Creekord 2len here1.09 km68%total2 km
- Cardenas Creekord 1len here0.23 km11%total2 km
- Littlefield Creekord 1len here0.14 km27%total1 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
- 40.02647, -123.00169
- 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.