Spenceville
IUCN VWildlife Area · 1968
47 km²
County · USA
Yuba
United States
CsaTemperate, dry summer, hot summer(99 %)
Species observed
3 239
Observations
282 177
Area
1 668,3km²
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 Yuba : 22 espèces reliées par 71 interactions GloBI sur 3 types (connectance 16.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
71
Connectance
0.163
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
3 239 distinct species · 282 177 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
16,1°C
Annual rain
1 164mm
Warmest m°
33,9°C
Coldest m°
3,3°C
Elevation: 321 m on average (min 11 m, max 1 411 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
16,1°C
Annual rain
1 164mm
Warmest month
33,9°C
Coldest month
3,3°C
Mean alt.
321m
Min
11m
Max
1 411m
Std. dev.
352m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(99 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,1
Org. C
29,5g/kg
Clay
25,0%
Sand
35,9%
Silt
39,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
47,4g/kg
Clay
23,3%
Sand
36,8%
Silt
39,9%
5–15 cm
pH H₂O
6,1
Org. C
26,4g/kg
Clay
24,2%
Sand
36,3%
Silt
39,6%
15–30 cm
pH H₂O
6,1
Org. C
14,7g/kg
Clay
27,4%
Sand
34,6%
Silt
37,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest35.7%
Crops20.0%
Built-up0.6%
Bare soil4.0%
Other (grassland, water…)39.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology13 basins · 9 lakes · 36 rivers
Hydrology metrics for this exact territory
Stream length here
376,2km
Lake surface here
25,57km²
Basins crossed
13
Max stream order
5
Max drainage
16 177km²
Discharge in basins
479,0m³/s
Mean precip.
966mm/an
Mean T°
14,3°C
Moisture idx
-0,25
Max snow
29%
Mean runoff
485mm/an
Mean elev. (basins)
485m
Watersheds crossing here
- Bassin de Feather Riversub-area1 056 km²overlap337.87 km²20%
- Bassin de Feather Riversub-area383,2 km²overlap329.59 km²20%
- Bassin de Dry Creeksub-area278,9 km²overlap275.62 km²17%
- Bassin de North Yuba Riversub-area1 269,8 km²overlap248.93 km²15%
- Bassin de Bear Riversub-area1 208,5 km²overlap198.78 km²12%
- Bassin de Yuba Riversub-area77,6 km²overlap77.69 km²5%
- Bassin de Yuba Riversub-area53,4 km²overlap51.47 km²3%
- Bassin de Middle Yuba Riversub-area544,5 km²overlap50.82 km²3%
- Bassin de Yuba Riversub-area78,7 km²overlap50.64 km²3%
Lakes (9, top by area)
- Bullards Bararea14,5 km²avg depth82.5 m
- Camp Far West Reservoirarea6,6 km²avg depth19.6 m
- Merle Collinsarea3,3 km²avg depth21.0 m
- Harry L. Englebright Lakearea2,8 km²avg depth31.1 m
- Sly Creek Reservoirarea2,2 km²avg depth36.9 m
- Lac 1056968area0,6 km²avg depth2.1 m
- Lac 1056750area0,3 km²avg depth5.6 m
- Lac 1057005area0,3 km²avg depth3.9 m
- Lac 1056759area0,2 km²avg depth5.6 m
Rivers / streams (36, ord ≥ 4)
- Dry Creekord 4len here74.85 km13%total566 km
- Yuba Riverord 5len here57.03 km80%total71 km
- Feather Riverord 5len here31.23 km20%total157 km
- North Yuba Riverord 4len here23.22 km27%total85 km
- South Honcut Creekord 2len here20.19 km58%total35 km
- Best Sloughord 1len here15.43 km99%total16 km
- Hutchinson Creekord 2len here13.33 km100%total13 km
- Bear Riverord 4len here10.97 km8%total143 km
- Oregon Creekord 2len here10.24 km38%total27 km
- Hampshire Creekord 4len here9.61 km100%total10 km
- Jack Sloughord 2len here8.77 km100%total9 km
- Willow Creekord 3len here8.43 km3%total247 km
24 more river segmentssorted by Strahler order + length
- Middle Yuba Riverord 4len here8.12 km12%total69 km
- Brushy Creekord 2len here7.88 km42%total19 km
- Slate Creekord 3len here7.46 km13%total58 km
- Dobbins Creekord 2len here6.71 km98%total7 km
- Little Dry Creekord 2len here5.69 km4%total154 km
- Little Oregon Creekord 1len here5.48 km100%total5 km
- New York Creekord 2len here5.46 km100%total5 km
- Mill Creekord 5len here5.19 km2%total221 km
- Canyon Creekord 4len here4.61 km4%total108 km
- Honcut Creekord 5len here4.22 km19%total22 km
- Costa Creekord 1len here3.96 km100%total4 km
- South Sutter Canalord 4len here3.88 km25%total15 km
- Willow Glen Creekord 1len here3.59 km100%total4 km
- Woods Creekord 3len here3.44 km8%total42 km
- Jackass Creekord 1len here3.15 km15%total21 km
- Grizzly Creekord 3len here2.99 km4%total70 km
- Little Willow Creekord 1len here2.45 km100%total2 km
- Brandy Creekord 1len here2.39 km21%total11 km
- Indiana Creekord 1len here1.97 km100%total2 km
- Indian Creekord 4len here1.95 km2%total116 km
- Slapjack Creekord 1len here1.62 km100%total2 km
- Sly Creekord 1len here0.56 km11%total5 km
- Deer Creekord 3len here0.12 km0%total154 km
- South Yuba Riverord 3len here0.01 km0%total106 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,9nW
Built-up
60,3%
Pesticides
19,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas13
IUCN V · 9IUCN Not Assigned · 4
Daugherty Hill
IUCN VWildlife Area · 1991
29 km²
Wetlands Reserve Program (WRP), Butte, CA
IUCN VReserve Program · 1993
15 km²
Feather River
IUCN VWildlife Area · 1991
11 km²
Rice's Crossing
IUCN VPreserve
10 km²
Wetlands Reserve Program (WRP), Yuba, CA
IUCN VReserve Program · 1998
5 km²
Complete list13 protected areas
- SpencevilleWildlife AreaIUCN V196847 km²
- Daugherty HillWildlife AreaIUCN V199129 km²
- Wetlands Reserve Program (WRP), Butte, CAReserve ProgramIUCN V199315 km²
- Feather RiverWildlife AreaIUCN V199111 km²
- Rice's CrossingPreserveIUCN V10 km²
- Wetlands Reserve Program (WRP), Yuba, CAReserve ProgramIUCN V19985 km²
- BobelaineSanctuaryIUCN V1 km²
- Wetlands Reserve Program (WRP), Mendocino, CAReserve ProgramIUCN V19971 km²
- Honcut CreekConservation EasementIUCN Not Assigned19951 km²
- Us-Ca-147-15Conservation EasementIUCN Not Assigned20101 km²
- Best SloughConservation EasementIUCN Not Assigned20090 km²
- Black SwanPreserveIUCN V0 km²
- Reed's CreekConservation EasementIUCN Not Assigned20060 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN