Sikes Act
IUCN VWildlife Habitat Area
144 km²
County · USA
Twin Falls
United States
BSkArid, steppe, cold(77 %)
Species observed
2 129
Observations
227 249
Area
5 000,9km²
Ecological tissue
Sample of 33 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 Twin Falls : 24 espèces reliées par 73 interactions GloBI sur 3 types (connectance 13.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
73
Connectance
0.138
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
2 129 distinct species · 227 249 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,3°C
Annual rain
313mm
Warmest m°
31,2°C
Coldest m°
-7,0°C
Elevation: 1 460 m on average (min 860 m, max 2 343 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,3°C
Annual rain
313mm
Warmest month
31,2°C
Coldest month
-7,0°C
Mean alt.
1 460m
Min
860m
Max
2 343m
Std. dev.
309m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(77 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,5
Org. C
16,1g/kg
Clay
21,0%
Sand
33,7%
Silt
45,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,4
Org. C
23,0g/kg
Clay
19,2%
Sand
34,7%
Silt
46,1%
5–15 cm
pH H₂O
7,5
Org. C
15,5g/kg
Clay
21,2%
Sand
33,6%
Silt
45,2%
15–30 cm
pH H₂O
7,6
Org. C
10,0g/kg
Clay
22,5%
Sand
32,8%
Silt
44,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest3.9%
Crops18.9%
Built-up0.3%
Bare soil5.9%
Other (grassland, water…)71.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology22 basins · 10 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
763,3km
Lake surface here
16,56km²
Basins crossed
22
Max stream order
6
Max drainage
75 292km²
Discharge in basins
1 089,6m³/s
Mean precip.
284mm/an
Mean T°
7,5°C
Moisture idx
-0,73
Max snow
26%
Mean runoff
95mm/an
Mean elev. (basins)
1 482m
Watersheds crossing here
- Bassin de Rock Creeksub-area822,2 km²overlap650.05 km²13%
- Bassin de Salmon Falls Creeksub-area773,6 km²overlap595.86 km²12%
- Bassin de Shoshone Creeksub-area878,4 km²overlap568.64 km²11%
- Bassin de Lateral Number 1sub-area548,5 km²overlap549.37 km²11%
- Bassin de Twin Falls Main Canalsub-area471,1 km²overlap445.92 km²9%
- Bassin de Cedar Creeksub-area421,8 km²overlap422.45 km²8%
- Bassin de Salmon Falls Creeksub-area564 km²overlap399.95 km²8%
- Bassin de Cedar Drawsub-area349,5 km²overlap350.07 km²7%
- Bassin de Snake Riversub-area500,4 km²overlap174.89 km²3%
13 more basinssorted by overlap
- Bassin de Snake Riversub-area646,8 km²overlap170.58 km²3%
- Bassin de Snake Riversub-area184,7 km²overlap117.95 km²2%
- Bassin de W Canalsub-area488,6 km²overlap115.90 km²2%
- Bassin de Snake Riversub-area350,2 km²overlap105.26 km²2%
- Bassin de Snake Riversub-area145,8 km²overlap84.54 km²2%
- Bassin de Dry Creeksub-area565,8 km²overlap83.12 km²2%
- Bassin de Salmon Falls Creeksub-area60,9 km²overlap60.99 km²1%
- Bassin de South Fork Salmon Falls Creeksub-area1 201,5 km²overlap60.56 km²1%
- Bassin de Snake Riversub-area471,7 km²overlap20.46 km²0%
- Bassin de Goose Creeksub-area2 439,4 km²overlap18.57 km²0%
- Bassin de Clover Creeksub-area1 321,6 km²overlap3.65 km²0%
- Bassin de Snake Riversub-area13,3 km²overlap2.03 km²0%
- Bassin de Snake Riversub-area1 154,9 km²overlap0.17 km²0%
Lakes (10, top by area)
- Salmon Falls Creek Reservoirarea7,8 km²avg depth22.0 m
- Murtaugh Lakearea2,8 km²avg depth1.9 m
- Lake #11174area2,7 km²avg depth5.1 m
- Cedar Creek Reservoirarea2,3 km²avg depth7.9 m
- Upper Salmon Falls Reservoirarea1,9 km²avg depth6.5 m
- Lac 1050287area0,9 km²avg depth6.6 m
- Lac 1050486area0,3 km²avg depth11.1 m
- Lac 1050253area0,3 km²avg depth4.5 m
- Lac 1050489area0,3 km²avg depth8.7 m
1 more lakes
Rivers / streams (15, ord ≥ 4)
- Salmon Falls Creekord 4len here215.11 km73%total294 km
- Snake Riverord 7len here151.88 km5%total2867 km
- Twin Falls Main Canalord 2len here88.30 km100%total88 km
- Rock Creekord 6len here87.96 km8%total1142 km
- Shoshone Creekord 4len here70.53 km54%total130 km
- Lateral Number 1ord 3len here40.08 km100%total40 km
- Cedar Draword 3len here28.12 km100%total28 km
- Perrine Couleeord 1len here25.03 km100%total25 km
- Cedar Creekord 5len here21.32 km6%total365 km
- Deep Creekord 7len here19.03 km3%total550 km
- Dry Creekord 8len here11.49 km2%total553 km
- North Fork Salmon Falls Creekord 3len here3.94 km8%total50 km
3 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,5nW
Built-up
27,0%
Pesticides
31,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas9
IUCN V · 7IUCN III · 1IUCN Ib · 1
Hagerman Fossil Beds
IUCN IIINational Monument · 1988
18 km²
Lower Salmon Falls Creek
IUCN IbWilderness Study Area · 1992
13 km²
Niagara Springs
IUCN VWildlife Management Area · 1972
5 km²
Hagerman
IUCN VWildlife Management Area
4 km²
L.Q. Drain
IUCN VWildlife Habitat Area · 2001
0 km²
Complete list9 protected areas
- Sikes ActWildlife Habitat AreaIUCN V144 km²
- Hagerman Fossil BedsNational MonumentIUCN III198818 km²
- Lower Salmon Falls CreekWilderness Study AreaIUCN Ib199213 km²
- Niagara SpringsWildlife Management AreaIUCN V19725 km²
- HagermanWildlife Management AreaIUCN V4 km²
- L.Q. DrainWildlife Habitat AreaIUCN V20010 km²
- Niagara SpringsWildlife Management AreaIUCN V19710 km²
- Cedar DrawWildlife Habitat AreaIUCN V19950 km²
- Tom CourtneyConservation ParkIUCN V0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN