Theodore Roosevelt
IUCN IINational Park · 1978
282 km²
County · USA
Billings
United States
BSkArid, steppe, cold(86 %)
Species observed
1 610
Observations
127 939
Area
2 996km²
Ecological tissue
Sample of 38 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 Billings : 28 espèces reliées par 99 interactions GloBI sur 4 types (connectance 13.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
99
Connectance
0.134
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
1 610 distinct species · 127 939 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,2°C
Annual rain
404mm
Warmest m°
28,6°C
Coldest m°
-12,4°C
Elevation: 781 m on average (min 648 m, max 945 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,2°C
Annual rain
404mm
Warmest month
28,6°C
Coldest month
-12,4°C
Mean alt.
781m
Min
648m
Max
945m
Std. dev.
45m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(86 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,9
Org. C
22,4g/kg
Clay
28,9%
Sand
30,2%
Silt
40,9%
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
6,7
Org. C
34,9g/kg
Clay
27,8%
Sand
30,7%
Silt
41,5%
5–15 cm
pH H₂O
6,9
Org. C
20,1g/kg
Clay
28,4%
Sand
30,4%
Silt
41,1%
15–30 cm
pH H₂O
7,2
Org. C
12,2g/kg
Clay
30,3%
Sand
29,5%
Silt
40,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.3%
Crops11.7%
Built-up0.0%
Bare soil2.4%
Other (grassland, water…)79.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology13 basins · 0 lakes · 25 rivers
Hydrology metrics for this exact territory
Stream length here
488,4km
Basins crossed
13
Max stream order
5
Max drainage
22 028km²
Discharge in basins
57,8m³/s
Mean precip.
393mm/an
Mean T°
5,8°C
Moisture idx
-0,59
Max snow
19%
Mean runoff
54mm/an
Mean elev. (basins)
773m
Watersheds crossing here
- Bassin de Little Missouri Riversub-area1 960,9 km²overlap1488.86 km²50%
- Bassin de Green Riversub-area918,3 km²overlap410.31 km²14%
- Bassin de Little Missouri Riversub-area2 272,3 km²overlap237.77 km²8%
- Bassin de Little Missouri Riversub-area316,4 km²overlap223.57 km²7%
- Bassin de Heart Riversub-area1 201,2 km²overlap222.55 km²7%
- Bassin de Knife Riversub-area630,9 km²overlap201.05 km²7%
- Bassin de Dantz Creeksub-area161 km²overlap137.19 km²5%
- Bassin de Crooked Creeksub-area362 km²overlap38.65 km²1%
- Bassin de Little Missouri Riversub-area1 436,9 km²overlap10.76 km²0%
Rivers / streams (25, ord ≥ 4)
- Little Missouri Riverord 5len here210.89 km12%total1824 km
- Magpie Creekord 2len here37.57 km78%total48 km
- Whitetail Creekord 3len here26.81 km24%total112 km
- Government Creekord 5len here26.74 km54%total49 km
- Knife Riverord 5len here25.75 km8%total341 km
- Blacktail Creekord 3len here20.24 km27%total76 km
- Ash Couleeord 1len here19.74 km100%total20 km
- Sully Creekord 1len here17.94 km100%total18 km
- Dantz Creekord 1len here15.38 km100%total15 km
- Heart Riverord 5len here12.02 km3%total424 km
- Merrifield Creekord 1len here10.15 km100%total10 km
- Spring Creekord 5len here9.49 km0%total2668 km
13 more river segmentssorted by Strahler order + length
- Little Knife Riverord 3len here8.85 km6%total138 km
- Knutson Creekord 2len here8.38 km48%total17 km
- Paddock Creekord 2len here7.32 km24%total30 km
- Railroad Creekord 2len here6.14 km30%total21 km
- Bullion Creeloord 5len here5.32 km94%total6 km
- Hanley Washord 2len here4.56 km40%total11 km
- Garner Creekord 5len here4.40 km51%total9 km
- Crooked Creekord 6len here2.78 km0%total1147 km
- Green Riverord 6len here2.73 km0%total1176 km
- Jones Creekord 3len here2.31 km1%total166 km
- North Fork Bull Creekord 1len here2.02 km33%total6 km
- Dry Creekord 8len here0.84 km0%total1337 km
- Norwegian Creekord 4len here0.05 km0%total46 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
2,2%
Pesticides
6,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN V · 2IUCN II · 1IUCN Ib · 1IUCN Ia · 1
Theodore Roosevelt
IUCN IbWilderness Area · 1978
122 km²
Farm Service Agency Interest Of Nd
IUCN VConservation Easement
21 km²
Bull Creek
IUCN VState Wildlife Management Area · 1997
1 km²
Two Top And Big Top Mesas
IUCN IaResearch Natural Area · 1973
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN