Onion Park
IUCN IaResearch Natural Area · 1994
5 km²
County · USA
Meagher
United States
DfbCold, no dry season, warm summer(72 %)
Species observed
1 380
Observations
32 158
Area
6 211,6km²
Ecological tissue
Sample of 32 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 Meagher : 19 espèces reliées par 96 interactions GloBI sur 3 types (connectance 18.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
96
Connectance
0.182
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
1 380 distinct species · 32 158 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
3,3°C
Annual rain
483mm
Warmest m°
23,9°C
Coldest m°
-13,3°C
Elevation: 1 788 m on average (min 1 282 m, max 2 686 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
3,3°C
Annual rain
483mm
Warmest month
23,9°C
Coldest month
-13,3°C
Mean alt.
1 788m
Min
1 282m
Max
2 686m
Std. dev.
233m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(72 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,5
Org. C
32,0g/kg
Clay
24,9%
Sand
37,3%
Silt
37,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,4
Org. C
52,1g/kg
Clay
24,1%
Sand
37,5%
Silt
38,4%
5–15 cm
pH H₂O
6,5
Org. C
28,5g/kg
Clay
25,2%
Sand
37,1%
Silt
37,7%
15–30 cm
pH H₂O
6,6
Org. C
15,3g/kg
Clay
25,6%
Sand
37,2%
Silt
37,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest34.8%
Crops3.1%
Built-up0.0%
Bare soil3.0%
Other (grassland, water…)59.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology20 basins · 7 lakes · 20 rivers
Hydrology metrics for this exact territory
Stream length here
737,3km
Lake surface here
3,98km²
Basins crossed
20
Max stream order
4
Max drainage
45 312km²
Discharge in basins
57,9m³/s
Mean precip.
460mm/an
Mean T°
4,1°C
Moisture idx
-0,46
Max snow
46%
Mean runoff
122mm/an
Mean elev. (basins)
1 762m
Watersheds crossing here
- Bassin de Smith Riversub-area1 243,6 km²overlap1244.13 km²20%
- Bassin de South Fork Musselshell Riversub-area719,9 km²overlap721.73 km²12%
- Bassin de North Fork Musselshell Riversub-area646,8 km²overlap642.09 km²10%
- Bassin de Sixteen Mile Creeksub-area1 368,1 km²overlap634.81 km²10%
- Bassin de Smith Riversub-area923,7 km²overlap517.62 km²8%
- Bassin de North Fork Smith Riversub-area500,7 km²overlap501.12 km²8%
- Bassin de Sheep Creeksub-area497,5 km²overlap494.50 km²8%
- Bassin de South Fork Smith Riversub-area448,5 km²overlap448.92 km²7%
- Bassin de Smith Riversub-area377,5 km²overlap377.35 km²6%
11 more basinssorted by overlap
- Bassin de Musselshell Riversub-area751 km²overlap186.11 km²3%
- Bassin de Eagle Creeksub-area181,6 km²overlap182.08 km²3%
- Bassin de Shields Riversub-area2 198,8 km²overlap125.43 km²2%
- Bassin de Hound Creeksub-area586 km²overlap71.80 km²1%
- Bassin de Big Elk Creeksub-area274 km²overlap27.75 km²0%
- Bassin de Missouri Riversub-area3 667,6 km²overlap17.80 km²0%
- Bassin de Belt Creeksub-area2 075,1 km²overlap5.86 km²0%
- Bassin de Missouri Riversub-area2 145,7 km²overlap4.00 km²0%
- Bassin de Judith Riversub-area1 405,4 km²overlap3.74 km²0%
- Bassin de Smith Riversub-area417,8 km²overlap2.69 km²0%
- Bassin de American Forksub-area451,2 km²overlap2.01 km²0%
Lakes (7, top by area)
Rivers / streams (20, ord ≥ 4)
- Smith Riverord 4len here191.36 km53%total362 km
- North Fork Smith Riverord 3len here93.10 km100%total93 km
- North Fork Musselshell Riverord 3len here86.32 km100%total86 km
- Sixteen Mile Creekord 4len here83.60 km57%total146 km
- South Fork Musselshell Riverord 3len here74.98 km100%total75 km
- South Fork Smith Riverord 3len here60.77 km100%total61 km
- Sheep Creekord 4len here23.70 km8%total296 km
- Tenderfoot Creekord 2len here21.11 km100%total21 km
- Eagle Creekord 4len here20.55 km4%total531 km
- Big Birch Creekord 1len here17.15 km100%total17 km
- Daisy Dean Creekord 2len here15.22 km49%total31 km
- Bozeman Fork Musselshell Riverord 2len here13.22 km100%total13 km
8 more river segmentssorted by Strahler order + length
- Little Elk Creekord 5len here12.81 km18%total70 km
- Spring Creekord 5len here5.67 km0%total2668 km
- Smith Creekord 3len here5.33 km3%total185 km
- Musselshell Riverord 6len here5.19 km1%total689 km
- East Fork Miller Creekord 1len here2.60 km78%total3 km
- West Fork Miller Creekord 1len here2.32 km89%total3 km
- Middle Fork Big Elk Creekord 1len here1.16 km23%total5 km
- East Fork Smith Creekord 1len here1.13 km100%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
1,1%
Pesticides
2,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Ia · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN