Ontologia

County · USA

Churchill

United States

BWkArid, desert, cold(79 %)

Species observed

2 089

Observations

194 472

Area

13 015,6km²

Ecological tissue

Sample of 34 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 Churchill : 25 espèces reliées par 87 interactions GloBI sur 3 types (connectance 15.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
87
Connectance
0.155
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

2 089 distinct species · 194 472 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

194 472 obs · 318 cellules
Obs. / cellule
≥ 10 617
503–10 616
78–502
30–77
< 30

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

12,5°C

Annual rain

173mm

Warmest m°

32,8°C

Coldest m°

-5,2°C

Elevation: 1 441 m on average (min 1 029 m, max 2 863 m)

Bioclimatic detailsExpert
Annual mean temp.
12,5°C
Annual rain
173mm
Warmest month
32,8°C
Coldest month
-5,2°C
Mean alt.
1 441m
Min
1 029m
Max
2 863m
Std. dev.
309m
Köppen-Geiger (dominant)
BWkArid, desert, cold(79 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

8,2

Org. C

9,5g/kg

Clay

23,5%

Sand

43,6%

Silt

32,9%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: vaGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
11,5g/kg
Clay
19,9%
Sand
46,4%
Silt
33,7%
5–15 cm
pH H₂O
8,2
Org. C
9,3g/kg
Clay
24,0%
Sand
43,0%
Silt
33,0%
15–30 cm
pH H₂O
8,2
Org. C
7,9g/kg
Clay
26,7%
Sand
41,4%
Silt
31,9%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest2.5%
Crops0.8%
Built-up0.1%
Bare soil38.8%
Other (grassland, water…)57.8%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology33 basins · 50 lakes · 14 rivers

Hydrology metrics for this exact territory

Stream length here

303,9km

Lake surface here

75,78km²

Basins crossed

33

Max stream order

6

Max drainage

53 632km²

Discharge in basins

30,1m³/s

Mean precip.

165mm/an

Mean T°

10,0°C

Moisture idx

-0,87

Max snow

16%

Mean runoff

27mm/an

Mean elev. (basins)

1 461m

Watersheds crossing here

24 more basins

Lakes (50, top by area)

41 more lakes

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

4,9%

Pesticides

1,5kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas26

IUCN IV · 12IUCN V · 9IUCN Ib · 5

Job Peak

IUCN Ib

Wilderness Study Area · 1992

363 km²

Stillwater

IUCN IV

National Wildlife Refuge · 1913

334 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN