Ontologia

Commune · CHN

Ejin

China

BWkArid, desert, cold(100 %)

Species observed

394

Observations

1 314

Area

85 101,4km²

Ecological tissue

Sample of 28 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 Ejin : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 1 bulle famille, 25 interactions GloBI documentées sur 2 types (connectance 6.6%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
28
Interactions affichées
25
Connectance
0.066
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

394 distinct species · 1 314 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 314 obs · 19 cellules
Obs. / cellule
≥ 982
219–981
6–218
3–5
< 3

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

9,3°C

Annual rain

51mm

Warmest m°

32,8°C

Coldest m°

-15,6°C

Elevation: 1 131 m on average (min 880 m, max 1 872 m)

Bioclimatic detailsExpert
Annual mean temp.
9,3°C
Annual rain
51mm
Warmest month
32,8°C
Coldest month
-15,6°C
Mean alt.
1 131m
Min
880m
Max
1 872m
Std. dev.
196m
Köppen-Geiger (dominant)
BWkArid, desert, cold(100 %)Arid

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

Soil & lithology

pH H₂O

8,1

Org. C

7,1g/kg

Clay

25,7%

Sand

36,2%

Silt

38,1%

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

Dominant lithology: smGLiMaggregated to Alxa

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
8,1g/kg
Clay
26,0%
Sand
36,3%
Silt
37,7%
5–15 cm
pH H₂O
8,1
Org. C
7,3g/kg
Clay
26,1%
Sand
35,8%
Silt
38,0%
15–30 cm
pH H₂O
8,1
Org. C
5,8g/kg
Clay
24,9%
Sand
36,5%
Silt
38,6%

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

Land cover

Forest0.0%
Crops0.3%
Built-up0.0%
Bare soil97.8%
Other (grassland, water…)1.8%

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

Hydrology151 basins · 9 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

443,2km

Lake surface here

52,19km²

Basins crossed

151

Max stream order

6

Max drainage

71 257km²

Discharge in basins

305,1m³/s

Mean precip.

51mm/an

Mean T°

7,8°C

Moisture idx

-0,95

Max snow

23%

Mean runoff

2mm/an

Mean elev. (basins)

1 161m

Watersheds crossing here

142 more basins

Lakes (9, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,5%

Pesticides

0,4kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN Ib · 1

Great Gobi

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1975

54 996 km²

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