Ontologia

Commune · CHN

Yumen

China

BWkArid, desert, cold(95 %)

Species observed

299

Observations

2 820

Area

13 490,8km²

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 Yumen : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 72 interactions GloBI sur 3 types (connectance 12.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
72
Connectance
0.128
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

299 distinct species · 2 820 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 820 obs · 16 cellules
Obs. / cellule
≥ 1 072
626–1 071
201–625
7–200
< 7

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

Climate

Mean T°

7,2°C

Annual rain

118mm

Warmest m°

28,5°C

Coldest m°

-15,3°C

Elevation: 1 703 m on average (min 1 205 m, max 4 068 m)

Bioclimatic detailsExpert
Annual mean temp.
7,2°C
Annual rain
118mm
Warmest month
28,5°C
Coldest month
-15,3°C
Mean alt.
1 703m
Min
1 205m
Max
4 068m
Std. dev.
464m
Köppen-Geiger (dominant)
BWkArid, desert, cold(95 %)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

8,0g/kg

Clay

20,2%

Sand

37,8%

Silt

42,0%

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

Dominant lithology: paGLiMaggregated to Jiuquan

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
8,9g/kg
Clay
20,3%
Sand
38,2%
Silt
41,5%
5–15 cm
pH H₂O
8,2
Org. C
8,2g/kg
Clay
19,9%
Sand
37,9%
Silt
42,2%
15–30 cm
pH H₂O
8,2
Org. C
6,8g/kg
Clay
20,4%
Sand
37,3%
Silt
42,3%

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

Land cover

Forest0.2%
Crops6.1%
Built-up0.1%
Bare soil83.5%
Other (grassland, water…)10.1%

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

Hydrology20 basins · 4 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

590,6km

Lake surface here

3,86km²

Basins crossed

20

Max stream order

6

Max drainage

15 872km²

Discharge in basins

22,6m³/s

Mean precip.

91mm/an

Mean T°

5,5°C

Moisture idx

-0,89

Max snow

11%

Mean runoff

6mm/an

Mean elev. (basins)

1 910m

Watersheds crossing here

11 more basins

Lakes (4, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

6,3%

Pesticides

18,1kg/km²

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