Ontologia

Commune · CHN

Jiayuguan

China

BWkArid, desert, cold(100 %)

Species observed

82

Observations

187

Area

1 300,2km²

Ecological tissue

Sample of 33 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 Jiayuguan : 29 espèces reliées par 37 interactions GloBI sur 5 types (connectance 7.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
37
Connectance
0.070
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

82 distinct species · 187 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

187 obs · 10 cellules
Obs. / cellule
≥ 76
76–75
35–75
8–34
< 8

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

Climate

Mean T°

6,8°C

Annual rain

141mm

Warmest m°

26,9°C

Coldest m°

-13,6°C

Elevation: 1 765 m on average (min 1 385 m, max 2 619 m)

Bioclimatic detailsExpert
Annual mean temp.
6,8°C
Annual rain
141mm
Warmest month
26,9°C
Coldest month
-13,6°C
Mean alt.
1 765m
Min
1 385m
Max
2 619m
Std. dev.
219m
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

8,2

Org. C

7,3g/kg

Clay

17,9%

Sand

42,2%

Silt

40,0%

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

Dominant lithology: suGLiMaggregated to Jiayuguan

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
8,2g/kg
Clay
18,3%
Sand
42,1%
Silt
39,6%
5–15 cm
pH H₂O
8,2
Org. C
7,2g/kg
Clay
17,3%
Sand
42,5%
Silt
40,2%
15–30 cm
pH H₂O
8,2
Org. C
6,5g/kg
Clay
18,0%
Sand
41,8%
Silt
40,1%

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

Land cover

Forest0.5%
Crops8.0%
Built-up1.0%
Bare soil73.9%
Other (grassland, water…)16.6%

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

Hydrology9 basins · 2 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

50,9km

Lake surface here

3,73km²

Basins crossed

9

Max stream order

4

Max drainage

11 741km²

Discharge in basins

3,2m³/s

Mean precip.

109mm/an

Mean T°

6,1°C

Moisture idx

-0,87

Max snow

6%

Mean runoff

9mm/an

Mean elev. (basins)

1 860m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

2,2nW

Built-up

97,4%

Pesticides

33,4kg/km²

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