Ontologia

Commune · CHN

Pishan

China

BWkArid, desert, cold(70 %)

Species observed

376

Observations

797

Area

39 717,2km²

Ecological tissue

Sample of 23 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 Pishan : 17 espèces reliées par 22 interactions GloBI sur 3 types (connectance 8.7%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
22
Connectance
0.087
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

376 distinct species · 797 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

797 obs · 72 cellules
Obs. / cellule
≥ 269
20–268
4–19
2–3
< 2

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

Climate

Mean T°

3,9°C

Annual rain

251mm

Warmest m°

22,1°C

Coldest m°

-17,6°C

Elevation: 2 698 m on average (min 1 173 m, max 6 096 m)

Bioclimatic detailsExpert
Annual mean temp.
3,9°C
Annual rain
251mm
Warmest month
22,1°C
Coldest month
-17,6°C
Mean alt.
2 698m
Min
1 173m
Max
6 096m
Std. dev.
1 592m
Köppen-Geiger (dominant)
BWkArid, desert, cold(70 %)Arid

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

Soil & lithology

pH H₂O

7,3

Org. C

14,4g/kg

Clay

26,1%

Sand

32,5%

Silt

41,4%

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

Dominant lithology: ssGLiMaggregated to Khotan

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
17,9g/kg
Clay
26,1%
Sand
32,4%
Silt
41,5%
5–15 cm
pH H₂O
7,3
Org. C
13,6g/kg
Clay
26,2%
Sand
32,5%
Silt
41,3%
15–30 cm
pH H₂O
7,4
Org. C
11,6g/kg
Clay
26,2%
Sand
32,5%
Silt
41,3%

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

Land cover

Forest0.2%
Crops1.3%
Built-up0.0%
Bare soil83.5%
Other (grassland, water…)15.0%

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

Hydrology83 basins · 12 lakes · 26 rivers

Hydrology metrics for this exact territory

Stream length here

1 731,5km

Lake surface here

19,32km²

Basins crossed

83

Max stream order

5

Max drainage

22 125km²

Discharge in basins

37,6m³/s

Mean precip.

43mm/an

Mean T°

5,4°C

Moisture idx

-0,94

Max snow

48%

Mean runoff

6mm/an

Mean elev. (basins)

2 658m

Watersheds crossing here

74 more basins

Lakes (12, top by area)

3 more lakes

Rivers / streams (26, ord ≥ 4)

14 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,7%

Pesticides

6,4kg/km²

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