Ontologia

Commune · CHN

Xiahe

China

DwcCold, dry winter, cold summer(80 %)

Species observed

1 342

Observations

6 762

Area

8 619,7km²

Ecological tissue

Sample of 38 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 Xiahe : 28 espèces reliées par 67 interactions GloBI sur 3 types (connectance 8.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
67
Connectance
0.086
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

1 342 distinct species · 6 762 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 762 obs · 71 cellules
Obs. / cellule
≥ 4 223
117–4 222
26–116
12–25
< 12

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

Climate

Mean T°

0,2°C

Annual rain

828mm

Warmest m°

15,4°C

Coldest m°

-21,1°C

Elevation: 3 406 m on average (min 2 281 m, max 4 470 m)

Bioclimatic detailsExpert
Annual mean temp.
0,2°C
Annual rain
828mm
Warmest month
15,4°C
Coldest month
-21,1°C
Mean alt.
3 406m
Min
2 281m
Max
4 470m
Std. dev.
309m
Köppen-Geiger (dominant)
DwcCold, dry winter, cold summer(80 %)Cold

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

45,4g/kg

Clay

20,8%

Sand

30,6%

Silt

48,6%

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

Dominant lithology: ssGLiMaggregated to Gannan Tibetan

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
64,2g/kg
Clay
20,0%
Sand
31,1%
Silt
48,9%
5–15 cm
pH H₂O
7,3
Org. C
43,4g/kg
Clay
20,8%
Sand
30,8%
Silt
48,5%
15–30 cm
pH H₂O
7,3
Org. C
28,5g/kg
Clay
21,7%
Sand
30,0%
Silt
48,3%

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

Land cover

Forest7.6%
Crops1.8%
Built-up0.0%
Bare soil3.9%
Other (grassland, water…)86.7%

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

Hydrology21 basins · 0 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

579,3km

Basins crossed

21

Max stream order

5

Max drainage

17 334km²

Discharge in basins

83,3m³/s

Mean precip.

592mm/an

Mean T°

1,1°C

Moisture idx

-0,22

Max snow

4%

Mean runoff

125mm/an

Mean elev. (basins)

3 368m

Watersheds crossing here

12 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

2,8%

Pesticides

38,4kg/km²

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

Protected areas1

IUCN Not Reported · 1

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