Ontologia

Commune · CHN

Xiaojin

China

ETPolar, tundra(52 %)

Species observed

2 130

Observations

20 872

Area

5 565,8km²

Ecological tissue

Sample of 17 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 Xiaojin : 9 espèces reliées par 34 interactions GloBI sur 3 types (connectance 14.7%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
34
Connectance
0.147
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

2 130 distinct species · 20 872 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 872 obs · 93 cellules
Obs. / cellule
≥ 7 175
174–7 174
31–173
10–30
< 10

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

1 065mm

Warmest m°

14,1°C

Coldest m°

-21,1°C

Elevation: 3 917 m on average (min 2 067 m, max 5 377 m)

Bioclimatic detailsExpert
Annual mean temp.
0,2°C
Annual rain
1 065mm
Warmest month
14,1°C
Coldest month
-21,1°C
Mean alt.
3 917m
Min
2 067m
Max
5 377m
Std. dev.
531m
Köppen-Geiger (dominant)
ETPolar, tundra(52 %)Polar

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

Soil & lithology

pH H₂O

6,1

Org. C

62,0g/kg

Clay

19,4%

Sand

43,5%

Silt

37,1%

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

Dominant lithology: smGLiMaggregated to Ngawa Tibetan and Qiang

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
91,3g/kg
Clay
18,8%
Sand
43,6%
Silt
37,6%
5–15 cm
pH H₂O
6,1
Org. C
58,8g/kg
Clay
19,7%
Sand
43,3%
Silt
37,0%
15–30 cm
pH H₂O
6,2
Org. C
36,0g/kg
Clay
19,8%
Sand
43,6%
Silt
36,6%

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

Land cover

Forest37.1%
Crops0.3%
Built-up0.0%
Bare soil12.5%
Other (grassland, water…)50.1%

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

Hydrology25 basins · 2 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

419,9km

Lake surface here

0,28km²

Basins crossed

25

Max stream order

6

Max drainage

54 497km²

Discharge in basins

287,2m³/s

Mean precip.

938mm/an

Mean T°

2,2°C

Moisture idx

0,16

Max snow

25%

Mean runoff

462mm/an

Mean elev. (basins)

3 887m

Watersheds crossing here

16 more basins

Lakes (2, 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

0,4%

Pesticides

57,6kg/km²

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

Protected areas2

IUCN Not Applicable · 2

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