Ontologia

Commune · CHN

Yadong

China

ETPolar, tundra(92 %)

Species observed

1 286

Observations

4 826

Area

3 741,5km²

Ecological tissue

Sample of 24 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 Yadong : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 2 types (connectance 9.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
28
Connectance
0.093
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

1 286 distinct species · 4 826 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 826 obs · 57 cellules
Obs. / cellule
≥ 3 479
107–3 478
12–106
6–11
< 6

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

Climate

Mean T°

-2,1°C

Annual rain

958mm

Warmest m°

9,7°C

Coldest m°

-19,4°C

Elevation: 4 661 m on average (min 2 466 m, max 6 526 m)

Bioclimatic detailsExpert
Annual mean temp.
-2,1°C
Annual rain
958mm
Warmest month
9,7°C
Coldest month
-19,4°C
Mean alt.
4 661m
Min
2 466m
Max
6 526m
Std. dev.
472m
Köppen-Geiger (dominant)
ETPolar, tundra(92 %)Polar

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

Soil & lithology

pH H₂O

7,0

Org. C

35,0g/kg

Clay

14,1%

Sand

52,9%

Silt

33,0%

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

Dominant lithology: smGLiMaggregated to Shigatse

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
45,5g/kg
Clay
13,8%
Sand
53,0%
Silt
33,2%
5–15 cm
pH H₂O
7,0
Org. C
35,8g/kg
Clay
14,2%
Sand
52,6%
Silt
33,2%
15–30 cm
pH H₂O
7,1
Org. C
23,6g/kg
Clay
14,3%
Sand
53,1%
Silt
32,7%

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

Land cover

Forest7.1%
Crops0.2%
Built-up0.0%
Bare soil38.5%
Other (grassland, water…)54.3%

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

Hydrology18 basins · 13 lakes · 42 rivers

Hydrology metrics for this exact territory

Stream length here

396,6km

Lake surface here

69,11km²

Basins crossed

18

Max stream order

4

Max drainage

5 555km²

Discharge in basins

49,0m³/s

Mean precip.

443mm/an

Mean T°

0,7°C

Moisture idx

-0,46

Max snow

34%

Mean runoff

411mm/an

Mean elev. (basins)

4 567m

Rivers / streams (42, ord ≥ 4)

30 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

1,1%

Pesticides

7,2kg/km²

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

Protected areas2

IUCN II · 1IUCN Ia · 1

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