Ontologia

Commune · CHN

Doilungdêqên

China

ETPolar, tundra(64 %)

Species observed

446

Observations

1 366

Area

2 676,5km²

Ecological tissue

Sample of 41 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 Doilungdêqên : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 4 types (connectance 6.7%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
58
Connectance
0.067
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

446 distinct species · 1 366 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 366 obs · 31 cellules
Obs. / cellule
≥ 434
117–433
24–116
8–23
< 8

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

Climate

Mean T°

-0,5°C

Annual rain

891mm

Warmest m°

13,2°C

Coldest m°

-19,9°C

Elevation: 4 785 m on average (min 3 617 m, max 5 726 m)

Bioclimatic detailsExpert
Annual mean temp.
-0,5°C
Annual rain
891mm
Warmest month
13,2°C
Coldest month
-19,9°C
Mean alt.
4 785m
Min
3 617m
Max
5 726m
Std. dev.
554m
Köppen-Geiger (dominant)
ETPolar, tundra(64 %)Polar

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

Soil & lithology

pH H₂O

7,1

Org. C

27,3g/kg

Clay

13,1%

Sand

52,7%

Silt

34,2%

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

Dominant lithology: paGLiMaggregated to Lhasa

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
35,2g/kg
Clay
12,6%
Sand
52,7%
Silt
34,7%
5–15 cm
pH H₂O
7,1
Org. C
26,8g/kg
Clay
13,3%
Sand
52,6%
Silt
34,2%
15–30 cm
pH H₂O
7,1
Org. C
19,8g/kg
Clay
13,3%
Sand
53,0%
Silt
33,7%

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

Land cover

Forest0.4%
Crops0.0%
Built-up0.3%
Bare soil22.3%
Other (grassland, water…)76.9%

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

Hydrology16 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

219,4km

Basins crossed

16

Max stream order

6

Max drainage

159 404km²

Discharge in basins

92,0m³/s

Mean precip.

283mm/an

Mean T°

0,6°C

Moisture idx

-0,64

Max snow

21%

Mean runoff

106mm/an

Mean elev. (basins)

4 778m

Watersheds crossing here

7 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,8nW

Built-up

31,9%

Pesticides

59,5kg/km²

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