Ontologia

Autonomous Prefecture · CHN

Dêqên Tibetan

China

DwbCold, dry winter, warm summer(35 %)

Species observed

7 358

Observations

102 626

Area

23 144,6km²

Ecological tissue

Sample of 29 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 Dêqên Tibetan : 25 espèces reliées par 30 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
30
Connectance
0.074
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

7 358 distinct species · 102 626 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

102 626 obs · 458 cellules
Obs. / cellule
≥ 4 685
175–4 684
32–174
9–31
< 9

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

Climate

Mean T°

5,5°C

Annual rain

1 101mm

Warmest m°

16,3°C

Coldest m°

-11,3°C

Elevation: 3 458 m on average (min 1 664 m, max 5 882 m)

Bioclimatic detailsExpert
Annual mean temp.
5,5°C
Annual rain
1 101mm
Warmest month
16,3°C
Coldest month
-11,3°C
Mean alt.
3 458m
Min
1 664m
Max
5 882m
Std. dev.
677m
Köppen-Geiger (dominant)
DwbCold, dry winter, warm summer(35 %)Cold

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

60,3g/kg

Clay

19,9%

Sand

38,7%

Silt

41,4%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
83,5g/kg
Clay
19,1%
Sand
39,3%
Silt
41,6%
5–15 cm
pH H₂O
6,1
Org. C
62,9g/kg
Clay
19,9%
Sand
38,6%
Silt
41,5%
15–30 cm
pH H₂O
6,1
Org. C
34,4g/kg
Clay
20,6%
Sand
38,4%
Silt
41,0%

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

Land cover

Forest55.9%
Crops1.1%
Built-up0.0%
Bare soil5.9%
Other (grassland, water…)37.1%

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

Hydrology50 basins · 4 lakes · 36 rivers

Hydrology metrics for this exact territory

Stream length here

2 807,1km

Lake surface here

3,70km²

Basins crossed

50

Max stream order

7

Max drainage

218 927km²

Discharge in basins

9 941,5m³/s

Mean precip.

822mm/an

Mean T°

6,7°C

Moisture idx

-0,10

Max snow

32%

Mean runoff

531mm/an

Mean elev. (basins)

3 449m

Watersheds crossing here

41 more basins

Lakes (4, top by area)

Rivers / streams (36, ord ≥ 4)

24 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

3,5%

Pesticides

42,6kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN Ia · 1📍 Point sites · 1

Napahai Wetland

IUCN Ia

Wetland of International Importance (Ramsar Site) · 2004

21 km²

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

Sub-administrations3