Ontologia

Autonomous Prefecture · CHN

Huangnan Tibetan

China

DwcCold, dry winter, cold summer(56 %)

Species observed

1 587

Observations

6 298

Area

17 791km²

Ecological tissue

Sample of 26 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 Huangnan Tibetan : 22 espèces reliées par 32 interactions GloBI sur 2 types (connectance 9.8%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
32
Connectance
0.099
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

1 587 distinct species · 6 298 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 298 obs · 91 cellules
Obs. / cellule
≥ 1 981
78–1 980
16–77
5–15
< 5

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

Climate

Mean T°

-0,4°C

Annual rain

783mm

Warmest m°

14,9°C

Coldest m°

-21,0°C

Elevation: 3 639 m on average (min 2 013 m, max 4 740 m)

Bioclimatic detailsExpert
Annual mean temp.
-0,4°C
Annual rain
783mm
Warmest month
14,9°C
Coldest month
-21,0°C
Mean alt.
3 639m
Min
2 013m
Max
4 740m
Std. dev.
359m
Köppen-Geiger (dominant)
DwcCold, dry winter, cold summer(56 %)Cold

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

Soil & lithology

pH H₂O

7,4

Org. C

45,4g/kg

Clay

20,3%

Sand

32,5%

Silt

47,3%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
64,0g/kg
Clay
19,7%
Sand
32,9%
Silt
47,4%
5–15 cm
pH H₂O
7,4
Org. C
45,2g/kg
Clay
20,1%
Sand
32,6%
Silt
47,3%
15–30 cm
pH H₂O
7,4
Org. C
27,1g/kg
Clay
21,0%
Sand
31,9%
Silt
47,1%

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

Land cover

Forest3.1%
Crops1.7%
Built-up0.0%
Bare soil4.8%
Other (grassland, water…)90.4%

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

Hydrology59 basins · 3 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

1 233,6km

Lake surface here

16,16km²

Basins crossed

59

Max stream order

6

Max drainage

146 976km²

Discharge in basins

2 076,1m³/s

Mean precip.

562mm/an

Mean T°

0,1°C

Moisture idx

-0,23

Max snow

5%

Mean runoff

84mm/an

Mean elev. (basins)

3 625m

Watersheds crossing here

50 more basins

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

2,2%

Pesticides

24,7kg/km²

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

Sub-administrations4