Ontologia

Commune · CHN

Lhazê

China

ETPolar, tundra(44 %)

Species observed

249

Observations

651

Area

4 400,4km²

Ecological tissue

Sample of 32 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 Lhazê : 22 espèces reliées par 37 interactions GloBI sur 4 types (connectance 7.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
37
Connectance
0.075
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

249 distinct species · 651 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

651 obs · 32 cellules
Obs. / cellule
≥ 134
60–133
14–59
5–13
< 5

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

Climate

Mean T°

2,7°C

Annual rain

584mm

Warmest m°

16,5°C

Coldest m°

-14,7°C

Elevation: 4 592 m on average (min 3 896 m, max 5 976 m)

Bioclimatic detailsExpert
Annual mean temp.
2,7°C
Annual rain
584mm
Warmest month
16,5°C
Coldest month
-14,7°C
Mean alt.
4 592m
Min
3 896m
Max
5 976m
Std. dev.
459m
Köppen-Geiger (dominant)
ETPolar, tundra(44 %)Polar

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

Soil & lithology

pH H₂O

7,5

Org. C

18,7g/kg

Clay

12,6%

Sand

56,6%

Silt

30,8%

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
7,5
Org. C
23,4g/kg
Clay
11,8%
Sand
57,2%
Silt
31,1%
5–15 cm
pH H₂O
7,5
Org. C
18,6g/kg
Clay
12,5%
Sand
56,5%
Silt
30,9%
15–30 cm
pH H₂O
7,6
Org. C
14,2g/kg
Clay
13,4%
Sand
56,1%
Silt
30,5%

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

Land cover

Forest0.0%
Crops0.4%
Built-up0.0%
Bare soil35.8%
Other (grassland, water…)63.8%

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

Hydrology19 basins · 7 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

271,7km

Lake surface here

3,19km²

Basins crossed

19

Max stream order

7

Max drainage

74 089km²

Discharge in basins

2 557,4m³/s

Mean precip.

284mm/an

Mean T°

1,1°C

Moisture idx

-0,66

Max snow

2%

Mean runoff

106mm/an

Mean elev. (basins)

4 646m

Watersheds crossing here

10 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

1,0%

Pesticides

75,7kg/km²

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