Ontologia

Prefecture · CHN

Ngari

China

ETPolar, tundra(66 %)

Species observed

1 453

Observations

10 035

Area

288 867,3km²

Ecological tissue

Sample of 36 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 Ngari : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 53 interactions GloBI sur 4 types (connectance 8.4%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
53
Connectance
0.084
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

1 453 distinct species · 10 035 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 035 obs · 107 cellules
Obs. / cellule
≥ 1 362
163–1 361
17–162
5–16
< 5

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

-5,2°C

Annual rain

382mm

Warmest m°

12,4°C

Coldest m°

-25,1°C

Elevation: 5 036 m on average (min 3 076 m, max 7 297 m)

Bioclimatic detailsExpert
Annual mean temp.
-5,2°C
Annual rain
382mm
Warmest month
12,4°C
Coldest month
-25,1°C
Mean alt.
5 036m
Min
3 076m
Max
7 297m
Std. dev.
386m
Köppen-Geiger (dominant)
ETPolar, tundra(66 %)Polar

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

Soil & lithology

pH H₂O

7,9

Org. C

17,2g/kg

Clay

21,9%

Sand

44,7%

Silt

33,4%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
19,7g/kg
Clay
21,2%
Sand
45,2%
Silt
33,6%
5–15 cm
pH H₂O
7,9
Org. C
17,4g/kg
Clay
22,1%
Sand
44,5%
Silt
33,4%
15–30 cm
pH H₂O
7,9
Org. C
14,5g/kg
Clay
22,5%
Sand
44,3%
Silt
33,2%

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

Land cover

Forest0.0%
Crops0.0%
Built-up0.0%
Bare soil73.9%
Other (grassland, water…)26.1%

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

Hydrology402 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

8 752,2km

Lake surface here

5 202,91km²

Basins crossed

402

Max stream order

6

Max drainage

42 949km²

Discharge in basins

3 709,9m³/s

Mean precip.

203mm/an

Mean T°

-4,1°C

Moisture idx

-0,67

Max snow

68%

Mean runoff

113mm/an

Mean elev. (basins)

5 034m

Watersheds crossing here

393 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 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

0,1%

Pesticides

0,1kg/km²

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

Protected areas4

IUCN Not Applicable · 1IUCN VI · 1IUCN Ib · 1IUCN Ia · 1

Nanda Devi

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 2004

5 666 km²

Api - Nampa

IUCN VI

Conservation Area · 2010

1 899 km²

Mapangyong Cuo

IUCN Ia

Wetland of International Importance (Ramsar Site) · 2004

738 km²

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

Sub-administrations7