Ontologia

Commune · CHN

Nyima

China

ETPolar, tundra(73 %)

Species observed

235

Observations

398

Area

176 258,9km²

Ecological tissue

Sample of 37 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 Nyima : 28 espèces reliées par 45 interactions GloBI sur 4 types (connectance 5.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
45
Connectance
0.058
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

235 distinct species · 398 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

398 obs · 45 cellules
Obs. / cellule
≥ 135
16–134
7–15
3–6
< 3

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

Climate

Mean T°

-5,0°C

Annual rain

437mm

Warmest m°

11,5°C

Coldest m°

-23,1°C

Elevation: 5 020 m on average (min 4 418 m, max 6 337 m)

Bioclimatic detailsExpert
Annual mean temp.
-5,0°C
Annual rain
437mm
Warmest month
11,5°C
Coldest month
-23,1°C
Mean alt.
5 020m
Min
4 418m
Max
6 337m
Std. dev.
240m
Köppen-Geiger (dominant)
ETPolar, tundra(73 %)Polar

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

Soil & lithology

pH H₂O

8,1

Org. C

15,0g/kg

Clay

24,6%

Sand

40,2%

Silt

35,2%

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

Dominant lithology: smGLiMaggregated to Nagchu

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
17,1g/kg
Clay
23,7%
Sand
41,1%
Silt
35,2%
5–15 cm
pH H₂O
8,1
Org. C
15,6g/kg
Clay
24,8%
Sand
40,0%
Silt
35,2%
15–30 cm
pH H₂O
8,1
Org. C
12,4g/kg
Clay
25,3%
Sand
39,5%
Silt
35,2%

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

Land cover

Forest0.0%
Crops0.0%
Built-up0.0%
Bare soil70.1%
Other (grassland, water…)29.9%

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

Hydrology205 basins · 50 lakes · 49 rivers

Hydrology metrics for this exact territory

Stream length here

3 888,0km

Lake surface here

3 915,39km²

Basins crossed

205

Max stream order

6

Max drainage

29 077km²

Discharge in basins

180,4m³/s

Mean precip.

164mm/an

Mean T°

-4,7°C

Moisture idx

-0,72

Max snow

23%

Mean runoff

59mm/an

Mean elev. (basins)

5 023m

Watersheds crossing here

196 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (49, ord ≥ 4)

37 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

0,0%

Pesticides

0,1kg/km²

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

Protected areas1

IUCN Ia · 1

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