Ontologia

Commune · CHN

Nangqên

China

ETPolar, tundra(59 %)

Species observed

1 230

Observations

16 815

Area

14 053,8km²

Ecological tissue

Sample of 30 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 Nangqên : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 3 types (connectance 7.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
41
Connectance
0.078
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

1 230 distinct species · 16 815 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 815 obs · 121 cellules
Obs. / cellule
≥ 2 726
196–2 725
41–195
12–40
< 12

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

Climate

Mean T°

-3,7°C

Annual rain

813mm

Warmest m°

13,5°C

Coldest m°

-26,0°C

Elevation: 4 441 m on average (min 3 581 m, max 5 518 m)

Bioclimatic detailsExpert
Annual mean temp.
-3,7°C
Annual rain
813mm
Warmest month
13,5°C
Coldest month
-26,0°C
Mean alt.
4 441m
Min
3 581m
Max
5 518m
Std. dev.
325m
Köppen-Geiger (dominant)
ETPolar, tundra(59 %)Polar

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

Soil & lithology

pH H₂O

6,9

Org. C

54,8g/kg

Clay

16,7%

Sand

40,6%

Silt

42,7%

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

Dominant lithology: smGLiMaggregated to Gyêgu Tibetan

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
75,2g/kg
Clay
15,4%
Sand
41,7%
Silt
42,9%
5–15 cm
pH H₂O
6,9
Org. C
59,9g/kg
Clay
16,9%
Sand
40,6%
Silt
42,5%
15–30 cm
pH H₂O
6,9
Org. C
29,2g/kg
Clay
17,8%
Sand
39,6%
Silt
42,7%

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

Land cover

Forest2.2%
Crops0.0%
Built-up0.0%
Bare soil11.0%
Other (grassland, water…)86.8%

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

Hydrology42 basins · 3 lakes · 15 rivers

Hydrology metrics for this exact territory

Stream length here

1 138,1km

Lake surface here

0,80km²

Basins crossed

42

Max stream order

6

Max drainage

19 112km²

Discharge in basins

921,1m³/s

Mean precip.

529mm/an

Mean T°

-0,0°C

Moisture idx

-0,27

Max snow

48%

Mean runoff

234mm/an

Mean elev. (basins)

4 447m

Watersheds crossing here

33 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

0,0nW

Built-up

0,4%

Pesticides

41,3kg/km²

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