Ontologia

Commune · CHN

Nêdong

China

ETPolar, tundra(48 %)

Species observed

208

Observations

501

Area

2 213,5km²

Ecological tissue

Sample of 35 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 Nêdong : 22 espèces reliées par 60 interactions GloBI sur 4 types (connectance 9.0%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
60
Connectance
0.090
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

208 distinct species · 501 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

501 obs · 20 cellules
Obs. / cellule
≥ 228
46–227
24–45
13–23
< 13

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

Climate

Mean T°

1,3°C

Annual rain

627mm

Warmest m°

14,4°C

Coldest m°

-16,0°C

Elevation: 4 544 m on average (min 3 548 m, max 5 983 m)

Bioclimatic detailsExpert
Annual mean temp.
1,3°C
Annual rain
627mm
Warmest month
14,4°C
Coldest month
-16,0°C
Mean alt.
4 544m
Min
3 548m
Max
5 983m
Std. dev.
555m
Köppen-Geiger (dominant)
ETPolar, tundra(48 %)Polar

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

Soil & lithology

pH H₂O

7,1

Org. C

29,3g/kg

Clay

12,7%

Sand

52,8%

Silt

34,5%

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

Dominant lithology: smGLiMaggregated to Shannan

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
37,1g/kg
Clay
12,0%
Sand
53,4%
Silt
34,5%
5–15 cm
pH H₂O
7,1
Org. C
29,6g/kg
Clay
12,9%
Sand
52,6%
Silt
34,6%
15–30 cm
pH H₂O
7,2
Org. C
21,1g/kg
Clay
13,1%
Sand
52,4%
Silt
34,5%

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

Land cover

Forest2.2%
Crops0.1%
Built-up0.1%
Bare soil16.6%
Other (grassland, water…)81.0%

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

Hydrology8 basins · 1 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

83,2km

Lake surface here

0,18km²

Basins crossed

8

Max stream order

7

Max drainage

168 431km²

Discharge in basins

1 175,8m³/s

Mean precip.

288mm/an

Mean T°

2,4°C

Moisture idx

-0,66

Max snow

8%

Mean runoff

319mm/an

Mean elev. (basins)

4 510m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

14,2%

Pesticides

69,9kg/km²

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