Ontologia

Commune · CHN

Gangca

China

ETPolar, tundra(69 %)

Species observed

488

Observations

2 259

Area

8 143,3km²

Ecological tissue

Sample of 40 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 Gangca : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 5 types (connectance 9.4%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
77
Connectance
0.094
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

488 distinct species · 2 259 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 259 obs · 66 cellules
Obs. / cellule
≥ 1 047
77–1 046
11–76
3–10
< 3

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

Climate

Mean T°

-3,5°C

Annual rain

680mm

Warmest m°

13,6°C

Coldest m°

-22,2°C

Elevation: 3 691 m on average (min 3 195 m, max 4 416 m)

Bioclimatic detailsExpert
Annual mean temp.
-3,5°C
Annual rain
680mm
Warmest month
13,6°C
Coldest month
-22,2°C
Mean alt.
3 691m
Min
3 195m
Max
4 416m
Std. dev.
290m
Köppen-Geiger (dominant)
ETPolar, tundra(69 %)Polar

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

Soil & lithology

pH H₂O

7,8

Org. C

43,0g/kg

Clay

17,2%

Sand

42,9%

Silt

39,9%

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

Dominant lithology: ssGLiMaggregated to Haibei Tibetan

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
56,5g/kg
Clay
16,5%
Sand
43,7%
Silt
39,8%
5–15 cm
pH H₂O
7,8
Org. C
43,1g/kg
Clay
16,8%
Sand
43,1%
Silt
40,1%
15–30 cm
pH H₂O
7,8
Org. C
29,4g/kg
Clay
18,2%
Sand
42,0%
Silt
39,8%

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

Land cover

Forest0.1%
Crops0.1%
Built-up0.0%
Bare soil8.5%
Other (grassland, water…)91.4%

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

Hydrology24 basins · 1 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

418,6km

Lake surface here

32,48km²

Basins crossed

24

Max stream order

4

Max drainage

19 182km²

Discharge in basins

27,5m³/s

Mean precip.

364mm/an

Mean T°

-1,9°C

Moisture idx

-0,41

Max snow

7%

Mean runoff

39mm/an

Mean elev. (basins)

3 620m

Watersheds crossing here

15 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

1,3%

Pesticides

4,9kg/km²

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