Ontologia

Commune · CHN

Gêrzê

China

ETPolar, tundra(69 %)

Species observed

322

Observations

1 018

Area

96 236,7km²

Ecological tissue

Sample of 9 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 Gêrzê : 6 espèces reliées par 9 interactions GloBI sur 2 types (connectance 25.0%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
9
Interactions affichées
9
Connectance
0.250
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

322 distinct species · 1 018 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 018 obs · 27 cellules
Obs. / cellule
≥ 817
22–816
11–21
3–10
< 3

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

Climate

Mean T°

-4,7°C

Annual rain

379mm

Warmest m°

12,3°C

Coldest m°

-23,0°C

Elevation: 5 025 m on average (min 4 341 m, max 6 640 m)

Bioclimatic detailsExpert
Annual mean temp.
-4,7°C
Annual rain
379mm
Warmest month
12,3°C
Coldest month
-23,0°C
Mean alt.
5 025m
Min
4 341m
Max
6 640m
Std. dev.
285m
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

8,2

Org. C

13,7g/kg

Clay

23,8%

Sand

41,3%

Silt

34,9%

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

Dominant lithology: smGLiMaggregated to Ngari

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
15,2g/kg
Clay
22,9%
Sand
41,9%
Silt
35,1%
5–15 cm
pH H₂O
8,2
Org. C
14,2g/kg
Clay
24,1%
Sand
41,1%
Silt
34,8%
15–30 cm
pH H₂O
8,2
Org. C
11,6g/kg
Clay
24,4%
Sand
40,9%
Silt
34,8%

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

Land cover

Forest0.0%
Crops0.0%
Built-up0.0%
Bare soil77.8%
Other (grassland, water…)22.2%

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

Hydrology151 basins · 50 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

868,5km

Lake surface here

1 361,72km²

Basins crossed

151

Max stream order

5

Max drainage

7 268km²

Discharge in basins

41,5m³/s

Mean precip.

136mm/an

Mean T°

-4,5°C

Moisture idx

-0,77

Max snow

30%

Mean runoff

32mm/an

Mean elev. (basins)

5 027m

Watersheds crossing here

142 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (13, ord ≥ 4)

1 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.)