Ontologia

Commune · CHN

Gamba

China

ETPolar, tundra(94 %)

Species observed

109

Observations

292

Area

4 039,6km²

Ecological tissue

Sample of 31 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 Gamba : 29 espèces reliées par 32 interactions GloBI sur 2 types (connectance 6.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
32
Connectance
0.069
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

109 distinct species · 292 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

292 obs · 17 cellules
Obs. / cellule
≥ 127
122–126
3–121
2–2
< 2

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

Climate

Mean T°

-1,7°C

Annual rain

804mm

Warmest m°

10,6°C

Coldest m°

-18,5°C

Elevation: 4 900 m on average (min 4 364 m, max 6 517 m)

Bioclimatic detailsExpert
Annual mean temp.
-1,7°C
Annual rain
804mm
Warmest month
10,6°C
Coldest month
-18,5°C
Mean alt.
4 900m
Min
4 364m
Max
6 517m
Std. dev.
321m
Köppen-Geiger (dominant)
ETPolar, tundra(94 %)Polar

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

Soil & lithology

pH H₂O

7,6

Org. C

19,7g/kg

Clay

10,5%

Sand

62,3%

Silt

27,2%

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

Dominant lithology: smGLiMaggregated to Shigatse

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
23,1g/kg
Clay
10,2%
Sand
62,6%
Silt
27,2%
5–15 cm
pH H₂O
7,6
Org. C
20,1g/kg
Clay
10,5%
Sand
62,1%
Silt
27,5%
15–30 cm
pH H₂O
7,6
Org. C
15,9g/kg
Clay
10,7%
Sand
62,2%
Silt
27,1%

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

Land cover

Forest0.0%
Crops0.0%
Built-up0.0%
Bare soil68.4%
Other (grassland, water…)31.6%

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

Hydrology16 basins · 5 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

201,1km

Lake surface here

1,47km²

Basins crossed

16

Max stream order

5

Max drainage

4 585km²

Discharge in basins

55,8m³/s

Mean precip.

291mm/an

Mean T°

-0,7°C

Moisture idx

-0,59

Max snow

38%

Mean runoff

392mm/an

Mean elev. (basins)

4 896m

Watersheds crossing here

7 more basins

Lakes (5, 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

0,5%

Pesticides

14,7kg/km²

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