Ontologia

Commune · CHN

Zamtang

China

ETPolar, tundra(48 %)

Species observed

435

Observations

1 211

Area

6 650,6km²

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 Zamtang : 7 espèces reliées par 7 interactions GloBI sur 2 types (connectance 19.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
9
Interactions affichées
7
Connectance
0.194
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

435 distinct species · 1 211 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 211 obs · 31 cellules
Obs. / cellule
≥ 809
33–808
14–32
12–13
< 12

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

1 160mm

Warmest m°

14,2°C

Coldest m°

-24,3°C

Elevation: 4 076 m on average (min 2 945 m, max 4 824 m)

Bioclimatic detailsExpert
Annual mean temp.
-1,3°C
Annual rain
1 160mm
Warmest month
14,2°C
Coldest month
-24,3°C
Mean alt.
4 076m
Min
2 945m
Max
4 824m
Std. dev.
320m
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

6,5

Org. C

60,8g/kg

Clay

18,6%

Sand

38,1%

Silt

43,3%

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

Dominant lithology: smGLiMaggregated to Ngawa Tibetan and Qiang

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
85,0g/kg
Clay
17,0%
Sand
39,2%
Silt
43,8%
5–15 cm
pH H₂O
6,5
Org. C
60,0g/kg
Clay
19,1%
Sand
37,8%
Silt
43,1%
15–30 cm
pH H₂O
6,5
Org. C
37,3g/kg
Clay
19,7%
Sand
37,4%
Silt
42,9%

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

Land cover

Forest18.3%
Crops0.0%
Built-up0.0%
Bare soil6.2%
Other (grassland, water…)75.5%

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

Hydrology17 basins · 3 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

607,3km

Lake surface here

0,55km²

Basins crossed

17

Max stream order

5

Max drainage

16 246km²

Discharge in basins

503,2m³/s

Mean precip.

719mm/an

Mean T°

0,9°C

Moisture idx

-0,08

Max snow

14%

Mean runoff

435mm/an

Mean elev. (basins)

4 075m

Watersheds crossing here

8 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

0,3%

Pesticides

18,8kg/km²

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