Ontologia

Commune · CHN

Jomdo

China

ETPolar, tundra(58 %)

Species observed

897

Observations

2 906

Area

18 809,6km²

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 Jomdo : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 37 interactions GloBI sur 4 types (connectance 6.2%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
37
Connectance
0.062
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

897 distinct species · 2 906 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 906 obs · 58 cellules
Obs. / cellule
≥ 1 203
90–1 202
46–89
16–45
< 16

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

Climate

Mean T°

-2,2°C

Annual rain

928mm

Warmest m°

13,6°C

Coldest m°

-24,5°C

Elevation: 4 365 m on average (min 3 069 m, max 5 012 m)

Bioclimatic detailsExpert
Annual mean temp.
-2,2°C
Annual rain
928mm
Warmest month
13,6°C
Coldest month
-24,5°C
Mean alt.
4 365m
Min
3 069m
Max
5 012m
Std. dev.
344m
Köppen-Geiger (dominant)
ETPolar, tundra(58 %)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

54,5g/kg

Clay

18,0%

Sand

41,4%

Silt

40,5%

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

Dominant lithology: smGLiMaggregated to Chamdo

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
76,3g/kg
Clay
16,4%
Sand
42,9%
Silt
40,7%
5–15 cm
pH H₂O
6,5
Org. C
59,5g/kg
Clay
18,4%
Sand
41,1%
Silt
40,4%
15–30 cm
pH H₂O
6,5
Org. C
27,8g/kg
Clay
19,3%
Sand
40,2%
Silt
40,5%

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

Land cover

Forest8.0%
Crops0.0%
Built-up0.0%
Bare soil7.8%
Other (grassland, water…)84.1%

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

Hydrology30 basins · 0 lakes · 15 rivers

Hydrology metrics for this exact territory

Stream length here

1 210,5km

Basins crossed

30

Max stream order

7

Max drainage

165 041km²

Discharge in basins

1 430,3m³/s

Mean precip.

525mm/an

Mean T°

1,1°C

Moisture idx

-0,34

Max snow

16%

Mean runoff

331mm/an

Mean elev. (basins)

4 353m

Watersheds crossing here

21 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

0,1%

Pesticides

27,1kg/km²

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