Ontologia

Commune · CHN

Tianjun

China

ETPolar, tundra(92 %)

Species observed

384

Observations

1 000

Area

24 484,3km²

Ecological tissue

Sample of 34 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 Tianjun : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
60
Connectance
0.095
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

384 distinct species · 1 000 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 000 obs · 91 cellules
Obs. / cellule
≥ 285
17–284
3–16
1–2
< 1

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

Climate

Mean T°

-6,6°C

Annual rain

693mm

Warmest m°

11,7°C

Coldest m°

-26,3°C

Elevation: 4 088 m on average (min 3 050 m, max 5 524 m)

Bioclimatic detailsExpert
Annual mean temp.
-6,6°C
Annual rain
693mm
Warmest month
11,7°C
Coldest month
-26,3°C
Mean alt.
4 088m
Min
3 050m
Max
5 524m
Std. dev.
339m
Köppen-Geiger (dominant)
ETPolar, tundra(92 %)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

37,0g/kg

Clay

19,4%

Sand

41,7%

Silt

38,8%

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

Dominant lithology: paGLiMaggregated to Haixi Mongol and Tibetan

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
47,9g/kg
Clay
19,2%
Sand
42,4%
Silt
38,4%
5–15 cm
pH H₂O
7,7
Org. C
37,5g/kg
Clay
19,0%
Sand
41,9%
Silt
39,1%
15–30 cm
pH H₂O
7,7
Org. C
25,7g/kg
Clay
20,1%
Sand
40,9%
Silt
39,1%

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

Land cover

Forest0.0%
Crops0.0%
Built-up0.0%
Bare soil21.9%
Other (grassland, water…)78.0%

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

Hydrology70 basins · 25 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

1 500,3km

Lake surface here

13,16km²

Basins crossed

70

Max stream order

5

Max drainage

13 524km²

Discharge in basins

176,4m³/s

Mean precip.

289mm/an

Mean T°

-4,7°C

Moisture idx

-0,45

Max snow

31%

Mean runoff

50mm/an

Mean elev. (basins)

4 078m

Watersheds crossing here

61 more basins

Lakes (25, top by area)

16 more lakes

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,4%

Pesticides

0,3kg/km²

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