Ontologia

Commune · CHN

Liangzhou

China

BSkArid, steppe, cold(89 %)

Species observed

1 241

Observations

6 495

Area

1 693km²

Ecological tissue

Sample of 42 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 Liangzhou : 26 espèces reliées par 76 interactions GloBI sur 5 types (connectance 7.7%, filtre Serrano α=0.2). 19 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
76
Connectance
0.077
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

1 241 distinct species · 6 495 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 495 obs · 27 cellules
Obs. / cellule
≥ 1 314
1 087–1 313
174–1 086
35–173
< 35

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

Climate

Mean T°

9,3°C

Annual rain

332mm

Warmest m°

27,0°C

Coldest m°

-11,1°C

Elevation: 1 861 m on average (min 1 508 m, max 3 055 m)

Bioclimatic detailsExpert
Annual mean temp.
9,3°C
Annual rain
332mm
Warmest month
27,0°C
Coldest month
-11,1°C
Mean alt.
1 861m
Min
1 508m
Max
3 055m
Std. dev.
268m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(89 %)Arid

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

19,0g/kg

Clay

19,2%

Sand

31,6%

Silt

49,2%

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

Dominant lithology: ssGLiMaggregated to Lanzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
31,9g/kg
Clay
18,5%
Sand
31,9%
Silt
49,6%
5–15 cm
pH H₂O
8,2
Org. C
12,9g/kg
Clay
19,2%
Sand
31,6%
Silt
49,1%
15–30 cm
pH H₂O
8,2
Org. C
12,1g/kg
Clay
19,9%
Sand
31,2%
Silt
48,9%

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

Land cover

Forest6.8%
Crops19.1%
Built-up3.4%
Bare soil5.5%
Other (grassland, water…)65.2%

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

Hydrology13 basins · 4 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

371,9km

Lake surface here

2,48km²

Basins crossed

13

Max stream order

7

Max drainage

227 484km²

Discharge in basins

1 333,9m³/s

Mean precip.

380mm/an

Mean T°

7,0°C

Moisture idx

-0,61

Max snow

1%

Mean runoff

6mm/an

Mean elev. (basins)

1 992m

Watersheds crossing here

4 more basins

Lakes (4, top by area)

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

Human pressure

Pop. density

12hab/km²

Night light

4,8nW

Built-up

340,2%

Pesticides

68,9kg/km²

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