Ontologia

Commune · CHN

Zhangjiachuan Hui

China

DwbCold, dry winter, warm summer(97 %)

Species observed

12

Observations

28

Area

1 277,5km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 2 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 Zhangjiachuan Hui : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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

12 distinct species · 28 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

28 obs · 5 cellules
Obs. / cellule
≥ 12
12–11
9–11
4–8
< 4

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

Climate

Mean T°

6,9°C

Annual rain

729mm

Warmest m°

22,6°C

Coldest m°

-12,2°C

Elevation: 1 949 m on average (min 1 494 m, max 2 534 m)

Bioclimatic detailsExpert
Annual mean temp.
6,9°C
Annual rain
729mm
Warmest month
22,6°C
Coldest month
-12,2°C
Mean alt.
1 949m
Min
1 494m
Max
2 534m
Std. dev.
219m
Köppen-Geiger (dominant)
DwbCold, dry winter, warm summer(97 %)Cold

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

Soil & lithology

pH H₂O

7,4

Org. C

28,0g/kg

Clay

25,1%

Sand

26,9%

Silt

48,0%

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

Dominant lithology: paGLiMaggregated to Tianshui

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,4
Org. C
45,4g/kg
Clay
24,2%
Sand
27,5%
Silt
48,3%
5–15 cm
pH H₂O
7,5
Org. C
22,1g/kg
Clay
24,8%
Sand
27,0%
Silt
48,2%
15–30 cm
pH H₂O
7,5
Org. C
16,4g/kg
Clay
26,4%
Sand
26,2%
Silt
47,4%

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

Land cover

Forest25.4%
Crops28.5%
Built-up0.5%
Bare soil1.5%
Other (grassland, water…)44.2%

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

Hydrology4 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

141,9km

Lake surface here

0,21km²

Basins crossed

4

Max stream order

3

Max drainage

1 841km²

Discharge in basins

3,9m³/s

Mean precip.

614mm/an

Mean T°

8,0°C

Moisture idx

-0,32

Max snow

1%

Mean runoff

98mm/an

Mean elev. (basins)

1 818m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,4nW

Built-up

46,4%

Pesticides

70,1kg/km²

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