Ontologia

Commune · CHN

Zichang

China

DwaCold, dry winter, hot summer(84 %)

Species observed

112

Observations

206

Area

2 399,9km²

Ecological tissue

Sample of 13 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 Zichang : 11 espèces reliées par 13 interactions GloBI sur 2 types (connectance 16.7%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
13
Connectance
0.167
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

112 distinct species · 206 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

206 obs · 1 cellules
Obs. / cellule
≥ 206
206–205
206–205
206–205
< 206

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

Climate

Mean T°

9,6°C

Annual rain

461mm

Warmest m°

28,0°C

Coldest m°

-11,4°C

Elevation: 1 225 m on average (min 998 m, max 1 451 m)

Bioclimatic detailsExpert
Annual mean temp.
9,6°C
Annual rain
461mm
Warmest month
28,0°C
Coldest month
-11,4°C
Mean alt.
1 225m
Min
998m
Max
1 451m
Std. dev.
98m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(84 %)Cold

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

Soil & lithology

pH H₂O

8,4

Org. C

11,2g/kg

Clay

14,9%

Sand

46,2%

Silt

38,9%

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

Dominant lithology: ssGLiMaggregated to Yan'an

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,3
Org. C
19,1g/kg
Clay
14,5%
Sand
46,5%
Silt
39,0%
5–15 cm
pH H₂O
8,4
Org. C
7,1g/kg
Clay
14,7%
Sand
46,4%
Silt
38,9%
15–30 cm
pH H₂O
8,4
Org. C
7,4g/kg
Clay
15,5%
Sand
45,7%
Silt
38,8%

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

Land cover

Forest12.0%
Crops22.3%
Built-up0.2%
Bare soil4.3%
Other (grassland, water…)61.3%

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

Hydrology10 basins · 3 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

229,4km

Lake surface here

1,34km²

Basins crossed

10

Max stream order

4

Max drainage

2 176km²

Discharge in basins

4,6m³/s

Mean precip.

473mm/an

Mean T°

8,7°C

Moisture idx

-0,56

Max snow

1%

Mean runoff

47mm/an

Mean elev. (basins)

1 189m

Watersheds crossing here

1 more basins

Lakes (3, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,5nW

Built-up

15,7%

Pesticides

69,0kg/km²

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