Ontologia

Commune · CHN

Ziyang

China

CwaTemperate, dry winter, hot summer(90 %)

Species observed

668

Observations

3 009

Area

2 218km²

Ecological tissue

Sample of 22 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 Ziyang : 20 espèces reliées par 19 interactions GloBI sur 4 types (connectance 8.2%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
19
Connectance
0.082
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

668 distinct species · 3 009 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 009 obs · 8 cellules
Obs. / cellule
≥ 2 949
2 949–2 948
14–2 948
8–13
< 8

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

Climate

Mean T°

12,9°C

Annual rain

1 305mm

Warmest m°

27,0°C

Coldest m°

-3,7°C

Elevation: 923 m on average (min 377 m, max 2 109 m)

Bioclimatic detailsExpert
Annual mean temp.
12,9°C
Annual rain
1 305mm
Warmest month
27,0°C
Coldest month
-3,7°C
Mean alt.
923m
Min
377m
Max
2 109m
Std. dev.
342m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(90 %)Temperate

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

Soil & lithology

pH H₂O

6,4

Org. C

25,8g/kg

Clay

26,1%

Sand

28,2%

Silt

45,7%

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

Dominant lithology: scGLiMaggregated to Ankang

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
45,1g/kg
Clay
25,6%
Sand
28,9%
Silt
45,5%
5–15 cm
pH H₂O
6,4
Org. C
19,3g/kg
Clay
25,8%
Sand
28,0%
Silt
46,1%
15–30 cm
pH H₂O
6,4
Org. C
13,1g/kg
Clay
27,0%
Sand
27,6%
Silt
45,4%

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

Land cover

Forest65.3%
Crops5.8%
Built-up0.1%
Bare soil0.4%
Other (grassland, water…)28.5%

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

Hydrology9 basins · 2 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

318,6km

Lake surface here

13,01km²

Basins crossed

9

Max stream order

6

Max drainage

33 629km²

Discharge in basins

460,5m³/s

Mean precip.

1 046mm/an

Mean T°

13,1°C

Moisture idx

0,01

Max snow

4%

Mean runoff

549mm/an

Mean elev. (basins)

984m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

6,4%

Pesticides

78,2kg/km²

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