Ontologia

Commune · CHN

Zigong

China

CwaTemperate, dry winter, hot summer(100 %)

Species observed

80

Observations

197

Area

826,1km²

Ecological tissue

Sample of 36 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 Zigong : 33 espèces reliées par 31 interactions GloBI sur 4 types (connectance 4.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
31
Connectance
0.049
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

80 distinct species · 197 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

197 obs · 9 cellules
Obs. / cellule
≥ 62
62–61
31–61
11–30
< 11

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

Climate

Mean T°

18,2°C

Annual rain

1 152mm

Warmest m°

30,5°C

Coldest m°

4,4°C

Elevation: 338 m on average (min 280 m, max 446 m)

Bioclimatic detailsExpert
Annual mean temp.
18,2°C
Annual rain
1 152mm
Warmest month
30,5°C
Coldest month
4,4°C
Mean alt.
338m
Min
280m
Max
446m
Std. dev.
34m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(100 %)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

18,6g/kg

Clay

29,2%

Sand

30,3%

Silt

40,5%

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

Dominant lithology: ssGLiMaggregated to Zigong

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
31,5g/kg
Clay
28,6%
Sand
30,9%
Silt
40,6%
5–15 cm
pH H₂O
6,4
Org. C
13,0g/kg
Clay
29,3%
Sand
30,1%
Silt
40,5%
15–30 cm
pH H₂O
6,4
Org. C
11,3g/kg
Clay
29,8%
Sand
29,9%
Silt
40,3%

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

Land cover

Forest22.4%
Crops47.9%
Built-up2.5%
Bare soil1.6%
Other (grassland, water…)25.6%

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

Hydrology8 basins · 7 lakes · 20 rivers

Hydrology metrics for this exact territory

Stream length here

210,3km

Lake surface here

1,42km²

Basins crossed

8

Max stream order

5

Max drainage

24 464km²

Discharge in basins

101,7m³/s

Mean precip.

1 084mm/an

Mean T°

18,0°C

Moisture idx

-0,01

Mean runoff

554mm/an

Mean elev. (basins)

347m

Watersheds crossing here

Lakes (7, top by area)

Rivers / streams (20, ord ≥ 4)

8 more river segments

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

Human pressure

Pop. density

7hab/km²

Night light

3,1nW

Built-up

250,9%

Pesticides

71,6kg/km²

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