Ontologia

Commune · CHN

Zichuan

China

DwaCold, dry winter, hot summer(100 %)

Species observed

425

Observations

749

Area

1 634,5km²

Ecological tissue

Sample of 49 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 Zichuan : 32 espèces reliées par 117 interactions GloBI sur 5 types (connectance 9.2%, filtre Serrano α=0.2). 19 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
51
Interactions affichées
117
Connectance
0.092
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

425 distinct species · 749 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

749 obs · 49 cellules
Obs. / cellule
≥ 196
47–195
11–46
5–10
< 5

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

Climate

Mean T°

12,1°C

Annual rain

693mm

Warmest m°

29,3°C

Coldest m°

-7,6°C

Elevation: 359 m on average (min 50 m, max 856 m)

Bioclimatic detailsExpert
Annual mean temp.
12,1°C
Annual rain
693mm
Warmest month
29,3°C
Coldest month
-7,6°C
Mean alt.
359m
Min
50m
Max
856m
Std. dev.
166m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(100 %)Cold

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

Soil & lithology

pH H₂O

7,1

Org. C

14,7g/kg

Clay

22,7%

Sand

35,4%

Silt

41,9%

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

Dominant lithology: scGLiMaggregated to Zibo

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
22,3g/kg
Clay
20,8%
Sand
36,7%
Silt
42,5%
5–15 cm
pH H₂O
7,1
Org. C
13,4g/kg
Clay
21,9%
Sand
35,9%
Silt
42,2%
15–30 cm
pH H₂O
7,1
Org. C
8,4g/kg
Clay
25,5%
Sand
33,6%
Silt
40,9%

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

Land cover

Forest18.6%
Crops26.9%
Built-up4.3%
Bare soil2.1%
Other (grassland, water…)48.2%

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

Hydrology8 basins · 6 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

214,4km

Lake surface here

9,09km²

Basins crossed

8

Max stream order

3

Max drainage

5 925km²

Discharge in basins

5,9m³/s

Mean precip.

683mm/an

Mean T°

12,5°C

Moisture idx

-0,40

Max snow

1%

Mean runoff

119mm/an

Mean elev. (basins)

263m

Watersheds crossing here

Lakes (6, top by area)

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

Human pressure

Pop. density

5hab/km²

Night light

1,6nW

Built-up

426,5%

Pesticides

73,2kg/km²

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