Ontologia

Commune · CHN

Yizhang

China

CfaTemperate, no dry season, hot summer(99 %)

Species observed

2 873

Observations

19 660

Area

2 159,6km²

Ecological tissue

Sample of 4 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 Yizhang : 4 espèces reliées par 3 interactions GloBI sur 1 type (connectance 50.0%, filtre Serrano α=0.2).

Espèces affichées
4
Interactions affichées
3
Connectance
0.500
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

2 873 distinct species · 19 660 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 660 obs · 37 cellules
Obs. / cellule
≥ 17 206
254–17 205
8–253
4–7
< 4

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

Climate

Mean T°

18,0°C

Annual rain

1 924mm

Warmest m°

30,5°C

Coldest m°

2,4°C

Elevation: 495 m on average (min 189 m, max 1 659 m)

Bioclimatic detailsExpert
Annual mean temp.
18,0°C
Annual rain
1 924mm
Warmest month
30,5°C
Coldest month
2,4°C
Mean alt.
495m
Min
189m
Max
1 659m
Std. dev.
311m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(99 %)Temperate

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

Soil & lithology

pH H₂O

5,9

Org. C

25,5g/kg

Clay

27,5%

Sand

39,3%

Silt

33,2%

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

Dominant lithology: smGLiMaggregated to Chenzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
37,4g/kg
Clay
26,3%
Sand
40,1%
Silt
33,6%
5–15 cm
pH H₂O
5,9
Org. C
23,5g/kg
Clay
27,0%
Sand
39,7%
Silt
33,3%
15–30 cm
pH H₂O
5,9
Org. C
15,6g/kg
Clay
29,1%
Sand
38,2%
Silt
32,7%

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

Land cover

Forest52.8%
Crops15.1%
Built-up1.1%
Bare soil0.8%
Other (grassland, water…)30.1%

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

Hydrology9 basins · 2 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

341,5km

Lake surface here

0,63km²

Basins crossed

9

Max stream order

4

Max drainage

3 764km²

Discharge in basins

128,3m³/s

Mean precip.

1 494mm/an

Mean T°

17,6°C

Moisture idx

0,21

Mean runoff

921mm/an

Mean elev. (basins)

530m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,3nW

Built-up

112,4%

Pesticides

74,0kg/km²

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