Ontologia

Commune · CHN

Heng

China

CfaTemperate, no dry season, hot summer(100 %)

Species observed

757

Observations

1 623

Area

3 440,1km²

Ecological tissue

Sample of 19 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 Heng : 17 espèces reliées par 16 interactions GloBI sur 2 types (connectance 9.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
16
Connectance
0.094
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

757 distinct species · 1 623 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 623 obs · 15 cellules
Obs. / cellule
≥ 1 054
433–1 053
18–432
4–17
< 4

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

Climate

Mean T°

22,1°C

Annual rain

1 781mm

Warmest m°

30,9°C

Coldest m°

9,3°C

Elevation: 119 m on average (min 51 m, max 569 m)

Bioclimatic detailsExpert
Annual mean temp.
22,1°C
Annual rain
1 781mm
Warmest month
30,9°C
Coldest month
9,3°C
Mean alt.
119m
Min
51m
Max
569m
Std. dev.
74m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, 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

5,6

Org. C

18,7g/kg

Clay

31,1%

Sand

33,5%

Silt

35,4%

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

Dominant lithology: scGLiMaggregated to Nanning

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
29,4g/kg
Clay
29,9%
Sand
34,6%
Silt
35,5%
5–15 cm
pH H₂O
5,6
Org. C
15,8g/kg
Clay
30,3%
Sand
33,9%
Silt
35,8%
15–30 cm
pH H₂O
5,7
Org. C
11,0g/kg
Clay
33,1%
Sand
32,0%
Silt
34,9%

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

Land cover

Forest46.7%
Crops23.1%
Built-up1.1%
Bare soil1.9%
Other (grassland, water…)27.1%

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

Hydrology16 basins · 50 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

502,7km

Lake surface here

89,93km²

Basins crossed

16

Max stream order

7

Max drainage

84 309km²

Discharge in basins

6 362,3m³/s

Mean precip.

1 521mm/an

Mean T°

21,8°C

Moisture idx

0,18

Mean runoff

800mm/an

Mean elev. (basins)

130m

Lakes (50, top by area)

41 more lakes

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

Human pressure

Pop. density

2hab/km²

Night light

0,5nW

Built-up

113,1%

Pesticides

71,4kg/km²

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