Commune · CHN
Heshan
China
Species observed
337
Observations
603
Area
1 071,7km²
Ecological tissue
Sample of 43 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).
Indicateurs du tissu écologique
Tissu écologique de Heshan : 41 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 4 types (connectance 3.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
337 distinct species · 603 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,6°C
Annual rain
2 062mm
Warmest m°
31,2°C
Coldest m°
10,2°C
Elevation: 96 m on average (min -11 m, max 600 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,4
Org. C
22,5g/kg
Clay
26,9%
Sand
39,0%
Silt
34,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Jiangmen
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 11 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
155,7km
Lake surface here
5,60km²
Basins crossed
7
Max stream order
8
Max drainage
389 070km²
Discharge in basins
8 071,4m³/s
Mean precip.
1 456mm/an
Mean T°
22,3°C
Moisture idx
0,14
Mean runoff
1 073mm/an
Mean elev. (basins)
64m
Watersheds crossing here
- Bassin de 潭江sub-area1 154,3 km²overlap329.58 km²31%
- Bassin de 镇海水sub-area1 254,4 km²overlap327.73 km²31%
- Bassin de 桃源河sub-area195,8 km²overlap194.63 km²18%
- Bassin de 西江sub-area559,8 km²overlap94.89 km²9%
- Bassin de 西江sub-area125 km²overlap88.70 km²8%
- Bassin de 高明河sub-area995,6 km²overlap31.68 km²3%
- Bassin de 虎跳门水道sub-area1 554,8 km²overlap4.54 km²0%
Lakes (11, top by area)
- Zhenhai Shuikuarea5,2 km²avg depth6.6 m
- 四堡水库area1,3 km²avg depth9.4 m
- Lac 1389282area0,4 km²avg depth3.6 m
- Lac 1389134area0,4 km²avg depth4.3 m
- Lac 1389169area0,3 km²avg depth5.4 m
- Lac 1389251area0,2 km²avg depth4.0 m
- Lac 1389382area0,2 km²avg depth7.3 m
- Lac 1388964area0,2 km²avg depth5.0 m
- Lac 1389193area0,2 km²avg depth3.6 m
Rivers / streams (15, ord ≥ 4)
- 址山河ord 3len here29.31 km100%total29 km
- 沙坪河ord 3len here21.86 km64%total34 km
- 田金河ord 2len here21.48 km98%total22 km
- 桃源河ord 3len here17.31 km95%total18 km
- 龙口河ord 2len here13.06 km100%total13 km
- 沙冲河ord 2len here11.37 km100%total11 km
- 侨乡水ord 4len here11.17 km21%total53 km
- 镇海水ord 5len here8.94 km11%total83 km
- 杨梅河ord 4len here4.47 km3%total149 km
- 天沙河ord 2len here4.43 km25%total18 km
- 西江ord 8len here4.08 km1%total499 km
- 新桥水ord 3len here4.05 km21%total20 km
3 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
4hab/km²
Night light
3,2nW
Built-up
258,6%
Pesticides
65,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)