Commune · CHN
Hengdong
China
Species observed
177
Observations
547
Area
1 930,9km²
Ecological tissue
Sample of 38 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 Hengdong : 34 espèces reliées par 35 interactions GloBI sur 4 types (connectance 5.0%, filtre Serrano α=0.2). 4 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
177 distinct species · 547 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,6°C
Annual rain
1 863mm
Warmest m°
33,3°C
Coldest m°
2,5°C
Elevation: 126 m on average (min 45 m, max 572 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
5,7
Org. C
23,7g/kg
Clay
29,4%
Sand
29,1%
Silt
41,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Hengyang
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 · 21 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
225,6km
Lake surface here
10,69km²
Basins crossed
7
Max stream order
7
Max drainage
66 165km²
Discharge in basins
1 271,8m³/s
Mean precip.
1 604mm/an
Mean T°
17,8°C
Moisture idx
0,27
Mean runoff
941mm/an
Mean elev. (basins)
137m
Watersheds crossing here
- Bassin de 洣水sub-area884 km²overlap823.01 km²43%
- Bassin de 湘江sub-area1 295,8 km²overlap357.79 km²19%
- Bassin de 湘江sub-area1 098,4 km²overlap352.19 km²18%
- Bassin de 洣水sub-area678,1 km²overlap219.01 km²11%
- Bassin de 永乐江sub-area570,7 km²overlap168.05 km²9%
- Bassin de 马水河sub-area647 km²overlap7.92 km²0%
- Bassin de 湘江sub-area387,5 km²overlap2.95 km²0%
Lakes (21, top by area)
- Lake #76800area2,7 km²avg depth11.3 m
- Bailian Shuikuarea2 km²avg depth16.9 m
- 德圳水库area1,5 km²avg depth7.2 m
- Lac 1382773area0,8 km²avg depth3.0 m
- Lac 1382783area0,6 km²avg depth6.6 m
- Lac 1382911area0,5 km²avg depth5.1 m
- Lac 1382992area0,3 km²avg depth6.2 m
- Lac 1382645area0,3 km²avg depth4.5 m
- Lac 1382864area0,3 km²avg depth3.5 m
12 more lakes
- Lac 1382831area0,2 km²avg depth1.9 m
- Lac 1382717area0,2 km²avg depth5.7 m
- Lac 1382769area0,2 km²avg depth3.2 m
- Lac 1382653area0,2 km²avg depth3.4 m
- Lac 1382663area0,2 km²avg depth4.0 m
- Lac 1382729area0,2 km²avg depth2.8 m
- Lac 1382778area0,1 km²avg depth3.7 m
- Lac 1382675area0,1 km²avg depth5.4 m
- Lac 1382722area0,1 km²avg depth3.1 m
- Lac 1382713area0,1 km²avg depth4.1 m
- Lac 1382642area0,1 km²avg depth3.7 m
- Lac 1382858area0,1 km²avg depth6.1 m
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,2nW
Built-up
93,0%
Pesticides
69,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)