Commune · CHN
Huaxian
China
Species observed
576
Observations
1 140
Area
954,8km²
Ecological tissue
Sample of 44 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 Huaxian : 36 espèces reliées par 45 interactions GloBI sur 4 types (connectance 4.8%, filtre Serrano α=0.2). 8 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
576 distinct species · 1 140 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,4°C
Annual rain
2 222mm
Warmest m°
31,4°C
Coldest m°
9,2°C
Elevation: 68 m on average (min 2 m, max 339 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
5,5
Org. C
24,0g/kg
Clay
29,2%
Sand
39,4%
Silt
31,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Guangzhou
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)
Hydrology4 basins · 17 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
143,9km
Lake surface here
10,53km²
Basins crossed
4
Max stream order
4
Max drainage
39 841km²
Discharge in basins
182,5m³/s
Mean precip.
1 875mm/an
Mean T°
21,5°C
Moisture idx
0,31
Mean runoff
1 070mm/an
Mean elev. (basins)
120m
Watersheds crossing here
Lakes (17, top by area)
- Huadou Shuikuarea3,6 km²avg depth5.6 m
- 芙蓉嶂水庫area1,6 km²avg depth6.1 m
- 九湾潭水库area1,4 km²avg depth27.7 m
- 福源水库area1,3 km²avg depth6.5 m
- Lac 1387944area0,8 km²avg depth3.9 m
- Lac 1387851area0,7 km²avg depth5.2 m
- Lac 1387978area0,4 km²avg depth4.4 m
- Lac 1387889area0,3 km²avg depth4.0 m
- Lac 1388111area0,3 km²avg depth6.1 m
8 more lakes
Rivers / streams (12, ord ≥ 4)
- 巴江河ord 4len here28.25 km70%total41 km
- 流溪河ord 5len here26.15 km9%total285 km
- 铁山河ord 2len here23.67 km100%total24 km
- 新街河ord 4len here11.58 km60%total19 km
- 大官坑ord 2len here9.74 km88%total11 km
- 巴江河ord 2len here9.49 km52%total18 km
- 芦苞涌ord 2len here8.44 km75%total11 km
- 大迳河ord 3len here8.05 km100%total8 km
- 天马河ord 4len here7.95 km100%total8 km
- 大沙河ord 2len here5.49 km98%total6 km
- 旧西干渠ord 2len here4.36 km100%total4 km
- 西南涌ord 3len here0.76 km2%total50 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
10hab/km²
Night light
8,7nW
Built-up
578,3%
Pesticides
70,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)