Commune · CHN
Chenghai
China
Species observed
280
Observations
3 281
Area
412,1km²
Ecological tissue
Sample of 31 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 Chenghai : 23 espèces reliées par 57 interactions GloBI sur 3 types (connectance 11.5%, filtre Serrano α=0.2). 9 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
280 distinct species · 3 281 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,1°C
Annual rain
1 584mm
Warmest m°
30,1°C
Coldest m°
10,9°C
Elevation: 12 m on average (min -42 m, max 317 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
5,9
Org. C
19,4g/kg
Clay
25,0%
Sand
44,8%
Silt
30,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Shantou
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)
Hydrology3 basins · 0 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
84,4km
Basins crossed
3
Max stream order
6
Max drainage
29 397km²
Discharge in basins
207,1m³/s
Mean precip.
1 491mm/an
Mean T°
21,5°C
Moisture idx
0,23
Mean runoff
573mm/an
Mean elev. (basins)
57m
Watersheds crossing here
Rivers / streams (9, ord ≥ 4)
- 莲阳河ord 6len here22.35 km100%total22 km
- 义丰溪ord 3len here17.36 km100%total17 km
- 外砂河ord 3len here12.25 km100%total12 km
- 南溪ord 3len here9.88 km100%total10 km
- 北溪ord 3len here8.00 km24%total33 km
- 新津河ord 1len here6.97 km68%total10 km
- 东溪ord 6len here4.78 km54%total9 km
- 西溪ord 3len here2.22 km7%total32 km
- 梅溪ord 2len here0.63 km10%total6 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
21hab/km²
Night light
14,6nW
Built-up
862,3%
Pesticides
76,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)