Commune · CHN
Yancheng
China
Species observed
120
Observations
155
Area
1 042,7km²
Ecological tissue
Sample of 26 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 Yancheng : 22 espèces reliées par 20 interactions GloBI sur 4 types (connectance 6.2%, 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
120 distinct species · 155 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,4°C
Annual rain
881mm
Warmest m°
31,3°C
Coldest m°
-3,5°C
Elevation: 59 m on average (min 51 m, max 77 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
7,7
Org. C
10,2g/kg
Clay
26,4%
Sand
23,8%
Silt
49,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Luohe
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)
Hydrology10 basins · 0 lakes · 13 rivers
Hydrology metrics for this exact territory
Stream length here
156,9km
Basins crossed
10
Max stream order
5
Max drainage
12 496km²
Discharge in basins
87,4m³/s
Mean precip.
727mm/an
Mean T°
14,7°C
Moisture idx
-0,39
Max snow
5%
Mean runoff
204mm/an
Mean elev. (basins)
82m
Watersheds crossing here
- Bassin de 汾河sub-area474,3 km²overlap236.79 km²23%
- Bassin de 蜈蚣渠sub-area995,4 km²overlap195.29 km²19%
- Bassin de 澧河sub-area2 816,2 km²overlap155.10 km²15%
- Bassin de 沙河sub-area289,5 km²overlap122.93 km²12%
- Bassin de 柳河sub-area188,5 km²overlap108.25 km²10%
- Bassin de 沙河sub-area146,5 km²overlap91.01 km²9%
- Bassin de 洪河sub-area1 669,1 km²overlap86.85 km²8%
- Bassin de 颍河sub-area2 451,3 km²overlap23.78 km²2%
- Bassin de 鸡爪沟sub-area214,6 km²overlap12.44 km²1%
1 more basinssorted by overlap
Rivers / streams (13, ord ≥ 4)
- 沙河ord 5len here40.91 km5%total870 km
- 澧河ord 4len here30.56 km16%total194 km
- 汾河ord 2len here21.76 km40%total54 km
- 蜈蚣渠ord 3len here13.80 km21%total67 km
- 颍河ord 5len here12.25 km6%total211 km
- 老颍河ord 3len here12.00 km53%total23 km
- 柳河ord 4len here9.77 km13%total72 km
- 唐江河ord 2len here9.12 km63%total14 km
- 枯河ord 2len here2.17 km18%total12 km
- 唐河ord 5len here1.72 km0%total497 km
- 柳支渠ord 1len here1.62 km100%total2 km
- 马拉河ord 1len here0.76 km2%total36 km
1 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
9hab/km²
Night light
3,1nW
Built-up
426,7%
Pesticides
69,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)