Commune · CHN
Yandu
China
Species observed
77
Observations
112
Area
1 308,6km²
Ecological tissue
Sample of 27 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 Yandu : 25 espèces reliées par 25 interactions GloBI sur 3 types (connectance 7.1%, 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
77 distinct species · 112 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,0°C
Annual rain
1 049mm
Warmest m°
30,8°C
Coldest m°
-2,7°C
Elevation: 2 m on average (min -1 m, max 3 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
15,0g/kg
Clay
32,5%
Sand
17,5%
Silt
50,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: wbGLiMaggregated to Yancheng
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)
Hydrology8 basins · 17 lakes · 13 rivers
Hydrology metrics for this exact territory
Stream length here
216,5km
Lake surface here
24,57km²
Basins crossed
8
Max stream order
5
Max drainage
5 485km²
Discharge in basins
21,1m³/s
Mean precip.
949mm/an
Mean T°
14,6°C
Moisture idx
-0,09
Max snow
3%
Mean runoff
279mm/an
Mean elev. (basins)
1m
Watersheds crossing here
- Bassin de 蟒蛇河sub-area689,1 km²overlap495.42 km²38%
- Bassin de 三阳河sub-area1 778,3 km²overlap337.22 km²26%
- Bassin de 串场河sub-area692,6 km²overlap190.69 km²15%
- Bassin de 冈沟河sub-area109,1 km²overlap109.08 km²8%
- Bassin de 新洋港sub-area1 025,2 km²overlap69.22 km²5%
- Bassin de 通榆河sub-area838,5 km²overlap58.92 km²5%
- Bassin de 黄沙港sub-area1 059,7 km²overlap24.98 km²2%
- Bassin de 斗龙港sub-area618,6 km²overlap23.09 km²2%
Lakes (17, top by area)
- Dazong Huarea32,3 km²avg depth1.0 m
- Lac 1373676area0,9 km²avg depth1.6 m
- Lac 1373767area0,8 km²avg depth1.7 m
- Lac 1373644area0,7 km²avg depth0.8 m
- Lac 1373777area0,6 km²avg depth1.1 m
- Lac 1373624area0,5 km²avg depth1.1 m
- Lac 1373785area0,5 km²avg depth0.6 m
- Lac 1373645area0,5 km²avg depth1.4 m
- Lac 1373663area0,4 km²avg depth1.1 m
8 more lakes
Rivers / streams (13, ord ≥ 4)
- 蟒蛇河ord 4len here55.95 km100%total56 km
- 串场河ord 3len here26.65 km28%total94 km
- 东涡河ord 1len here25.11 km100%total25 km
- 兴盐界河ord 3len here20.52 km68%total30 km
- 盐河ord 3len here20.35 km98%total21 km
- 通榆运河ord 4len here18.70 km14%total132 km
- 冈沟河ord 2len here18.20 km100%total18 km
- 朱沥沟ord 2len here17.09 km100%total17 km
- 斗龙港ord 3len here4.04 km11%total37 km
- 斗龙港ord 2len here4.03 km28%total15 km
- 盐上官河ord 1len here2.75 km16%total17 km
- 红九河ord 2len here1.83 km80%total2 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
6hab/km²
Night light
4,7nW
Built-up
471,2%
Pesticides
73,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)