Commune · CHN
Jianhu
China
Species observed
90
Observations
123
Area
1 147,1km²
Ecological tissue
Sample of 24 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 Jianhu : 19 espèces reliées par 23 interactions GloBI sur 3 types (connectance 8.3%, filtre Serrano α=0.2). 5 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
90 distinct species · 123 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,9°C
Annual rain
1 027mm
Warmest m°
30,7°C
Coldest m°
-3,0°C
Elevation: 2 m on average (min -2 m, max 4 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
17,3g/kg
Clay
35,3%
Sand
17,5%
Silt
47,2%
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)
Hydrology6 basins · 12 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
78,2km
Lake surface here
7,30km²
Basins crossed
6
Max stream order
5
Max drainage
7 357km²
Discharge in basins
39,1m³/s
Mean precip.
903mm/an
Mean T°
14,5°C
Moisture idx
-0,13
Max snow
2%
Mean runoff
272mm/an
Mean elev. (basins)
1m
Watersheds crossing here
- Bassin de 黄沙港sub-area1 059,7 km²overlap604.40 km²53%
- Bassin de 通榆河sub-area838,5 km²overlap220.40 km²19%
- Bassin de 宝射河sub-area1 623,8 km²overlap154.39 km²13%
- Bassin de 蟒蛇河sub-area689,1 km²overlap135.36 km²12%
- Bassin de 射阳河sub-area1 703,7 km²overlap27.08 km²2%
- Bassin de 射阳河sub-area248,1 km²overlap5.52 km²0%
Lakes (12, top by area)
- Lake #74993area1,8 km²avg depth0.5 m
- Lake #74956area1 km²avg depth0.7 m
- Lake #74982area1 km²avg depth0.7 m
- Lac 1373626area0,9 km²avg depth1.1 m
- Lac 1373504area0,8 km²avg depth1.4 m
- Lac 1373586area0,6 km²avg depth1.2 m
- Lac 1373593area0,6 km²avg depth1.1 m
- Lac 1373602area0,5 km²avg depth1.4 m
- Lac 1373622area0,4 km²avg depth1.2 m
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
4hab/km²
Night light
2,3nW
Built-up
274,3%
Pesticides
73,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)