Commune · CHN
Tongzhou
China
Species observed
131
Observations
309
Area
1 693,4km²
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 Tongzhou : 37 espèces reliées par 73 interactions GloBI sur 6 types (connectance 7.7%, filtre Serrano α=0.2). 7 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
131 distinct species · 309 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,9°C
Annual rain
1 217mm
Warmest m°
30,7°C
Coldest m°
-0,1°C
Elevation: 3 m on average (min -27 m, max 5 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
15,7g/kg
Clay
24,2%
Sand
19,2%
Silt
56,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Nantong
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 · 2 lakes · 22 rivers
Hydrology metrics for this exact territory
Stream length here
187,6km
Lake surface here
0,36km²
Basins crossed
6
Max stream order
4
Max drainage
2 978km²
Discharge in basins
11,4m³/s
Mean precip.
1 046mm/an
Mean T°
15,1°C
Moisture idx
0,08
Max snow
3%
Mean runoff
359mm/an
Mean elev. (basins)
4m
Watersheds crossing here
- Bassin de 通吕运河sub-area934,7 km²overlap590.18 km²35%
- Bassin de 遥望港sub-area2 978 km²overlap523.73 km²31%
- Bassin de 九圩港sub-area767,2 km²overlap210.03 km²12%
- Bassin de 通扬运河sub-area936,1 km²overlap151.32 km²9%
- Bassin de 如泰运河sub-area2 002,1 km²overlap49.18 km²3%
- Bassin de 白茆塘sub-area1 193,2 km²overlap3.22 km²0%
Lakes (2, top by area)
Rivers / streams (22, ord ≥ 4)
- 九圩港ord 2len here25.28 km59%total43 km
- 运盐河ord 2len here21.44 km100%total21 km
- 遥望港ord 3len here18.47 km51%total36 km
- 通启运河ord 2len here17.52 km93%total19 km
- 竖石河ord 2len here17.27 km100%total17 km
- 八大队电灌河ord 1len here14.90 km100%total15 km
- 通吕运河ord 2len here11.79 km25%total46 km
- 新江海河ord 1len here11.51 km100%total12 km
- 十四大队至十九大队北框河ord 2len here8.57 km100%total9 km
- 通甲河ord 3len here6.88 km100%total7 km
- 小夹河ord 1len here6.54 km100%total7 km
- 新江海河ord 1len here5.37 km76%total7 km
10 more river segmentssorted by Strahler order + length
- 红卫河ord 2len here5.11 km100%total5 km
- 兴石河ord 1len here5.05 km100%total5 km
- 九圩港ord 3len here4.10 km33%total12 km
- 兴石河ord 4len here3.29 km76%total4 km
- 钱园河ord 1len here2.38 km19%total13 km
- 英雄竖河ord 1len here0.98 km100%total1 km
- 裤子港河ord 1len here0.51 km8%total7 km
- 通扬运河ord 3len here0.28 km1%total24 km
- 白茆塘ord 2len here0.17 km1%total29 km
- 新开中横河ord 1len here0.15 km7%total2 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
7hab/km²
Night light
8,5nW
Built-up
806,4%
Pesticides
74,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)