Commune · CHN
Haimen
China
Species observed
408
Observations
918
Area
1 017,3km²
Ecological tissue
Sample of 41 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 Haimen : 34 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 4 types (connectance 5.7%, 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
408 distinct species · 918 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
16,0°C
Annual rain
1 261mm
Warmest m°
30,3°C
Coldest m°
0,6°C
Elevation: 3 m on average (min -12 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
14,7g/kg
Clay
23,3%
Sand
18,1%
Silt
58,6%
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)
Hydrology2 basins · 3 lakes · 17 rivers
Hydrology metrics for this exact territory
Stream length here
150,6km
Lake surface here
0,42km²
Basins crossed
2
Max stream order
3
Max drainage
2 978km²
Discharge in basins
3,0m³/s
Mean precip.
1 051mm/an
Mean T°
15,2°C
Moisture idx
0,09
Max snow
3%
Mean runoff
368mm/an
Mean elev. (basins)
3m
Watersheds crossing here
Lakes (3, top by area)
Rivers / streams (17, ord ≥ 4)
- 通吕运河ord 2len here34.53 km75%total46 km
- 圩角河ord 1len here14.88 km100%total15 km
- 通启运河ord 2len here14.79 km100%total15 km
- 海门河ord 3len here13.40 km100%total13 km
- 海门河ord 2len here12.00 km100%total12 km
- 通吕运河ord 3len here10.68 km82%total13 km
- 海界河ord 1len here9.78 km100%total10 km
- 海门河ord 3len here9.41 km60%total16 km
- 圩角河ord 1len here7.63 km100%total8 km
- 通启运河ord 2len here6.15 km100%total6 km
- 通启运河ord 2len here4.49 km51%total9 km
- 海界河ord 1len here3.38 km100%total3 km
5 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
8hab/km²
Night light
3,6nW
Built-up
765,0%
Pesticides
76,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)