Commune · CHN
Longwan
China
Species observed
404
Observations
1 034
Area
204,6km²
Ecological tissue
Sample of 43 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 Longwan : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 4 types (connectance 7.0%, filtre Serrano α=0.2). 14 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
404 distinct species · 1 034 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,3°C
Annual rain
1 556mm
Warmest m°
31,9°C
Coldest m°
2,1°C
Elevation: 17 m on average (min 2 m, max 212 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
6,1
Org. C
25,0g/kg
Clay
32,1%
Sand
18,1%
Silt
49,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: pyGLiMaggregated to Ningbo
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)
Hydrology4 basins · 4 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
39,7km
Lake surface here
1,99km²
Basins crossed
4
Max stream order
5
Max drainage
2 641km²
Discharge in basins
9,8m³/s
Mean precip.
1 351mm/an
Mean T°
16,4°C
Moisture idx
0,23
Mean runoff
620mm/an
Mean elev. (basins)
71m
Watersheds crossing here
Lakes (4, top by area)
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
38hab/km²
Night light
21,3nW
Built-up
1 002,4%
Pesticides
76,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)