Commune · CHN
Duchang
China
Species observed
239
Observations
854
Area
1 997,3km²
Ecological tissue
Sample of 31 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 Duchang : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 2 types (connectance 12.7%, filtre Serrano α=0.2). 8 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
239 distinct species · 854 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,1°C
Annual rain
1 857mm
Warmest m°
32,2°C
Coldest m°
2,2°C
Elevation: 50 m on average (min 11 m, max 413 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
5,8
Org. C
16,7g/kg
Clay
30,1%
Sand
24,4%
Silt
45,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Jiujiang
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)
Hydrology12 basins · 25 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
171,6km
Lake surface here
490,49km²
Basins crossed
12
Max stream order
8
Max drainage
1 656 766km²
Discharge in basins
3 459,7m³/s
Mean precip.
1 517mm/an
Mean T°
17,5°C
Moisture idx
0,24
Max snow
2%
Mean runoff
1 075mm/an
Mean elev. (basins)
44m
Watersheds crossing here
- Bassin de 赣江中支sub-area1 841,6 km²overlap963.80 km²48%
- Bassin de 土塘水sub-area349,7 km²overlap348.98 km²17%
- Bassin de 赣江sub-area1 070,7 km²overlap182.03 km²9%
- Bassin de 土塘水sub-area238,5 km²overlap157.77 km²8%
- Bassin de 水滩河sub-area442,9 km²overlap109.83 km²5%
- Bassin de 信江sub-area220,9 km²overlap92.75 km²5%
- Bassin de 信江sub-area49,8 km²overlap47.18 km²2%
- Bassin de 西河sub-area251,5 km²overlap46.91 km²2%
- Bassin de 博阳河sub-area2 030,7 km²overlap30.92 km²2%
Lakes (25, top by area)
- Poyangarea2 398,3 km²avg depth6.8 m
- Xinmiao Huarea12,3 km²avg depth3.8 m
- Lake #76392area2 km²avg depth1.6 m
- Dagang Shuikuarea1,5 km²avg depth13.4 m
- Lake #76435area1 km²avg depth0.6 m
- Lac 1379772area0,9 km²avg depth3.4 m
- Lac 1380183area0,8 km²avg depth4.1 m
- Lac 1380056area0,6 km²avg depth3.0 m
- Lac 1379980area0,5 km²avg depth1.8 m
16 more lakes
- Lac 1379747area0,5 km²avg depth6.5 m
- Lac 1380228area0,3 km²avg depth2.5 m
- Lac 1380127area0,3 km²avg depth2.7 m
- Lac 1380333area0,3 km²avg depth2.3 m
- Lac 1379938area0,2 km²avg depth2.0 m
- Lac 1379985area0,2 km²avg depth2.2 m
- Lac 1379964area0,2 km²avg depth1.7 m
- Lac 1380322area0,2 km²avg depth2.3 m
- Lac 1379950area0,2 km²avg depth3.5 m
- Lac 1379991area0,2 km²avg depth2.3 m
- Lac 1380087area0,2 km²avg depth4.7 m
- Lac 1379979area0,2 km²avg depth2.0 m
- Lac 1380381area0,2 km²avg depth1.9 m
- Lac 1380220area0,1 km²avg depth2.4 m
- Lac 1380369area0,1 km²avg depth1.7 m
- Lac 1380345area0,1 km²avg depth2.0 m
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
0,4nW
Built-up
139,2%
Pesticides
75,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)