Commune · CHN
Qidong
China
Species observed
35
Observations
52
Area
1 909,6km²
Ecological tissue
Sample of 9 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 Qidong : 8 espèces reliées par 7 interactions GloBI sur 2 types (connectance 19.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
35 distinct species · 52 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,2°C
Annual rain
1 592mm
Warmest m°
32,6°C
Coldest m°
2,3°C
Elevation: 211 m on average (min 72 m, max 864 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
5,6
Org. C
23,8g/kg
Clay
29,3%
Sand
28,2%
Silt
42,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Hengyang
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)
Hydrology13 basins · 8 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
137,0km
Lake surface here
4,14km²
Basins crossed
13
Max stream order
6
Max drainage
29 048km²
Discharge in basins
736,0m³/s
Mean precip.
1 399mm/an
Mean T°
17,7°C
Moisture idx
0,18
Mean runoff
729mm/an
Mean elev. (basins)
199m
Watersheds crossing here
- Bassin de 祁水sub-area1 680,3 km²overlap958.03 km²50%
- Bassin de 白河sub-area884,2 km²overlap713.51 km²37%
- Bassin de 湘江sub-area211,7 km²overlap82.76 km²4%
- Bassin de 湘江sub-area136 km²overlap64.81 km²3%
- Bassin de 栗江sub-area416,4 km²overlap31.23 km²2%
- Bassin de 清花河sub-area428,3 km²overlap29.25 km²2%
- Bassin de 湘江sub-area268,1 km²overlap12.79 km²1%
- Bassin de 武水河sub-area328,4 km²overlap5.85 km²0%
- Bassin de 湘江sub-area238,8 km²overlap3.33 km²0%
Lakes (8, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
4hab/km²
Night light
0,3nW
Built-up
158,3%
Pesticides
79,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)