Commune · CHN
Chengdu Qū
China
Species observed
1 447
Observations
32 566
Area
1 345,1km²
Ecological tissue
Sample of 34 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 Chengdu Qū : 26 espèces reliées par 53 interactions GloBI sur 4 types (connectance 8.4%, filtre Serrano α=0.2). 10 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
1 447 distinct species · 32 566 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,0°C
Annual rain
988mm
Warmest m°
29,4°C
Coldest m°
2,2°C
Elevation: 527 m on average (min 450 m, max 869 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
6,9
Org. C
24,4g/kg
Clay
29,8%
Sand
25,2%
Silt
45,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Chengdu
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)
Hydrology5 basins · 4 lakes · 30 rivers
Hydrology metrics for this exact territory
Stream length here
273,8km
Lake surface here
3,51km²
Basins crossed
5
Max stream order
4
Max drainage
7 795km²
Discharge in basins
44,3m³/s
Mean precip.
993mm/an
Mean T°
16,2°C
Moisture idx
-0,04
Max snow
2%
Mean runoff
546mm/an
Mean elev. (basins)
541m
Watersheds crossing here
Lakes (4, top by area)
Rivers / streams (30, ord ≥ 4)
- 西江河ord 3len here45.17 km70%total65 km
- 清水河ord 5len here30.30 km3%total999 km
- 东风渠ord 3len here22.75 km33%total68 km
- 东干渠ord 7len here19.63 km19%total106 km
- 绣川河ord 2len here15.37 km46%total34 km
- 毗河ord 4len here14.67 km28%total52 km
- 小沙河ord 4len here12.10 km19%total63 km
- 栏杆堰ord 1len here10.83 km75%total14 km
- 沙河ord 5len here10.45 km1%total870 km
- 西河ord 5len here7.99 km1%total1453 km
- 毗河供水工程ord 3len here7.94 km18%total45 km
- 黄堰河ord 2len here7.87 km72%total11 km
18 more river segmentssorted by Strahler order + length
- 府河ord 5len here7.40 km1%total572 km
- 青白江ord 3len here7.03 km33%total21 km
- 深沟河ord 3len here6.91 km15%total47 km
- 苏坡支渠ord 1len here5.81 km64%total9 km
- 马家堰ord 2len here5.49 km55%total10 km
- 锦江ord 5len here5.45 km1%total683 km
- 中河ord 4len here4.32 km1%total314 km
- 九道堰ord 1len here4.07 km70%total6 km
- 长流河ord 1len here4.00 km100%total4 km
- 金牛二斗渠ord 1len here3.76 km100%total4 km
- 浣花溪ord 3len here3.17 km100%total3 km
- 凤凰河ord 7len here3.15 km13%total24 km
- 鸡头河ord 1len here2.32 km89%total3 km
- 东灌渠ord 1len here1.79 km27%total7 km
- 西郊河ord 3len here1.62 km52%total3 km
- 沱江ord 6len here1.31 km0%total988 km
- 鹿溪河ord 3len here0.57 km1%total74 km
- 江安河ord 4len here0.53 km1%total81 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
25hab/km²
Night light
16,0nW
Built-up
841,9%
Pesticides
73,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)