Commune · CHN
Youyang
China
Species observed
578
Observations
1 136
Area
5 140km²
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 Youyang : 9 espèces reliées par 6 interactions GloBI sur 3 types (connectance 16.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
578 distinct species · 1 136 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,0°C
Annual rain
1 417mm
Warmest m°
27,7°C
Coldest m°
-0,4°C
Elevation: 780 m on average (min 336 m, max 1 805 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
30,3g/kg
Clay
29,9%
Sand
23,5%
Silt
46,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Chongqing
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)
Hydrology17 basins · 2 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
635,8km
Lake surface here
0,40km²
Basins crossed
17
Max stream order
6
Max drainage
67 034km²
Discharge in basins
1 802,5m³/s
Mean precip.
1 351mm/an
Mean T°
14,9°C
Moisture idx
0,20
Max snow
5%
Mean runoff
674mm/an
Mean elev. (basins)
778m
Watersheds crossing here
- Bassin de 甘龙河sub-area1 776,8 km²overlap1288.51 km²25%
- Bassin de 龙潭河sub-area1 329,1 km²overlap925.21 km²18%
- Bassin de 酉水sub-area1 172,6 km²overlap900.23 km²18%
- Bassin de 阿蓬江sub-area841,3 km²overlap675.42 km²13%
- Basin #92070sub-area563,9 km²overlap428.92 km²8%
- Bassin de 乌江sub-area1 057,9 km²overlap346.71 km²7%
- Bassin de 细沙河sub-area570,6 km²overlap208.46 km²4%
- Basin #72370sub-area207,2 km²overlap206.92 km²4%
- Bassin de 乌江sub-area255,8 km²overlap68.66 km²1%
8 more basinssorted by overlap
- Bassin de 诸佛河sub-area836,7 km²overlap40.62 km²1%
- Bassin de 乌江sub-area33,6 km²overlap25.38 km²0%
- Bassin de 乌江sub-area682,9 km²overlap19.48 km²0%
- Bassin de 梅江sub-area295,5 km²overlap2.08 km²0%
- Bassin de 洗车河sub-area1 201,9 km²overlap1.75 km²0%
- Bassin de 酉水sub-area468,3 km²overlap1.06 km²0%
- Bassin de 阿蓬江sub-area1 578,5 km²overlap0.44 km²0%
- Bassin de 洪渡河sub-area872,3 km²overlap0.11 km²0%
Lakes (2, top by area)
Rivers / streams (10, ord ≥ 4)
- 甘龙河ord 5len here110.16 km56%total196 km
- 酉水ord 6len here100.36 km14%total727 km
- 龙潭河ord 5len here99.66 km53%total187 km
- 阿蓬江ord 5len here90.25 km38%total235 km
- 乌江ord 6len here66.99 km5%total1417 km
- 小河ord 4len here59.38 km24%total244 km
- 大江溪ord 2len here32.73 km100%total33 km
- 龙洞河ord 3len here31.76 km76%total42 km
- 细沙河ord 3len here26.44 km43%total62 km
- 溶溪ord 4len here18.08 km25%total73 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,1nW
Built-up
20,4%
Pesticides
83,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)