Commune · CHN
Youyu
China
Species observed
77
Observations
131
Area
1 992,6km²
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 Youyu : 8 espèces reliées par 9 interactions GloBI sur 1 type (connectance 25.0%, 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
77 distinct species · 131 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,6°C
Annual rain
438mm
Warmest m°
25,3°C
Coldest m°
-17,8°C
Elevation: 1 449 m on average (min 1 268 m, max 1 867 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
8,1
Org. C
12,8g/kg
Clay
12,5%
Sand
51,8%
Silt
35,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Shuozhou
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)
Hydrology6 basins · 3 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
177,3km
Lake surface here
1,33km²
Basins crossed
6
Max stream order
4
Max drainage
3 763km²
Discharge in basins
2,3m³/s
Mean precip.
436mm/an
Mean T°
4,6°C
Moisture idx
-0,52
Max snow
6%
Mean runoff
31mm/an
Mean elev. (basins)
1 436m
Watersheds crossing here
Lakes (3, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
28,8%
Pesticides
67,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)