Commune · CHN
Yanchi
China
Species observed
524
Observations
2 580
Area
6 766,4km²
Ecological tissue
Sample of 14 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 Yanchi : 12 espèces reliées par 12 interactions GloBI sur 2 types (connectance 13.2%, filtre Serrano α=0.2). 2 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
524 distinct species · 2 580 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,8°C
Annual rain
312mm
Warmest m°
27,6°C
Coldest m°
-12,2°C
Elevation: 1 487 m on average (min 1 292 m, max 1 898 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
8,3
Org. C
7,3g/kg
Clay
15,1%
Sand
55,5%
Silt
29,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Wuzhong
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)
Hydrology14 basins · 4 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
155,0km
Lake surface here
2,84km²
Basins crossed
14
Max stream order
4
Max drainage
4 291km²
Discharge in basins
1,4m³/s
Mean precip.
298mm/an
Mean T°
7,8°C
Moisture idx
-0,71
Max snow
3%
Mean runoff
6mm/an
Mean elev. (basins)
1 454m
Watersheds crossing here
- Bassin de 大河子沟sub-area2 693,5 km²overlap1161.07 km²17%
- Bassin de 苦水河sub-area1 679 km²overlap1032.96 km²15%
- Basin #55630sub-area1 202,4 km²overlap944.05 km²14%
- Bassin de 苦水河sub-area871,6 km²overlap872.01 km²13%
- Basin #54800sub-area1 494 km²overlap528.62 km²8%
- Basin #52850sub-area2 797 km²overlap504.21 km²7%
- Bassin de 东川sub-area2 588,2 km²overlap501.08 km²7%
- Basin #56590sub-area968 km²overlap383.03 km²6%
- Bassin de 甜水河sub-area686,9 km²overlap356.87 km²5%
Lakes (4, 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
0,5nW
Built-up
14,9%
Pesticides
57,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)