Commune · CHN
Yuanba
China
Species observed
691
Observations
2 466
Area
1 474,6km²
Ecological tissue
Sample of 10 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 Yuanba : 10 espèces reliées par 6 interactions GloBI sur 1 type (connectance 13.3%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
691 distinct species · 2 466 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,1°C
Annual rain
1 260mm
Warmest m°
28,0°C
Coldest m°
-0,6°C
Elevation: 740 m on average (min 460 m, max 1 229 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
6,5
Org. C
22,0g/kg
Clay
27,3%
Sand
26,4%
Silt
46,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Guangyuan
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)
Hydrology12 basins · 8 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
215,4km
Lake surface here
2,00km²
Basins crossed
12
Max stream order
7
Max drainage
63 061km²
Discharge in basins
2 137,1m³/s
Mean precip.
950mm/an
Mean T°
15,8°C
Moisture idx
-0,16
Max snow
5%
Mean runoff
526mm/an
Mean elev. (basins)
769m
Watersheds crossing here
- Bassin de 插江sub-area945,3 km²overlap487.06 km²33%
- Bassin de 嘉陵江sub-area538,3 km²overlap421.29 km²29%
- Bassin de 嘉陵江sub-area193,6 km²overlap187.95 km²13%
- Bassin de 嘉陵江sub-area148,5 km²overlap134.89 km²9%
- Bassin de 嘉陵江sub-area1 529,6 km²overlap121.86 km²8%
- Bassin de 嘉陵江sub-area704,3 km²overlap39.40 km²3%
- Bassin de 嘉陵江sub-area27,6 km²overlap27.60 km²2%
- Bassin de 嘉陵江sub-area390 km²overlap18.28 km²1%
- Bassin de 清江河sub-area2 869,5 km²overlap13.15 km²1%
Lakes (8, top by area)
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,1nW
Built-up
21,5%
Pesticides
76,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)