Commune · CHN
Qianwei
China
Species observed
77
Observations
164
Area
1 384,1km²
Ecological tissue
Sample of 19 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 Qianwei : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 14 interactions GloBI sur 4 types (connectance 8.2%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
77 distinct species · 164 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,7°C
Annual rain
1 260mm
Warmest m°
29,6°C
Coldest m°
4,0°C
Elevation: 429 m on average (min 313 m, max 937 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
6,2
Org. C
20,5g/kg
Clay
27,8%
Sand
29,6%
Silt
42,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Leshan
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)
Hydrology8 basins · 2 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
210,3km
Lake surface here
2,43km²
Basins crossed
8
Max stream order
7
Max drainage
131 681km²
Discharge in basins
2 828,7m³/s
Mean precip.
1 216mm/an
Mean T°
17,2°C
Moisture idx
0,09
Max snow
2%
Mean runoff
688mm/an
Mean elev. (basins)
487m
Watersheds crossing here
- Bassin de 沐溪河sub-area845 km²overlap368.36 km²27%
- Bassin de 岷江sub-area470,4 km²overlap338.72 km²24%
- Bassin de 马边河sub-area428,1 km²overlap281.88 km²20%
- Bassin de 越溪河sub-area2 584 km²overlap229.07 km²17%
- Bassin de 茫溪河sub-area1 284,5 km²overlap113.75 km²8%
- Bassin de 岷江sub-area270,6 km²overlap38.76 km²3%
- Bassin de 岷江sub-area645,9 km²overlap13.16 km²1%
- Bassin de 马边河sub-area485,2 km²overlap0.35 km²0%
Lakes (2, top by area)
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,3nW
Built-up
57,0%
Pesticides
76,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)