Commune · CHN
Yibin Xiàn
China
Species observed
778
Observations
2 234
Area
3 069,3km²
Ecological tissue
Sample of 8 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 Yibin Xiàn : 8 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 2 types (connectance 17.9%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
778 distinct species · 2 234 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,7°C
Annual rain
1 172mm
Warmest m°
29,8°C
Coldest m°
4,2°C
Elevation: 446 m on average (min 285 m, max 1 204 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
21,1g/kg
Clay
28,3%
Sand
32,1%
Silt
39,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Yibin
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 · 3 lakes · 28 rivers
Hydrology metrics for this exact territory
Stream length here
532,6km
Lake surface here
0,72km²
Basins crossed
12
Max stream order
8
Max drainage
471 454km²
Discharge in basins
6 117,7m³/s
Mean precip.
1 136mm/an
Mean T°
17,2°C
Moisture idx
0,03
Max snow
2%
Mean runoff
574mm/an
Mean elev. (basins)
507m
Watersheds crossing here
- Bassin de 越溪河sub-area2 584 km²overlap1038.91 km²34%
- Bassin de 岷江sub-area1 031,3 km²overlap687.65 km²22%
- Bassin de 横江sub-area1 819,4 km²overlap243.70 km²8%
- Bassin de 黄沙河sub-area879,3 km²overlap237.01 km²8%
- Bassin de 岷江sub-area270,6 km²overlap231.38 km²8%
- Bassin de 南广河sub-area806 km²overlap210.67 km²7%
- Bassin de 岷江sub-area645,9 km²overlap199.01 km²6%
- Bassin de 金沙江sub-area234 km²overlap118.59 km²4%
- Bassin de 沱江sub-area1 634,6 km²overlap86.33 km²3%
Lakes (3, top by area)
Rivers / streams (28, ord ≥ 4)
- 越溪河ord 4len here127.50 km53%total243 km
- 岷江ord 7len here82.36 km6%total1281 km
- 沙河ord 5len here77.48 km9%total870 km
- 横江ord 6len here37.57 km13%total289 km
- 金沙江ord 8len here27.58 km1%total4654 km
- 白吉子河ord 3len here23.83 km32%total76 km
- 罗汉溪ord 2len here21.61 km100%total22 km
- 万里河ord 2len here19.86 km100%total20 km
- 黑滩河ord 2len here16.55 km100%total17 km
- 陈河ord 2len here11.42 km57%total20 km
- 真溪河ord 2len here11.31 km64%total18 km
- 竹麻溪ord 2len here11.09 km100%total11 km
16 more river segmentssorted by Strahler order + length
- x005ord 2len here9.64 km100%total10 km
- 石桥河ord 2len here8.06 km100%total8 km
- 跳瞪子河ord 1len here7.13 km100%total7 km
- 喻家河ord 1len here6.25 km100%total6 km
- 涪溪河ord 3len here6.15 km29%total21 km
- 瓦窑村河ord 1len here5.61 km100%total6 km
- 黄沙河ord 4len here4.83 km2%total287 km
- laoxionggouord 4len here3.53 km100%total4 km
- x007ord 1len here2.73 km100%total3 km
- 新桥河ord 3len here2.44 km3%total78 km
- 大塔河ord 1len here2.25 km100%total2 km
- x008ord 1len here2.08 km100%total2 km
- x003ord 1len here1.62 km100%total2 km
- 沙溪河ord 6len here0.94 km1%total105 km
- 狮子沱河ord 1len here0.61 km100%total1 km
- x011ord 1len here0.61 km100%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,4nW
Built-up
41,5%
Pesticides
76,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)