Commune · CHN
Hanyuan
China
Species observed
1 101
Observations
2 571
Area
2 193,9km²
Ecological tissue
Sample of 20 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 Hanyuan : 18 espèces reliées par 15 interactions GloBI sur 3 types (connectance 7.9%, 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
1 101 distinct species · 2 571 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,7°C
Annual rain
1 410mm
Warmest m°
21,8°C
Coldest m°
-5,9°C
Elevation: 1 965 m on average (min 843 m, max 3 505 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
5,9
Org. C
36,5g/kg
Clay
25,4%
Sand
34,8%
Silt
39,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Ya'an
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)
Hydrology16 basins · 0 lakes · 17 rivers
Hydrology metrics for this exact territory
Stream length here
352,0km
Basins crossed
16
Max stream order
6
Max drainage
73 281km²
Discharge in basins
2 260,1m³/s
Mean precip.
1 058mm/an
Mean T°
11,9°C
Moisture idx
0,05
Max snow
15%
Mean runoff
649mm/an
Mean elev. (basins)
1 995m
Watersheds crossing here
- Bassin de 流沙河sub-area1 150,7 km²overlap1140.23 km²52%
- Bassin de 白岩河sub-area215,1 km²overlap213.89 km²10%
- Bassin de 大渡河sub-area962,2 km²overlap207.27 km²9%
- Bassin de 林罗沟sub-area307,6 km²overlap200.01 km²9%
- Bassin de 大渡河sub-area264,5 km²overlap196.48 km²9%
- Bassin de 大渡河sub-area344,2 km²overlap132.50 km²6%
- Bassin de 大渡河sub-area308,9 km²overlap56.58 km²3%
- Bassin de 白岩河sub-area16,3 km²overlap16.27 km²1%
- Bassin de 荥经河sub-area604,9 km²overlap7.28 km²0%
7 more basinssorted by overlap
- Bassin de 大渡河sub-area2 176,4 km²overlap5.96 km²0%
- Bassin de 南桠河sub-area1 193 km²overlap5.27 km²0%
- Bassin de 周公河sub-area1 119,6 km²overlap4.63 km²0%
- Bassin de 大渡河sub-area490,4 km²overlap4.46 km²0%
- Bassin de 经河sub-area596,3 km²overlap2.36 km²0%
- Bassin de 荥经河sub-area198,4 km²overlap0.46 km²0%
- Bassin de 嘎嘎以达河sub-area394,1 km²overlap0.29 km²0%
Rivers / streams (17, ord ≥ 4)
- 流沙河ord 4len here119.24 km60%total199 km
- 大渡河ord 7len here50.90 km6%total802 km
- 白岩河ord 6len here44.39 km95%total47 km
- 林罗沟ord 3len here34.25 km86%total40 km
- 西街河ord 2len here20.38 km100%total20 km
- 宰骡河ord 6len here16.12 km76%total21 km
- 鲁布沟ord 2len here15.31 km100%total15 km
- 深溪沟ord 1len here14.28 km100%total14 km
- 老昌沟ord 2len here7.98 km100%total8 km
- 耍耍沟ord 1len here7.13 km100%total7 km
- 喇叭沟ord 1len here5.72 km100%total6 km
- 龙头沟ord 1len here3.85 km100%total4 km
5 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,1nW
Built-up
19,9%
Pesticides
79,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)