Commune · CHN
Yanyuan
China
Species observed
1 296
Observations
3 136
Area
8 391,5km²
Ecological tissue
Sample of 13 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 Yanyuan : 10 espèces reliées par 10 interactions GloBI sur 2 types (connectance 12.8%, filtre Serrano α=0.2). 3 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
1 296 distinct species · 3 136 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,4°C
Annual rain
1 131mm
Warmest m°
19,1°C
Coldest m°
-3,4°C
Elevation: 2 757 m on average (min 1 249 m, max 4 118 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
6,0
Org. C
43,9g/kg
Clay
24,6%
Sand
33,8%
Silt
41,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Liangshan Yi
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)
Hydrology23 basins · 18 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
769,9km
Lake surface here
33,36km²
Basins crossed
23
Max stream order
7
Max drainage
113 517km²
Discharge in basins
3 209,5m³/s
Mean precip.
990mm/an
Mean T°
11,0°C
Moisture idx
-0,10
Max snow
4%
Mean runoff
466mm/an
Mean elev. (basins)
2 779m
Watersheds crossing here
- Bassin de 卧落河sub-area1 099,7 km²overlap1097.38 km²13%
- Bassin de 永宁河sub-area3 751,4 km²overlap1090.40 km²13%
- Bassin de 卧落河sub-area806,9 km²overlap805.57 km²10%
- Bassin de 雅砻江sub-area1 244,5 km²overlap593.90 km²7%
- Basin #46100sub-area549 km²overlap540.07 km²6%
- Bassin de 雅砻江sub-area1 969,9 km²overlap530.85 km²6%
- Basin #54880sub-area514,3 km²overlap509.73 km²6%
- Bassin de 卧落河sub-area491 km²overlap476.91 km²6%
- Bassin de 小金河sub-area1 235,3 km²overlap426.06 km²5%
14 more basinssorted by overlap
- Basin #38700sub-area400 km²overlap399.40 km²5%
- Bassin de 卧落河sub-area821,5 km²overlap354.61 km²4%
- Bassin de 雅砻江sub-area336,4 km²overlap335.83 km²4%
- Bassin de 卧落河sub-area312,5 km²overlap312.04 km²4%
- Bassin de 卧落河sub-area498,2 km²overlap298.48 km²4%
- Bassin de 雅砻江sub-area625 km²overlap205.05 km²2%
- Bassin de Yalong Jiangsub-area1 192,4 km²overlap153.30 km²2%
- Bassin de 卧落河sub-area120,7 km²overlap120.52 km²1%
- Bassin de 永兴河sub-area800,2 km²overlap52.61 km²1%
- Bassin de 雅砻江sub-area98,2 km²overlap52.45 km²1%
- Bassin de 雅砻江sub-area472,1 km²overlap29.08 km²0%
- Bassin de 橄鱼河sub-area392,1 km²overlap4.12 km²0%
- Bassin de 雅砻江sub-area8,2 km²overlap3.04 km²0%
- Bassin de 雅砻江sub-area167,8 km²overlap0.08 km²0%
Lakes (18, top by area)
- 二滩水库area65,4 km²avg depth94.8 m
- Lugu Huarea50 km²avg depth51.3 m
- Lac 1382399area0,6 km²avg depth5.4 m
- Lac 1382508area0,5 km²avg depth4.8 m
- Lac 1382379area0,4 km²avg depth3.9 m
- Lac 1382265area0,4 km²avg depth6.8 m
- Lac 1382443area0,4 km²avg depth4.7 m
- Lac 1382404area0,4 km²avg depth5.2 m
- Lac 1382485area0,3 km²avg depth4.7 m
9 more lakes
- Lac 1382445area0,3 km²avg depth5.5 m
- Lac 1382272area0,3 km²avg depth4.4 m
- Lac 1382501area0,3 km²avg depth3.7 m
- Lac 1382428area0,2 km²avg depth4.0 m
- Lac 1382392area0,2 km²avg depth5.2 m
- Lac 1382424area0,2 km²avg depth4.2 m
- Lac 1382502area0,1 km²avg depth4.9 m
- Lac 1382446area0,1 km²avg depth5.1 m
- Lac 1382418area0,1 km²avg depth4.4 m
Rivers / streams (9, ord ≥ 4)
- 卧落河ord 6len here288.06 km91%total317 km
- 雅砻江ord 7len here220.51 km7%total3198 km
- 永宁河ord 5len here92.04 km15%total594 km
- 小金河ord 6len here85.64 km57%total151 km
- 宁蒗河ord 4len here30.64 km21%total148 km
- 大洼河ord 4len here27.82 km84%total33 km
- 前所河ord 4len here16.77 km73%total23 km
- 豆落河ord 3len here5.80 km25%total23 km
- 锦屏二级水电站4号引水隧洞ord 7len here2.62 km100%total3 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
4,8%
Pesticides
82,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)