Commune · CHN
Santai
China
Species observed
198
Observations
277
Area
2 661,5km²
Ecological tissue
Sample of 18 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 Santai : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 4 types (connectance 20.3%, filtre Serrano α=0.2). 7 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
198 distinct species · 277 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,3°C
Annual rain
1 004mm
Warmest m°
29,8°C
Coldest m°
2,2°C
Elevation: 448 m on average (min 346 m, max 537 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
7,4
Org. C
18,4g/kg
Clay
27,4%
Sand
22,7%
Silt
49,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Mianyang
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)
Hydrology11 basins · 9 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
392,2km
Lake surface here
23,76km²
Basins crossed
11
Max stream order
5
Max drainage
18 305km²
Discharge in basins
478,6m³/s
Mean precip.
940mm/an
Mean T°
16,6°C
Moisture idx
-0,10
Max snow
4%
Mean runoff
484mm/an
Mean elev. (basins)
489m
Watersheds crossing here
- Bassin de 凯江sub-area2 590,3 km²overlap603.90 km²23%
- Bassin de 涪江sub-area892,9 km²overlap568.38 km²21%
- Bassin de 涪江sub-area498,9 km²overlap495.10 km²19%
- Bassin de 魏城河sub-area991,4 km²overlap344.73 km²13%
- Bassin de 安居河sub-area2 200,3 km²overlap319.71 km²12%
- Bassin de 涪江sub-area240,6 km²overlap178.50 km²7%
- Bassin de 涪江sub-area248 km²overlap104.32 km²4%
- Bassin de 梓潼江sub-area1 266,4 km²overlap19.97 km²1%
- Bassin de 梓潼江sub-area87,8 km²overlap13.68 km²1%
2 more basinssorted by overlap
Lakes (9, top by area)
- Luban Shuikuarea19,3 km²avg depth15.2 m
- Hongqiyan Shuikuarea2,4 km²avg depth13.1 m
- Tuanjie Shuikuarea1,2 km²avg depth18.3 m
- Lac 1376538area0,3 km²avg depth4.3 m
- Lac 1376858area0,3 km²avg depth5.2 m
- Lac 1376683area0,2 km²avg depth5.7 m
- Lac 1376757area0,2 km²avg depth3.1 m
- Lac 1376451area0,2 km²avg depth3.7 m
- Lac 1376471area0,1 km²avg depth3.3 m
Rivers / streams (10, ord ≥ 4)
- 涪江ord 6len here106.31 km10%total1071 km
- 凯江ord 4len here75.17 km26%total285 km
- 魏城河ord 4len here61.09 km39%total158 km
- 桃花河ord 9len here46.68 km34%total136 km
- 安居河ord 4len here38.37 km19%total200 km
- 金家河ord 3len here32.77 km51%total64 km
- 人民渠鲁联干渠ord 1len here21.53 km86%total25 km
- 梓潼江ord 4len here7.85 km2%total370 km
- 惠泽堰ord 5len here2.04 km8%total27 km
- 富丰河ord 2len here0.39 km3%total14 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
0,4nW
Built-up
93,4%
Pesticides
74,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)