Commune · CHN
Chaotian
China
Species observed
266
Observations
955
Area
1 615,4km²
Ecological tissue
Sample of 29 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 Chaotian : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 30 interactions GloBI sur 4 types (connectance 7.4%, filtre Serrano α=0.2). 5 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
266 distinct species · 955 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,0°C
Annual rain
1 182mm
Warmest m°
26,2°C
Coldest m°
-2,8°C
Elevation: 1 061 m on average (min 533 m, max 1 830 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
6,3
Org. C
22,1g/kg
Clay
25,5%
Sand
26,7%
Silt
47,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Guangyuan
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)
Hydrology7 basins · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
236,9km
Basins crossed
7
Max stream order
6
Max drainage
29 370km²
Discharge in basins
249,8m³/s
Mean precip.
855mm/an
Mean T°
14,0°C
Moisture idx
-0,20
Max snow
4%
Mean runoff
459mm/an
Mean elev. (basins)
1 099m
Watersheds crossing here
- Bassin de 安乐河sub-area1 419,7 km²overlap673.90 km²42%
- Bassin de 嘉陵江sub-area1 529,6 km²overlap631.63 km²39%
- Bassin de 广坪河sub-area1 080,2 km²overlap285.42 km²18%
- Bassin de 盐井河sub-area591,2 km²overlap19.33 km²1%
- Bassin de 三道河sub-area333,3 km²overlap3.38 km²0%
- Bassin de 白龙江sub-area1 091,4 km²overlap1.56 km²0%
- Bassin de 玉带河sub-area1 211,9 km²overlap0.19 km²0%
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,1nW
Built-up
12,0%
Pesticides
77,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)