Commune · CHN
Changyuan
China
Species observed
113
Observations
229
Area
1 083,3km²
Ecological tissue
Sample of 37 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 Changyuan : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 3 types (connectance 6.5%, 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
113 distinct species · 229 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,8°C
Annual rain
647mm
Warmest m°
31,4°C
Coldest m°
-4,8°C
Elevation: 64 m on average (min 57 m, max 73 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
8,4
Org. C
6,1g/kg
Clay
20,4%
Sand
31,7%
Silt
47,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Xinxiang
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)
Hydrology3 basins · 1 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
74,6km
Lake surface here
1,85km²
Basins crossed
3
Max stream order
8
Max drainage
734 701km²
Discharge in basins
143,6m³/s
Mean precip.
597mm/an
Mean T°
14,6°C
Moisture idx
-0,51
Max snow
1%
Mean runoff
67mm/an
Mean elev. (basins)
69m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
5hab/km²
Night light
2,7nW
Built-up
493,2%
Pesticides
72,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)