Commune · CHN
Changli
China
Species observed
445
Observations
2 182
Area
1 207,3km²
Ecological tissue
Sample of 30 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 Changli : 20 espèces reliées par 46 interactions GloBI sur 2 types (connectance 10.6%, filtre Serrano α=0.2). 10 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
445 distinct species · 2 182 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,5°C
Annual rain
622mm
Warmest m°
29,0°C
Coldest m°
-9,5°C
Elevation: 21 m on average (min -13 m, max 478 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
7,7
Org. C
9,6g/kg
Clay
20,3%
Sand
47,7%
Silt
32,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Qinhuangdao
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 · 1 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
65,7km
Lake surface here
0,14km²
Basins crossed
7
Max stream order
6
Max drainage
45 725km²
Discharge in basins
40,1m³/s
Mean precip.
642mm/an
Mean T°
10,9°C
Moisture idx
-0,37
Max snow
2%
Mean runoff
80mm/an
Mean elev. (basins)
31m
Watersheds crossing here
- Bassin de 滦河sub-area1 020,2 km²overlap366.35 km²30%
- Bassin de 苏庄村sub-area624,3 km²overlap355.19 km²29%
- Basin #07050sub-area324,3 km²overlap320.07 km²27%
- Basin #07000sub-area196,7 km²overlap127.48 km²11%
- Basin #07060sub-area39,7 km²overlap31.32 km²3%
- Basin #07040sub-area9,5 km²overlap6.67 km²1%
- Bassin de 洋河sub-area1 412,1 km²overlap0.25 km²0%
Lakes (1, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
2,0nW
Built-up
462,8%
Pesticides
74,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)