Commune · CHN
Jianchang
China
Species observed
345
Observations
1 113
Area
3 199,1km²
Ecological tissue
Sample of 26 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 Jianchang : 20 espèces reliées par 31 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 6 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
345 distinct species · 1 113 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,9°C
Annual rain
604mm
Warmest m°
27,9°C
Coldest m°
-14,6°C
Elevation: 424 m on average (min 83 m, max 875 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
7,3
Org. C
15,7g/kg
Clay
20,3%
Sand
42,6%
Silt
37,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Huludao
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)
Hydrology16 basins · 5 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
383,1km
Lake surface here
3,92km²
Basins crossed
16
Max stream order
3
Max drainage
5 824km²
Discharge in basins
20,1m³/s
Mean precip.
623mm/an
Mean T°
7,7°C
Moisture idx
-0,34
Mean runoff
127mm/an
Mean elev. (basins)
390m
Watersheds crossing here
- Bassin de 大凌河sub-area2 634,5 km²overlap1114.15 km²35%
- Bassin de 六股河sub-area867,7 km²overlap839.66 km²26%
- Bassin de 黑水河sub-area594,9 km²overlap347.18 km²11%
- Bassin de 吕杖子河sub-area287,5 km²overlap287.87 km²9%
- Bassin de 六股河sub-area203,8 km²overlap204.01 km²6%
- Bassin de 青龙河sub-area1 985,1 km²overlap139.47 km²4%
- Bassin de 水龙河sub-area572,6 km²overlap90.55 km²3%
- Bassin de 六股河sub-area437,5 km²overlap78.69 km²2%
- Bassin de 小凌河sub-area1 707,9 km²overlap45.62 km²1%
7 more basinssorted by overlap
- Bassin de 六股河sub-area23,2 km²overlap23.23 km²1%
- Bassin de 狗河sub-area1 932,4 km²overlap10.84 km²0%
- Bassin de 大凌河sub-area308,9 km²overlap9.13 km²0%
- Bassin de 大凌河sub-area204,6 km²overlap3.66 km²0%
- Bassin de 王宝河sub-area422 km²overlap2.86 km²0%
- Bassin de 女儿河sub-area1 540,7 km²overlap1.42 km²0%
- Bassin de 大凌河sub-area289,8 km²overlap0.76 km²0%
Lakes (5, top by area)
Rivers / streams (15, ord ≥ 4)
- 六股河ord 4len here124.39 km52%total239 km
- 大凌河ord 6len here100.99 km13%total794 km
- 蒿桑河ord 2len here29.20 km56%total53 km
- 二道河ord 3len here29.09 km100%total29 km
- 黑水河ord 3len here14.34 km32%total44 km
- 吕杖子河ord 2len here14.28 km100%total14 km
- 茅河ord 1len here12.21 km100%total12 km
- 魏家岭河ord 1len here11.89 km100%total12 km
- 毛道河ord 2len here11.71 km100%total12 km
- 黑山河ord 2len here11.49 km100%total11 km
- 水龙河ord 1len here8.07 km100%total8 km
- 凌丰灌区右干渠ord 3len here6.45 km31%total21 km
3 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,2nW
Built-up
96,3%
Pesticides
74,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)