Commune · CHN
Baiquan
China
Species observed
25
Observations
91
Area
3 592,2km²
Ecological tissue
Sample of 4 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 Baiquan : 3 espèces reliées par 4 interactions GloBI sur 2 types (connectance 66.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
25 distinct species · 91 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
2,5°C
Annual rain
536mm
Warmest m°
25,9°C
Coldest m°
-27,1°C
Elevation: 247 m on average (min 167 m, max 313 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
6,9
Org. C
30,0g/kg
Clay
32,0%
Sand
25,3%
Silt
42,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Qiqihar
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 · 15 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
39,0km
Lake surface here
17,42km²
Basins crossed
11
Max stream order
4
Max drainage
7 732km²
Discharge in basins
28,2m³/s
Mean precip.
501mm/an
Mean T°
1,8°C
Moisture idx
-0,35
Max snow
28%
Mean runoff
124mm/an
Mean elev. (basins)
237m
Watersheds crossing here
- Bassin de 双阳河sub-area1 214,3 km²overlap1179.12 km²33%
- Bassin de 通肯河sub-area1 629,4 km²overlap649.69 km²18%
- Bassin de 津河sub-area1 213,8 km²overlap503.34 km²14%
- Bassin de 双阳河sub-area553,8 km²overlap427.47 km²12%
- Basin #81900sub-area474 km²overlap417.63 km²12%
- Bassin de 双阳河sub-area1 120,1 km²overlap190.83 km²5%
- Bassin de 乌裕尔河sub-area537,1 km²overlap98.39 km²3%
- Bassin de 通肯河sub-area597,4 km²overlap64.83 km²2%
- Basin #83430sub-area280,7 km²overlap44.43 km²1%
2 more basinssorted by overlap
Lakes (15, top by area)
- Sandaozhen Shuikuarea9,3 km²avg depth6.4 m
- Lake #68652area1,2 km²avg depth3.4 m
- Bayi Shuikuarea1,1 km²avg depth3.2 m
- Lac 1349460area0,9 km²avg depth3.3 m
- Lac 1348922area0,9 km²avg depth3.8 m
- Lac 1349012area0,7 km²avg depth3.0 m
- Lac 1349367area0,6 km²avg depth3.5 m
- Lac 1349393area0,6 km²avg depth2.9 m
- Lac 1348560area0,5 km²avg depth3.4 m
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,2nW
Built-up
80,8%
Pesticides
78,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)