Commune · CHN
Songzi
China
Species observed
149
Observations
750
Area
2 173,3km²
Ecological tissue
Sample of 32 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 Songzi : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 3 types (connectance 8.5%, 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
149 distinct species · 750 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,1°C
Annual rain
1 389mm
Warmest m°
31,2°C
Coldest m°
0,4°C
Elevation: 114 m on average (min 33 m, max 694 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
6,4
Org. C
17,5g/kg
Clay
28,4%
Sand
30,0%
Silt
41,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Jingzhou
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 · 27 lakes · 22 rivers
Hydrology metrics for this exact territory
Stream length here
477,2km
Lake surface here
53,53km²
Basins crossed
7
Max stream order
9
Max drainage
999 965km²
Discharge in basins
1 430,6m³/s
Mean precip.
1 218mm/an
Mean T°
16,4°C
Moisture idx
0,09
Max snow
2%
Mean runoff
532mm/an
Mean elev. (basins)
198m
Watersheds crossing here
- Bassin de 洈水河sub-area1 801,5 km²overlap910.53 km²42%
- Bassin de 松滋河（西支）sub-area843 km²overlap726.86 km²33%
- Bassin de 长江sub-area2 075,6 km²overlap202.21 km²9%
- Bassin de 界溪河sub-area376,3 km²overlap165.63 km²8%
- Bassin de 松滋河（东支）sub-area697,3 km²overlap161.41 km²7%
- Bassin de 涔水sub-area2 501,2 km²overlap3.95 km²0%
- Bassin de 虎渡河sub-area1 228,8 km²overlap2.70 km²0%
Lakes (27, top by area)
- Weishui Shuikuarea24,8 km²avg depth23.2 m
- 小南海area8,2 km²avg depth2.5 m
- Wangjia Dahuarea6 km²avg depth1.9 m
- Beihe Shuikuarea3,6 km²avg depth15.6 m
- Sanmen Shuikuarea3,6 km²avg depth2.8 m
- 蠡田湖area3,2 km²avg depth3.7 m
- 庆寿寺湖area2,3 km²avg depth1.3 m
- Lac 1378521area0,9 km²avg depth3.0 m
- Lac 1378394area0,6 km²avg depth1.6 m
18 more lakes
- Lac 1378793area0,6 km²avg depth23.1 m
- Lac 1378999area0,5 km²avg depth4.5 m
- Lac 1378843area0,5 km²avg depth1.6 m
- Lac 1378726area0,5 km²avg depth2.9 m
- Lac 1378686area0,4 km²avg depth3.6 m
- Lac 1378614area0,3 km²avg depth1.7 m
- Lac 1378695area0,3 km²avg depth1.7 m
- Lac 1378939area0,3 km²avg depth3.2 m
- Lac 1378480area0,2 km²avg depth2.2 m
- Lac 1378348area0,2 km²avg depth2.5 m
- Lac 1378399area0,2 km²avg depth3.5 m
- Lac 1378428area0,2 km²avg depth3.1 m
- Lac 1378816area0,2 km²avg depth7.6 m
- Lac 1378491area0,2 km²avg depth3.2 m
- Lac 1378445area0,2 km²avg depth1.4 m
- Lac 1378548area0,1 km²avg depth3.2 m
- Lac 1378468area0,1 km²avg depth2.0 m
- Lac 1378650area0,1 km²avg depth1.4 m
Rivers / streams (22, ord ≥ 4)
- 洈水河ord 4len here118.39 km74%total161 km
- 松滋河（西支）ord 5len here55.06 km47%total118 km
- 南河ord 6len here35.48 km5%total775 km
- 松滋河（东支）ord 5len here33.21 km32%total103 km
- 红岩河ord 4len here24.71 km9%total266 km
- 界溪河ord 2len here22.26 km60%total37 km
- 老洈水河ord 4len here21.56 km68%total32 km
- 木天河ord 2len here21.17 km100%total21 km
- 麻水河ord 2len here20.84 km100%total21 km
- 洛溪河ord 3len here20.49 km86%total24 km
- 刘家场河（柳林河）ord 2len here16.20 km100%total16 km
- 庙河ord 2len here15.57 km100%total16 km
10 more river segmentssorted by Strahler order + length
- 文家河ord 1len here15.41 km100%total15 km
- 松滋河ord 2len here14.54 km54%total27 km
- 长江ord 9len here13.39 km0%total3801 km
- 碾盘河ord 3len here9.95 km100%total10 km
- 采穴河ord 3len here7.37 km34%total21 km
- 曲池河ord 3len here5.94 km90%total7 km
- 沮漳河ord 9len here2.74 km2%total121 km
- 泗潭河ord 4len here1.67 km10%total16 km
- 白杨河ord 4len here0.69 km2%total30 km
- 陈家河ord 1len here0.59 km2%total25 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,6nW
Built-up
160,0%
Pesticides
76,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)