Commune · CHN
Xiangtan Xiàn
China
Species observed
158
Observations
237
Area
2 538,8km²
Ecological tissue
Sample of 39 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 Xiangtan Xiàn : 33 espèces reliées par 46 interactions GloBI sur 4 types (connectance 6.2%, 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
158 distinct species · 237 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,2°C
Annual rain
1 814mm
Warmest m°
33,1°C
Coldest m°
2,0°C
Elevation: 85 m on average (min 31 m, max 487 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
5,7
Org. C
24,6g/kg
Clay
30,4%
Sand
26,1%
Silt
43,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Xiangtan
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 · 20 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
270,4km
Lake surface here
9,43km²
Basins crossed
11
Max stream order
7
Max drainage
83 497km²
Discharge in basins
2 837,9m³/s
Mean precip.
1 583mm/an
Mean T°
17,7°C
Moisture idx
0,27
Max snow
2%
Mean runoff
913mm/an
Mean elev. (basins)
114m
Watersheds crossing here
- Bassin de 涓水sub-area1 743,2 km²overlap1025.40 km²40%
- Bassin de 涟水sub-area1 309,5 km²overlap603.60 km²24%
- Bassin de 湘江sub-area1 098,4 km²overlap329.46 km²13%
- Bassin de 湘江sub-area270 km²overlap237.49 km²9%
- Bassin de 湘江sub-area571,8 km²overlap147.17 km²6%
- Bassin de 靳江河sub-area773,5 km²overlap133.39 km²5%
- Bassin de 湘江sub-area66,5 km²overlap44.82 km²2%
- Bassin de 湘江sub-area751,6 km²overlap13.56 km²1%
- Bassin de 湘江sub-area636,3 km²overlap2.06 km²0%
2 more basinssorted by overlap
Lakes (20, top by area)
- 花石水库area2,1 km²avg depth4.7 m
- 中路铺水库area1,8 km²avg depth4.6 m
- Lac 1382355area0,8 km²avg depth5.7 m
- Lac 1382327area0,7 km²avg depth5.7 m
- Lac 1382352area0,7 km²avg depth3.6 m
- Lac 1382421area0,4 km²avg depth6.4 m
- Lac 1382218area0,4 km²avg depth1.5 m
- Lac 1382223area0,3 km²avg depth2.8 m
- Lac 1382354area0,3 km²avg depth4.2 m
11 more lakes
- Lac 1382206area0,3 km²avg depth3.5 m
- Lac 1382132area0,3 km²avg depth3.4 m
- Lac 1382448area0,2 km²avg depth5.1 m
- Lac 1382412area0,2 km²avg depth3.2 m
- Lac 1382348area0,2 km²avg depth4.6 m
- Lac 1382249area0,2 km²avg depth4.0 m
- Lac 1382297area0,2 km²avg depth4.1 m
- Lac 1382146area0,2 km²avg depth2.8 m
- Lac 1382250area0,1 km²avg depth2.7 m
- Lac 1382389area0,1 km²avg depth2.5 m
- Lac 1382368area0,1 km²avg depth4.2 m
Rivers / streams (7, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
0,8nW
Built-up
158,3%
Pesticides
70,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)