Ontologia

Commune · CHN

Xiangtan Xiàn

China

CfaTemperate, no dry season, hot summer(100 %)

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

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).

Espèces affichées
39
Interactions affichées
46
Connectance
0.062
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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.

Densité d'observations

237 obs · 30 cellules
Obs. / cellule
≥ 54
34–53
5–33
1–4
< 1

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

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 detailsExpert
Annual mean temp.
18,2°C
Annual rain
1 814mm
Warmest month
33,1°C
Coldest month
2,0°C
Mean alt.
85m
Min
31m
Max
487m
Std. dev.
43m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

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 detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
42,1g/kg
Clay
30,5%
Sand
26,4%
Silt
43,1%
5–15 cm
pH H₂O
5,7
Org. C
17,7g/kg
Clay
30,2%
Sand
26,1%
Silt
43,7%
15–30 cm
pH H₂O
5,7
Org. C
14,1g/kg
Clay
30,6%
Sand
26,0%
Silt
43,4%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest40.1%
Crops29.8%
Built-up1.6%
Bare soil1.4%
Other (grassland, water…)27.0%

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

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.)