Ontologia

Commune · CHN

Youxian

China

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

Species observed

270

Observations

431

Area

2 675,5km²

Ecological tissue

Sample of 33 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 Youxian : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 4 types (connectance 7.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
38
Connectance
0.072
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

270 distinct species · 431 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

431 obs · 16 cellules
Obs. / cellule
≥ 162
80–161
30–79
14–29
< 14

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 966mm

Warmest m°

32,7°C

Coldest m°

2,1°C

Elevation: 229 m on average (min 71 m, max 1 127 m)

Bioclimatic detailsExpert
Annual mean temp.
18,2°C
Annual rain
1 966mm
Warmest month
32,7°C
Coldest month
2,1°C
Mean alt.
229m
Min
71m
Max
1 127m
Std. dev.
182m
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

29,3%

Sand

30,8%

Silt

39,9%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: smGLiMaggregated to Zhuzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
40,6g/kg
Clay
28,7%
Sand
31,2%
Silt
40,1%
5–15 cm
pH H₂O
5,7
Org. C
18,9g/kg
Clay
29,3%
Sand
30,6%
Silt
40,1%
15–30 cm
pH H₂O
5,7
Org. C
14,3g/kg
Clay
30,0%
Sand
30,6%
Silt
39,3%

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

Land cover

Forest50.7%
Crops19.9%
Built-up1.3%
Bare soil1.1%
Other (grassland, water…)27.1%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology10 basins · 14 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

334,6km

Lake surface here

15,99km²

Basins crossed

10

Max stream order

5

Max drainage

10 333km²

Discharge in basins

227,7m³/s

Mean precip.

1 607mm/an

Mean T°

17,3°C

Moisture idx

0,28

Mean runoff

908mm/an

Mean elev. (basins)

242m

Watersheds crossing here

1 more basins

Lakes (14, top by area)

5 more lakes

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

2hab/km²

Night light

0,1nW

Built-up

134,4%

Pesticides

68,2kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)