Ontologia

Commune · CHN

Yiyang Xiàn

China

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

Species observed

203

Observations

562

Area

1 367,2km²

Ecological tissue

Sample of 44 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 Yiyang Xiàn : 34 espèces reliées par 46 interactions GloBI sur 3 types (connectance 4.9%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
46
Connectance
0.049
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

203 distinct species · 562 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

562 obs · 14 cellules
Obs. / cellule
≥ 210
143–209
54–142
2–53
< 2

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

Climate

Mean T°

17,8°C

Annual rain

1 575mm

Warmest m°

32,3°C

Coldest m°

1,7°C

Elevation: 63 m on average (min 24 m, max 273 m)

Bioclimatic detailsExpert
Annual mean temp.
17,8°C
Annual rain
1 575mm
Warmest month
32,3°C
Coldest month
1,7°C
Mean alt.
63m
Min
24m
Max
273m
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

5,9

Org. C

21,8g/kg

Clay

30,8%

Sand

24,0%

Silt

45,2%

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

Dominant lithology: smGLiMaggregated to Yiyang

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
32,9g/kg
Clay
30,3%
Sand
24,1%
Silt
45,5%
5–15 cm
pH H₂O
5,9
Org. C
17,3g/kg
Clay
31,0%
Sand
24,0%
Silt
45,0%
15–30 cm
pH H₂O
6,0
Org. C
15,2g/kg
Clay
31,0%
Sand
23,9%
Silt
45,1%

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

Land cover

Forest29.3%
Crops39.2%
Built-up2.1%
Bare soil2.0%
Other (grassland, water…)27.4%

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

Hydrology9 basins · 23 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

122,3km

Lake surface here

25,00km²

Basins crossed

9

Max stream order

6

Max drainage

120 755km²

Discharge in basins

848,6m³/s

Mean precip.

1 377mm/an

Mean T°

17,5°C

Moisture idx

0,19

Max snow

2%

Mean runoff

702mm/an

Mean elev. (basins)

74m

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

Human pressure

Pop. density

5hab/km²

Night light

1,4nW

Built-up

210,3%

Pesticides

71,2kg/km²

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

Protected areas1

IUCN Not Reported · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN