Ontologia

Prefecture City · CHN

Yueyang

China

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

Species observed

1 224

Observations

8 082

Area

14 827,8km²

Ecological tissue

Sample of 27 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 Yueyang : 18 espèces reliées par 50 interactions GloBI sur 5 types (connectance 12.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
50
Connectance
0.123
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

1 224 distinct species · 8 082 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 082 obs · 143 cellules
Obs. / cellule
≥ 601
126–600
22–125
5–21
< 5

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

Climate

Mean T°

17,4°C

Annual rain

1 704mm

Warmest m°

31,8°C

Coldest m°

1,0°C

Elevation: 128 m on average (min 21 m, max 1 355 m)

Bioclimatic detailsExpert
Annual mean temp.
17,4°C
Annual rain
1 704mm
Warmest month
31,8°C
Coldest month
1,0°C
Mean alt.
128m
Min
21m
Max
1 355m
Std. dev.
153m
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

6,0

Org. C

23,0g/kg

Clay

28,8%

Sand

26,3%

Silt

44,9%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
34,6g/kg
Clay
28,3%
Sand
26,4%
Silt
45,3%
5–15 cm
pH H₂O
6,0
Org. C
17,7g/kg
Clay
28,4%
Sand
26,5%
Silt
45,1%
15–30 cm
pH H₂O
6,0
Org. C
16,8g/kg
Clay
29,6%
Sand
25,9%
Silt
44,5%

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

Land cover

Forest37.1%
Crops28.4%
Built-up1.1%
Bare soil1.9%
Other (grassland, water…)31.5%

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

Hydrology41 basins · 50 lakes · 45 rivers

Hydrology metrics for this exact territory

Stream length here

1 870,7km

Lake surface here

516,49km²

Basins crossed

41

Max stream order

9

Max drainage

1 274 073km²

Discharge in basins

75 569,3m³/s

Mean precip.

1 389mm/an

Mean T°

16,8°C

Moisture idx

0,22

Max snow

9%

Mean runoff

719mm/an

Mean elev. (basins)

128m

Watersheds crossing here

32 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (45, ord ≥ 4)

33 more river segments

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

Human pressure

Pop. density

3hab/km²

Night light

0,6nW

Built-up

113,4%

Pesticides

72,0kg/km²

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

Protected areas2

IUCN Ia · 1IUCN Not Reported · 1

Dong dongting hu

IUCN Ia

Wetland of International Importance (Ramsar Site) · 1992

1 900 km²

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

Sub-administrations7