Ontologia

Prefecture City · CHN

Hengyang

China

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

Species observed

2 304

Observations

11 268

Area

15 365,9km²

Ecological tissue

Sample of 22 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 Hengyang : 21 espèces reliées par 16 interactions GloBI sur 3 types (connectance 6.9%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
16
Connectance
0.069
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

2 304 distinct species · 11 268 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 268 obs · 108 cellules
Obs. / cellule
≥ 3 137
132–3 136
10–131
3–9
< 3

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

Climate

Mean T°

18,6°C

Annual rain

1 742mm

Warmest m°

33,2°C

Coldest m°

2,6°C

Elevation: 158 m on average (min 45 m, max 1 035 m)

Bioclimatic detailsExpert
Annual mean temp.
18,6°C
Annual rain
1 742mm
Warmest month
33,2°C
Coldest month
2,6°C
Mean alt.
158m
Min
45m
Max
1 035m
Std. dev.
120m
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

5,6

Org. C

23,0g/kg

Clay

29,6%

Sand

28,4%

Silt

42,0%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
38,3g/kg
Clay
29,0%
Sand
28,8%
Silt
42,1%
5–15 cm
pH H₂O
5,6
Org. C
17,3g/kg
Clay
29,4%
Sand
28,3%
Silt
42,2%
15–30 cm
pH H₂O
5,7
Org. C
13,4g/kg
Clay
30,2%
Sand
28,0%
Silt
41,8%

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

Land cover

Forest39.6%
Crops25.4%
Built-up1.4%
Bare soil1.7%
Other (grassland, water…)31.9%

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

Hydrology48 basins · 50 lakes · 42 rivers

Hydrology metrics for this exact territory

Stream length here

2 293,8km

Lake surface here

57,43km²

Basins crossed

48

Max stream order

7

Max drainage

66 165km²

Discharge in basins

9 698,2m³/s

Mean precip.

1 484mm/an

Mean T°

17,9°C

Moisture idx

0,21

Max snow

1%

Mean runoff

822mm/an

Mean elev. (basins)

166m

Watersheds crossing here

39 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (42, ord ≥ 4)

30 more river segments

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

Human pressure

Pop. density

4hab/km²

Night light

0,4nW

Built-up

143,8%

Pesticides

72,8kg/km²

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

Sub-administrations8