Ontologia

Prefecture City · CHN

Heyuan

China

CfaTemperate, no dry season, hot summer(67 %)

Species observed

2 061

Observations

7 563

Area

15 623,9km²

Ecological tissue

Sample of 2 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 Heyuan : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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

2 061 distinct species · 7 563 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 563 obs · 111 cellules
Obs. / cellule
≥ 1 530
20–1 529
4–19
3–3
< 3

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

Climate

Mean T°

20,5°C

Annual rain

2 078mm

Warmest m°

30,3°C

Coldest m°

6,1°C

Elevation: 300 m on average (min 30 m, max 1 130 m)

Bioclimatic detailsExpert
Annual mean temp.
20,5°C
Annual rain
2 078mm
Warmest month
30,3°C
Coldest month
6,1°C
Mean alt.
300m
Min
30m
Max
1 130m
Std. dev.
175m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(67 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,5

Org. C

25,6g/kg

Clay

27,8%

Sand

41,6%

Silt

30,6%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
38,6g/kg
Clay
26,6%
Sand
42,7%
Silt
30,7%
5–15 cm
pH H₂O
5,5
Org. C
22,7g/kg
Clay
26,9%
Sand
42,2%
Silt
30,9%
15–30 cm
pH H₂O
5,5
Org. C
15,4g/kg
Clay
30,0%
Sand
39,9%
Silt
30,1%

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

Land cover

Forest60.6%
Crops9.7%
Built-up0.6%
Bare soil0.9%
Other (grassland, water…)28.2%

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

Hydrology40 basins · 27 lakes · 50 rivers

Hydrology metrics for this exact territory

Stream length here

2 502,3km

Lake surface here

359,93km²

Basins crossed

40

Max stream order

6

Max drainage

19 178km²

Discharge in basins

2 996,0m³/s

Mean precip.

1 820mm/an

Mean T°

20,3°C

Moisture idx

0,31

Mean runoff

940mm/an

Mean elev. (basins)

302m

Watersheds crossing here

31 more basins

Lakes (27, top by area)

18 more lakes

Rivers / streams (50, ord ≥ 4)

38 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

0,6nW

Built-up

59,7%

Pesticides

72,6kg/km²

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

Sub-administrations5