Ontologia

Commune · CHN

Chaonan

China

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

Species observed

163

Observations

684

Area

147,3km²

Ecological tissue

Sample of 43 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 Chaonan : 38 espèces reliées par 42 interactions GloBI sur 5 types (connectance 4.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
42
Connectance
0.046
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

163 distinct species · 684 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

684 obs · 4 cellules
Obs. / cellule
≥ 359
359–358
237–358
237–236
< 237

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

Climate

Mean T°

21,9°C

Annual rain

1 881mm

Warmest m°

30,6°C

Coldest m°

9,0°C

Elevation: 81 m on average (min 7 m, max 571 m)

Bioclimatic detailsExpert
Annual mean temp.
21,9°C
Annual rain
1 881mm
Warmest month
30,6°C
Coldest month
9,0°C
Mean alt.
81m
Min
7m
Max
571m
Std. dev.
96m
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

21,5g/kg

Clay

23,9%

Sand

41,1%

Silt

35,0%

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

Dominant lithology: paGLiMaggregated to Chaozhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
34,4g/kg
Clay
23,3%
Sand
41,5%
Silt
35,2%
5–15 cm
pH H₂O
5,6
Org. C
18,7g/kg
Clay
23,4%
Sand
41,0%
Silt
35,6%
15–30 cm
pH H₂O
5,6
Org. C
11,5g/kg
Clay
25,0%
Sand
40,7%
Silt
34,3%

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

Land cover

Forest41.2%
Crops9.8%
Built-up6.4%
Bare soil2.0%
Other (grassland, water…)40.6%

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

Hydrology4 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

21,6km

Lake surface here

1,85km²

Basins crossed

4

Max stream order

6

Max drainage

29 397km²

Discharge in basins

102,1m³/s

Mean precip.

1 485mm/an

Mean T°

21,5°C

Moisture idx

0,23

Mean runoff

565mm/an

Mean elev. (basins)

71m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

27hab/km²

Night light

10,8nW

Built-up

644,4%

Pesticides

69,8kg/km²

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