Ontologia

Commune · CHN

Tong'an

China

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

Species observed

793

Observations

7 632

Area

974,7km²

Ecological tissue

Sample of 26 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 Tong'an : 20 espèces reliées par 28 interactions GloBI sur 3 types (connectance 8.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
28
Connectance
0.086
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

793 distinct species · 7 632 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 632 obs · 25 cellules
Obs. / cellule
≥ 2 472
1 010–2 471
167–1 009
31–166
< 31

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

Climate

Mean T°

20,6°C

Annual rain

1 623mm

Warmest m°

30,4°C

Coldest m°

7,7°C

Elevation: 197 m on average (min -59 m, max 951 m)

Bioclimatic detailsExpert
Annual mean temp.
20,6°C
Annual rain
1 623mm
Warmest month
30,4°C
Coldest month
7,7°C
Mean alt.
197m
Min
-59m
Max
951m
Std. dev.
237m
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

20,3g/kg

Clay

26,3%

Sand

33,4%

Silt

40,3%

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

Dominant lithology: paGLiMaggregated to Xiamen

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
33,5g/kg
Clay
24,8%
Sand
34,6%
Silt
40,6%
5–15 cm
pH H₂O
5,9
Org. C
16,3g/kg
Clay
25,8%
Sand
33,6%
Silt
40,6%
15–30 cm
pH H₂O
5,9
Org. C
11,2g/kg
Clay
28,3%
Sand
32,0%
Silt
39,7%

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

Land cover

Forest39.1%
Crops15.5%
Built-up4.9%
Bare soil2.5%
Other (grassland, water…)38.0%

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

Hydrology8 basins · 11 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

74,7km

Lake surface here

4,16km²

Basins crossed

8

Max stream order

4

Max drainage

3 144km²

Discharge in basins

14,7m³/s

Mean precip.

1 256mm/an

Mean T°

20,8°C

Moisture idx

0,09

Mean runoff

547mm/an

Mean elev. (basins)

174m

Watersheds crossing here

Lakes (11, top by area)

2 more lakes

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

Human pressure

Pop. density

7hab/km²

Night light

11,8nW

Built-up

487,7%

Pesticides

66,6kg/km²

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