Ontologia

Commune · CHN

Changtai

China

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

Species observed

310

Observations

550

Area

904,9km²

Ecological tissue

Sample of 20 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 Changtai : 18 espèces reliées par 15 interactions GloBI sur 2 types (connectance 7.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
15
Connectance
0.079
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

310 distinct species · 550 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

550 obs · 10 cellules
Obs. / cellule
≥ 463
463–462
28–462
6–27
< 6

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 825mm

Warmest m°

30,7°C

Coldest m°

6,9°C

Elevation: 270 m on average (min 9 m, max 920 m)

Bioclimatic detailsExpert
Annual mean temp.
20,6°C
Annual rain
1 825mm
Warmest month
30,7°C
Coldest month
6,9°C
Mean alt.
270m
Min
9m
Max
920m
Std. dev.
210m
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

23,8g/kg

Clay

28,5%

Sand

31,5%

Silt

39,9%

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

Dominant lithology: paGLiMaggregated to Zhangzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
39,2g/kg
Clay
26,9%
Sand
32,6%
Silt
40,4%
5–15 cm
pH H₂O
5,6
Org. C
19,4g/kg
Clay
28,0%
Sand
31,8%
Silt
40,3%
15–30 cm
pH H₂O
5,6
Org. C
12,7g/kg
Clay
30,7%
Sand
30,2%
Silt
39,0%

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

Land cover

Forest57.2%
Crops9.8%
Built-up1.8%
Bare soil1.3%
Other (grassland, water…)29.9%

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

Hydrology6 basins · 2 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

14,8km

Lake surface here

1,13km²

Basins crossed

6

Max stream order

4

Max drainage

9 717km²

Discharge in basins

133,8m³/s

Mean precip.

1 507mm/an

Mean T°

19,8°C

Moisture idx

0,25

Mean runoff

601mm/an

Mean elev. (basins)

350m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

2,3nW

Built-up

175,3%

Pesticides

63,9kg/km²

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