Ontologia

Commune · CHN

Datian

China

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

Species observed

346

Observations

639

Area

2 199,5km²

Ecological tissue

Sample of 33 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 Datian : 31 espèces reliées par 30 interactions GloBI sur 3 types (connectance 5.7%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
30
Connectance
0.057
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

346 distinct species · 639 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

639 obs · 25 cellules
Obs. / cellule
≥ 259
65–258
8–64
2–7
< 2

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

Climate

Mean T°

18,3°C

Annual rain

1 863mm

Warmest m°

30,6°C

Coldest m°

3,8°C

Elevation: 669 m on average (min 288 m, max 1 200 m)

Bioclimatic detailsExpert
Annual mean temp.
18,3°C
Annual rain
1 863mm
Warmest month
30,6°C
Coldest month
3,8°C
Mean alt.
669m
Min
288m
Max
1 200m
Std. dev.
171m
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

5,4

Org. C

27,7g/kg

Clay

29,6%

Sand

33,3%

Silt

37,1%

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

Dominant lithology: ssGLiMaggregated to Sanming

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
42,9g/kg
Clay
28,3%
Sand
34,5%
Silt
37,2%
5–15 cm
pH H₂O
5,4
Org. C
24,2g/kg
Clay
28,6%
Sand
33,6%
Silt
37,8%
15–30 cm
pH H₂O
5,4
Org. C
16,0g/kg
Clay
31,7%
Sand
31,8%
Silt
36,4%

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

Land cover

Forest70.6%
Crops8.6%
Built-up0.3%
Bare soil0.6%
Other (grassland, water…)19.8%

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

Hydrology9 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

207,6km

Lake surface here

0,31km²

Basins crossed

9

Max stream order

5

Max drainage

11 856km²

Discharge in basins

62,4m³/s

Mean precip.

1 655mm/an

Mean T°

17,7°C

Moisture idx

0,30

Mean runoff

834mm/an

Mean elev. (basins)

682m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,3nW

Built-up

28,0%

Pesticides

73,9kg/km²

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