Ontologia

Commune · CHN

De'an

China

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

Species observed

83

Observations

113

Area

913,7km²

Ecological tissue

Sample of 19 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 De'an : 18 espèces reliées par 15 interactions GloBI sur 2 types (connectance 8.8%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
15
Connectance
0.088
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

83 distinct species · 113 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

113 obs · 16 cellules
Obs. / cellule
≥ 37
31–36
3–30
2–2
< 2

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

Climate

Mean T°

17,2°C

Annual rain

1 821mm

Warmest m°

32,2°C

Coldest m°

0,9°C

Elevation: 118 m on average (min 14 m, max 512 m)

Bioclimatic detailsExpert
Annual mean temp.
17,2°C
Annual rain
1 821mm
Warmest month
32,2°C
Coldest month
0,9°C
Mean alt.
118m
Min
14m
Max
512m
Std. dev.
90m
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

19,1g/kg

Clay

30,5%

Sand

24,3%

Silt

45,2%

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

Dominant lithology: smGLiMaggregated to Jiujiang

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
29,3g/kg
Clay
30,0%
Sand
24,3%
Silt
45,6%
5–15 cm
pH H₂O
5,9
Org. C
16,7g/kg
Clay
30,4%
Sand
24,3%
Silt
45,2%
15–30 cm
pH H₂O
6,0
Org. C
11,1g/kg
Clay
30,9%
Sand
24,3%
Silt
44,8%

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

Land cover

Forest49.5%
Crops18.4%
Built-up1.1%
Bare soil1.1%
Other (grassland, water…)29.9%

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

Hydrology4 basins · 4 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

186,6km

Lake surface here

0,50km²

Basins crossed

4

Max stream order

5

Max drainage

1 493 199km²

Discharge in basins

1 581,7m³/s

Mean precip.

1 477mm/an

Mean T°

17,0°C

Moisture idx

0,23

Max snow

4%

Mean runoff

1 089mm/an

Mean elev. (basins)

118m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

1,1nW

Built-up

105,5%

Pesticides

70,6kg/km²

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