Ontologia

Commune · CHN

Le'an

China

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

Species observed

335

Observations

884

Area

2 418,8km²

Ecological tissue

Sample of 38 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 Le'an : 34 espèces reliées par 29 interactions GloBI sur 6 types (connectance 4.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
29
Connectance
0.041
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

335 distinct species · 884 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

884 obs · 20 cellules
Obs. / cellule
≥ 457
328–456
8–327
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°

18,1°C

Annual rain

2 055mm

Warmest m°

32,6°C

Coldest m°

1,7°C

Elevation: 280 m on average (min 77 m, max 1 194 m)

Bioclimatic detailsExpert
Annual mean temp.
18,1°C
Annual rain
2 055mm
Warmest month
32,6°C
Coldest month
1,7°C
Mean alt.
280m
Min
77m
Max
1 194m
Std. dev.
202m
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

5,3

Org. C

22,0g/kg

Clay

27,0%

Sand

33,3%

Silt

39,7%

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

Dominant lithology: paGLiMaggregated to Fuzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
32,9g/kg
Clay
26,3%
Sand
34,1%
Silt
39,6%
5–15 cm
pH H₂O
5,3
Org. C
19,4g/kg
Clay
26,8%
Sand
33,3%
Silt
39,9%
15–30 cm
pH H₂O
5,3
Org. C
13,5g/kg
Clay
27,9%
Sand
32,5%
Silt
39,6%

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

Land cover

Forest61.6%
Crops15.2%
Built-up0.5%
Bare soil0.9%
Other (grassland, water…)21.8%

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

Hydrology11 basins · 3 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

307,8km

Lake surface here

0,83km²

Basins crossed

11

Max stream order

4

Max drainage

2 624km²

Discharge in basins

96,8m³/s

Mean precip.

1 555mm/an

Mean T°

17,8°C

Moisture idx

0,24

Mean runoff

1 005mm/an

Mean elev. (basins)

261m

Watersheds crossing here

2 more basins

Lakes (3, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,2nW

Built-up

50,2%

Pesticides

67,1kg/km²

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