Ontologia

Commune · CHN

Lu An

China

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

Species observed

153

Observations

692

Area

3 560,4km²

Ecological tissue

Sample of 40 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 Lu An : 37 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 4.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
38
Connectance
0.049
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

153 distinct species · 692 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

692 obs · 38 cellules
Obs. / cellule
≥ 409
26–408
7–25
2–6
< 2

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

Climate

Mean T°

16,0°C

Annual rain

1 273mm

Warmest m°

31,7°C

Coldest m°

-1,8°C

Elevation: 67 m on average (min 18 m, max 523 m)

Bioclimatic detailsExpert
Annual mean temp.
16,0°C
Annual rain
1 273mm
Warmest month
31,7°C
Coldest month
-1,8°C
Mean alt.
67m
Min
18m
Max
523m
Std. dev.
51m
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

6,4

Org. C

14,4g/kg

Clay

33,6%

Sand

17,9%

Silt

48,5%

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

Dominant lithology: paGLiMaggregated to Lu'an

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
21,1g/kg
Clay
32,7%
Sand
18,3%
Silt
49,0%
5–15 cm
pH H₂O
6,4
Org. C
13,0g/kg
Clay
33,5%
Sand
17,9%
Silt
48,6%
15–30 cm
pH H₂O
6,5
Org. C
9,1g/kg
Clay
34,5%
Sand
17,7%
Silt
47,9%

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

Land cover

Forest21.3%
Crops47.4%
Built-up1.7%
Bare soil1.5%
Other (grassland, water…)28.1%

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

Hydrology8 basins · 26 lakes · 24 rivers

Hydrology metrics for this exact territory

Stream length here

598,4km

Lake surface here

6,50km²

Basins crossed

8

Max stream order

5

Max drainage

5 612km²

Discharge in basins

117,9m³/s

Mean precip.

1 119mm/an

Mean T°

15,8°C

Moisture idx

-0,02

Max snow

3%

Mean runoff

429mm/an

Mean elev. (basins)

73m

Rivers / streams (24, ord ≥ 4)

12 more river segments

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

Human pressure

Pop. density

4hab/km²

Night light

1,7nW

Built-up

174,5%

Pesticides

79,0kg/km²

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