Ontologia

Prefecture City · CHN

Lu'an

China

CfaTemperate, no dry season, hot summer(98 %)

Species observed

2 228

Observations

21 321

Area

18 393,2km²

Ecological tissue

Sample of 39 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 : 33 espèces reliées par 41 interactions GloBI sur 3 types (connectance 5.5%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
41
Connectance
0.055
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

2 228 distinct species · 21 321 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

21 321 obs · 272 cellules
Obs. / cellule
≥ 775
41–774
9–40
4–8
< 4

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

Climate

Mean T°

15,5°C

Annual rain

1 333mm

Warmest m°

30,9°C

Coldest m°

-2,0°C

Elevation: 183 m on average (min 8 m, max 1 477 m)

Bioclimatic detailsExpert
Annual mean temp.
15,5°C
Annual rain
1 333mm
Warmest month
30,9°C
Coldest month
-2,0°C
Mean alt.
183m
Min
8m
Max
1 477m
Std. dev.
238m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(98 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,3

Org. C

17,6g/kg

Clay

28,3%

Sand

25,5%

Silt

46,2%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
27,4g/kg
Clay
27,5%
Sand
25,7%
Silt
46,8%
5–15 cm
pH H₂O
6,3
Org. C
15,5g/kg
Clay
28,1%
Sand
25,6%
Silt
46,3%
15–30 cm
pH H₂O
6,4
Org. C
9,8g/kg
Clay
29,3%
Sand
25,2%
Silt
45,5%

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

Land cover

Forest31.4%
Crops40.2%
Built-up1.1%
Bare soil1.0%
Other (grassland, water…)26.3%

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

Hydrology46 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

3 275,1km

Lake surface here

457,42km²

Basins crossed

46

Max stream order

7

Max drainage

95 033km²

Discharge in basins

3 653,1m³/s

Mean precip.

1 171mm/an

Mean T°

15,2°C

Moisture idx

0,03

Max snow

6%

Mean runoff

453mm/an

Mean elev. (basins)

192m

Watersheds crossing here

37 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

0,8nW

Built-up

112,6%

Pesticides

75,5kg/km²

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

Sub-administrations6