Ontologia

Commune · CHN

Long'an

China

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

Species observed

453

Observations

757

Area

2 279,6km²

Ecological tissue

Sample of 44 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 Long'an : 37 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 5 types (connectance 5.1%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
48
Connectance
0.051
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

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

Species present

453 distinct species · 757 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

757 obs · 29 cellules
Obs. / cellule
≥ 438
39–437
10–38
5–9
< 5

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

Climate

Mean T°

21,6°C

Annual rain

1 614mm

Warmest m°

30,5°C

Coldest m°

8,9°C

Elevation: 240 m on average (min 81 m, max 728 m)

Bioclimatic detailsExpert
Annual mean temp.
21,6°C
Annual rain
1 614mm
Warmest month
30,5°C
Coldest month
8,9°C
Mean alt.
240m
Min
81m
Max
728m
Std. dev.
129m
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

5,6

Org. C

23,1g/kg

Clay

37,4%

Sand

22,0%

Silt

40,6%

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

Dominant lithology: scGLiMaggregated to Nanning

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
34,1g/kg
Clay
35,9%
Sand
23,1%
Silt
41,0%
5–15 cm
pH H₂O
5,5
Org. C
21,1g/kg
Clay
36,5%
Sand
22,2%
Silt
41,3%
15–30 cm
pH H₂O
5,6
Org. C
14,1g/kg
Clay
39,9%
Sand
20,7%
Silt
39,5%

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

Land cover

Forest54.7%
Crops17.4%
Built-up0.6%
Bare soil1.4%
Other (grassland, water…)25.9%

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

Hydrology15 basins · 8 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

338,8km

Lake surface here

2,81km²

Basins crossed

15

Max stream order

6

Max drainage

37 348km²

Discharge in basins

1 032,0m³/s

Mean precip.

1 518mm/an

Mean T°

21,9°C

Moisture idx

0,14

Mean runoff

471mm/an

Mean elev. (basins)

260m

Watersheds crossing here

6 more basins

Lakes (8, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

2,1nW

Built-up

58,4%

Pesticides

70,6kg/km²

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