Ontologia

Commune · CHN

Ji'an

China

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

Species observed

230

Observations

322

Area

2 777,8km²

Ecological tissue

Sample of 24 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 Ji'an : 21 espèces reliées par 24 interactions GloBI sur 3 types (connectance 8.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
24
Connectance
0.080
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

230 distinct species · 322 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

322 obs · 10 cellules
Obs. / cellule
≥ 295
295–294
5–294
1–4
< 1

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

Climate

Mean T°

18,9°C

Annual rain

1 809mm

Warmest m°

33,2°C

Coldest m°

2,9°C

Elevation: 147 m on average (min 47 m, max 933 m)

Bioclimatic detailsExpert
Annual mean temp.
18,9°C
Annual rain
1 809mm
Warmest month
33,2°C
Coldest month
2,9°C
Mean alt.
147m
Min
47m
Max
933m
Std. dev.
104m
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

18,0g/kg

Clay

27,4%

Sand

32,3%

Silt

40,4%

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

Dominant lithology: ssGLiMaggregated to Ji'an

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
26,9g/kg
Clay
26,7%
Sand
32,9%
Silt
40,4%
5–15 cm
pH H₂O
5,6
Org. C
15,7g/kg
Clay
27,2%
Sand
32,3%
Silt
40,5%
15–30 cm
pH H₂O
5,6
Org. C
11,4g/kg
Clay
28,2%
Sand
31,6%
Silt
40,2%

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

Land cover

Forest50.0%
Crops23.0%
Built-up1.0%
Bare soil1.6%
Other (grassland, water…)24.3%

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

Hydrology19 basins · 22 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

514,8km

Lake surface here

13,83km²

Basins crossed

19

Max stream order

6

Max drainage

63 407km²

Discharge in basins

1 686,0m³/s

Mean precip.

1 499mm/an

Mean T°

18,2°C

Moisture idx

0,20

Mean runoff

892mm/an

Mean elev. (basins)

176m

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

Human pressure

Pop. density

2hab/km²

Night light

0,4nW

Built-up

103,5%

Pesticides

64,9kg/km²

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