Ontologia

Prefecture City · CHN

Jiujiang

China

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

Species observed

4 209

Observations

69 871

Area

18 810km²

Ecological tissue

Sample of 29 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 Jiujiang : 23 espèces reliées par 37 interactions GloBI sur 2 types (connectance 9.1%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
37
Connectance
0.091
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

4 209 distinct species · 69 871 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

69 871 obs · 271 cellules
Obs. / cellule
≥ 5 346
264–5 345
25–263
6–24
< 6

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

Climate

Mean T°

17,0°C

Annual rain

1 941mm

Warmest m°

31,6°C

Coldest m°

0,8°C

Elevation: 207 m on average (min 7 m, max 1 532 m)

Bioclimatic detailsExpert
Annual mean temp.
17,0°C
Annual rain
1 941mm
Warmest month
31,6°C
Coldest month
0,8°C
Mean alt.
207m
Min
7m
Max
1 532m
Std. dev.
220m
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

5,8

Org. C

22,4g/kg

Clay

28,1%

Sand

30,0%

Silt

41,9%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
36,0g/kg
Clay
27,4%
Sand
30,2%
Silt
42,4%
5–15 cm
pH H₂O
5,8
Org. C
18,9g/kg
Clay
27,8%
Sand
30,2%
Silt
42,0%
15–30 cm
pH H₂O
5,8
Org. C
12,4g/kg
Clay
29,0%
Sand
29,7%
Silt
41,3%

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

Land cover

Forest48.1%
Crops17.0%
Built-up1.0%
Bare soil1.5%
Other (grassland, water…)32.4%

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

Hydrology50 basins · 50 lakes · 67 rivers

Hydrology metrics for this exact territory

Stream length here

2 979,2km

Lake surface here

1 540,42km²

Basins crossed

50

Max stream order

9

Max drainage

1 662 785km²

Discharge in basins

68 196,0m³/s

Mean precip.

1 478mm/an

Mean T°

16,6°C

Moisture idx

0,22

Max snow

9%

Mean runoff

987mm/an

Mean elev. (basins)

208m

Watersheds crossing here

41 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (67, ord ≥ 4)

55 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

0,7nW

Built-up

99,1%

Pesticides

70,9kg/km²

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

Sub-administrations11