Ontologia

Commune · CHN

Huichang

China

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

Species observed

1 542

Observations

6 785

Area

2 712,4km²

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 Huichang : 38 espèces reliées par 44 interactions GloBI sur 4 types (connectance 4.7%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
44
Connectance
0.046
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

1 542 distinct species · 6 785 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 785 obs · 71 cellules
Obs. / cellule
≥ 4 399
107–4 398
22–106
9–21
< 9

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

Climate

Mean T°

19,5°C

Annual rain

1 731mm

Warmest m°

31,9°C

Coldest m°

3,9°C

Elevation: 360 m on average (min 166 m, max 954 m)

Bioclimatic detailsExpert
Annual mean temp.
19,5°C
Annual rain
1 731mm
Warmest month
31,9°C
Coldest month
3,9°C
Mean alt.
360m
Min
166m
Max
954m
Std. dev.
153m
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

5,4

Org. C

23,9g/kg

Clay

33,1%

Sand

34,3%

Silt

32,6%

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

Dominant lithology: ssGLiMaggregated to Ganzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
36,9g/kg
Clay
32,3%
Sand
35,0%
Silt
32,7%
5–15 cm
pH H₂O
5,4
Org. C
20,3g/kg
Clay
32,6%
Sand
34,4%
Silt
33,0%
15–30 cm
pH H₂O
5,4
Org. C
14,4g/kg
Clay
34,4%
Sand
33,5%
Silt
32,1%

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

Land cover

Forest64.6%
Crops11.3%
Built-up0.5%
Bare soil1.0%
Other (grassland, water…)22.6%

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

Hydrology11 basins · 5 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

320,6km

Lake surface here

6,40km²

Basins crossed

11

Max stream order

5

Max drainage

6 790km²

Discharge in basins

264,9m³/s

Mean precip.

1 662mm/an

Mean T°

18,9°C

Moisture idx

0,25

Mean runoff

820mm/an

Mean elev. (basins)

389m

Watersheds crossing here

2 more basins

Lakes (5, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,2nW

Built-up

53,1%

Pesticides

69,7kg/km²

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