Ontologia

Commune · CHN

Sanjiang Dong

China

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

Species observed

784

Observations

2 311

Area

2 395,2km²

Ecological tissue

Sample of 7 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 Sanjiang Dong : 6 espèces reliées par 6 interactions GloBI sur 1 type (connectance 28.6%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
7
Interactions affichées
6
Connectance
0.286
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

784 distinct species · 2 311 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 311 obs · 12 cellules
Obs. / cellule
≥ 1 849
414–1 848
14–413
2–13
< 2

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

Climate

Mean T°

18,4°C

Annual rain

1 757mm

Warmest m°

30,3°C

Coldest m°

3,5°C

Elevation: 393 m on average (min 128 m, max 1 188 m)

Bioclimatic detailsExpert
Annual mean temp.
18,4°C
Annual rain
1 757mm
Warmest month
30,3°C
Coldest month
3,5°C
Mean alt.
393m
Min
128m
Max
1 188m
Std. dev.
164m
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

5,7

Org. C

30,0g/kg

Clay

28,5%

Sand

30,6%

Silt

40,8%

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

Dominant lithology: scGLiMaggregated to Liuzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
48,2g/kg
Clay
28,4%
Sand
31,2%
Silt
40,3%
5–15 cm
pH H₂O
5,7
Org. C
26,1g/kg
Clay
28,0%
Sand
30,7%
Silt
41,3%
15–30 cm
pH H₂O
5,7
Org. C
15,7g/kg
Clay
29,1%
Sand
30,0%
Silt
40,8%

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

Land cover

Forest75.4%
Crops6.6%
Built-up0.2%
Bare soil0.5%
Other (grassland, water…)17.4%

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

Hydrology14 basins · 2 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

419,3km

Lake surface here

15,95km²

Basins crossed

14

Max stream order

6

Max drainage

20 358km²

Discharge in basins

664,3m³/s

Mean precip.

1 491mm/an

Mean T°

17,7°C

Moisture idx

0,20

Mean runoff

901mm/an

Mean elev. (basins)

445m

Watersheds crossing here

5 more basins

Lakes (2, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

18,4%

Pesticides

77,1kg/km²

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