Ontologia

Commune · VNM

Song Mai

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

29

Observations

49

Area

10,3km²

Ecological tissue

Sample of 9 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 Song Mai : 9 espèces reliées par 7 interactions GloBI sur 2 types (connectance 19.4%, filtre Serrano α=0.2).

Espèces affichées
9
Interactions affichées
7
Connectance
0.194
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

29 distinct species · 49 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

49 obs · 1 cellules
Obs. / cellule
≥ 49
49–48
49–48
49–48
< 49

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

Climate

Mean T°

23,9°C

Annual rain

1 827mm

Warmest m°

32,1°C

Coldest m°

12,8°C

Elevation: 10 m on average (min 5 m, max 21 m)

Bioclimatic detailsExpert
Annual mean temp.
23,9°C
Annual rain
1 827mm
Warmest month
32,1°C
Coldest month
12,8°C
Mean alt.
10m
Min
5m
Max
21m
Std. dev.
6m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, 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

6,2

Org. C

17,0g/kg

Clay

30,5%

Sand

29,9%

Silt

39,6%

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

Dominant lithology: suGLiMaggregated to Bắc Giang

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
22,8g/kg
Clay
29,7%
Sand
31,0%
Silt
39,4%
5–15 cm
pH H₂O
6,2
Org. C
15,7g/kg
Clay
29,8%
Sand
30,2%
Silt
40,0%
15–30 cm
pH H₂O
6,2
Org. C
12,5g/kg
Clay
32,0%
Sand
28,6%
Silt
39,4%

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

Land cover

Forest16.7%
Crops24.5%
Built-up4.3%
Bare soil1.0%
Other (grassland, water…)53.5%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,9km

Basins crossed

1

Max stream order

5

Max drainage

3 099km²

Discharge in basins

0,2m³/s

Mean precip.

1 559mm/an

Mean T°

22,8°C

Moisture idx

0,16

Mean runoff

689mm/an

Mean elev. (basins)

152m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Night light

5,6nW

Built-up

434,7%

Pesticides

8,5kg/km²

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