Ontologia

Commune · VNM

Bắc Sơn (Thị trấn )

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

20

Observations

25

Area

3,3km²

Ecological tissue

Sample of 8 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 Bắc Sơn (Thị trấn ) : 8 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 2 types (connectance 17.9%, filtre Serrano α=0.2).

Espèces affichées
8
Interactions affichées
5
Connectance
0.179
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

20 distinct species · 25 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

25 obs · 1 cellules
Obs. / cellule
≥ 25
25–24
25–24
25–24
< 25

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

Climate

Mean T°

21,1°C

Annual rain

1 922mm

Warmest m°

29,0°C

Coldest m°

9,8°C

Elevation: 441 m on average (min 428 m, max 463 m)

Bioclimatic detailsExpert
Annual mean temp.
21,1°C
Annual rain
1 922mm
Warmest month
29,0°C
Coldest month
9,8°C
Mean alt.
441m
Min
428m
Max
463m
Std. dev.
10m
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

5,5

Org. C

25,9g/kg

Clay

34,0%

Sand

25,3%

Silt

40,7%

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

Dominant lithology: scGLiMaggregated to Bắc Sơn

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
36,8g/kg
Clay
32,0%
Sand
26,2%
Silt
41,9%
5–15 cm
pH H₂O
5,4
Org. C
24,5g/kg
Clay
33,0%
Sand
26,0%
Silt
41,1%
15–30 cm
pH H₂O
5,5
Org. C
16,5g/kg
Clay
37,0%
Sand
23,8%
Silt
39,2%

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

Land cover

Forest46.5%
Crops9.1%
Built-up4.8%
Bare soil0.4%
Other (grassland, water…)39.2%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

2 571km²

Discharge in basins

0,1m³/s

Mean precip.

1 586mm/an

Mean T°

21,2°C

Moisture idx

0,17

Mean runoff

622mm/an

Mean elev. (basins)

450m

Watersheds crossing here

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

Human pressure

Pop. density

31hab/km²

Night light

2,1nW

Built-up

483,5%

Pesticides

8,8kg/km²

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