Ontologia

Town · VNM

Sơn Tây

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

36

Observations

55

Area

117,5km²

Ecological tissue

Sample of 4 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 Sơn Tây : 4 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).

Espèces affichées
4
Interactions affichées
2
Connectance
0.333
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

36 distinct species · 55 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

55 obs · 2 cellules
Obs. / cellule
≥ 47
47–46
47–46
47–46
< 47

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

Climate

Mean T°

24,1°C

Annual rain

1 748mm

Warmest m°

32,2°C

Coldest m°

13,5°C

Elevation: 18 m on average (min 9 m, max 33 m)

Bioclimatic detailsExpert
Annual mean temp.
24,1°C
Annual rain
1 748mm
Warmest month
32,2°C
Coldest month
13,5°C
Mean alt.
18m
Min
9m
Max
33m
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

6,0

Org. C

19,2g/kg

Clay

31,9%

Sand

26,6%

Silt

41,5%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
24,7g/kg
Clay
31,8%
Sand
27,0%
Silt
41,3%
5–15 cm
pH H₂O
6,0
Org. C
19,3g/kg
Clay
30,8%
Sand
26,9%
Silt
42,3%
15–30 cm
pH H₂O
6,1
Org. C
13,6g/kg
Clay
33,0%
Sand
25,9%
Silt
41,1%

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

Land cover

Forest33.6%
Crops17.6%
Built-up5.0%
Bare soil1.4%
Other (grassland, water…)42.5%

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

Hydrology4 basins · 4 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

14,4km

Lake surface here

8,69km²

Basins crossed

4

Max stream order

3

Max drainage

135 136km²

Discharge in basins

354,0m³/s

Mean precip.

1 695mm/an

Mean T°

23,7°C

Moisture idx

0,22

Mean runoff

932mm/an

Mean elev. (basins)

56m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

10hab/km²

Night light

3,1nW

Built-up

499,1%

Pesticides

8,2kg/km²

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

Sub-administrations6