Ontologia

District · VNM

Sơn Dương

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

55

Observations

112

Area

787,3km²

Ecological tissue

Sample of 13 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 Dương : 13 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 7 interactions GloBI sur 2 types (connectance 9.0%, filtre Serrano α=0.2).

Espèces affichées
13
Interactions affichées
7
Connectance
0.090
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

55 distinct species · 112 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

112 obs · 16 cellules
Obs. / cellule
≥ 27
22–26
7–21
5–6
< 5

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

Climate

Mean T°

23,4°C

Annual rain

1 905mm

Warmest m°

30,9°C

Coldest m°

12,6°C

Elevation: 158 m on average (min 21 m, max 1 269 m)

Bioclimatic detailsExpert
Annual mean temp.
23,4°C
Annual rain
1 905mm
Warmest month
30,9°C
Coldest month
12,6°C
Mean alt.
158m
Min
21m
Max
1 269m
Std. dev.
163m
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

5,6

Org. C

24,5g/kg

Clay

34,4%

Sand

27,2%

Silt

38,4%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
32,7g/kg
Clay
34,2%
Sand
27,8%
Silt
37,9%
5–15 cm
pH H₂O
5,6
Org. C
24,8g/kg
Clay
33,4%
Sand
27,7%
Silt
39,0%
15–30 cm
pH H₂O
5,6
Org. C
15,9g/kg
Clay
35,6%
Sand
26,0%
Silt
38,4%

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

Land cover

Forest58.1%
Crops15.5%
Built-up0.9%
Bare soil1.7%
Other (grassland, water…)23.7%

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

Hydrology4 basins · 3 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

146,2km

Lake surface here

0,64km²

Basins crossed

4

Max stream order

7

Max drainage

34 809km²

Discharge in basins

445,8m³/s

Mean precip.

1 692mm/an

Mean T°

22,6°C

Moisture idx

0,22

Mean runoff

882mm/an

Mean elev. (basins)

159m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,2nW

Built-up

93,8%

Pesticides

8,5kg/km²

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

Protected areas2

IUCN II · 1IUCN V · 1

Tam Dao

IUCN II

National Park · 1996

306 km²

Tan Trao

IUCN V

Cultural and Historical Site · 2014

37 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations15