Ontologia

District · VNM

Vân Đồn

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

33

Observations

40

Area

554,1km²

Ecological tissue

Sample of 10 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 Vân Đồn : 10 espèces reliées par 8 interactions GloBI sur 2 types (connectance 17.8%, filtre Serrano α=0.2).

Espèces affichées
10
Interactions affichées
8
Connectance
0.178
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

33 distinct species · 40 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

40 obs · 7 cellules
Obs. / cellule
≥ 20
20–19
5–19
4–4
< 4

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

Climate

Mean T°

23,3°C

Annual rain

2 613mm

Warmest m°

29,2°C

Coldest m°

15,3°C

Elevation: 43 m on average (min -116 m, max 240 m)

Bioclimatic detailsExpert
Annual mean temp.
23,3°C
Annual rain
2 613mm
Warmest month
29,2°C
Coldest month
15,3°C
Mean alt.
43m
Min
-116m
Max
240m
Std. dev.
48m
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

37,3g/kg

Clay

35,4%

Sand

29,9%

Silt

34,7%

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
52,1g/kg
Clay
34,0%
Sand
30,8%
Silt
35,2%
5–15 cm
pH H₂O
5,6
Org. C
34,5g/kg
Clay
34,3%
Sand
30,4%
Silt
35,3%
15–30 cm
pH H₂O
5,7
Org. C
25,4g/kg
Clay
37,8%
Sand
28,4%
Silt
33,8%

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

Land cover

Forest56.5%
Crops5.2%
Built-up0.3%
Bare soil3.1%
Other (grassland, water…)34.9%

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

Hydrology2 basins · 3 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,3km

Lake surface here

0,74km²

Basins crossed

2

Max stream order

2

Max drainage

1 610km²

Discharge in basins

2,7m³/s

Mean precip.

2 181mm/an

Mean T°

23,3°C

Moisture idx

0,43

Mean runoff

1 130mm/an

Mean elev. (basins)

43m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,7nW

Built-up

32,5%

Pesticides

8,2kg/km²

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

Protected areas4

IUCN Not Reported · 3IUCN Not Applicable · 1🌊 Marine · 4

Ha Long Bay

IUCN Not Reported

Cultural and Historical Site · 1962

402 km²

Bai Tu Long

IUCN Not Reported

National Park · 2001

65 km²

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

Sub-administrations3