Ontologia

Commune · VNM

Gia Vân

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

339

Observations

8 029

Area

10,4km²

Ecological tissue

Sample of 29 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 Gia Vân : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 3 types (connectance 9.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
42
Connectance
0.097
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

339 distinct species · 8 029 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 029 obs · 1 cellules
Obs. / cellule
≥ 8 029
8 029–8 028
8 029–8 028
8 029–8 028
< 8 029

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 870mm

Warmest m°

32,6°C

Coldest m°

13,4°C

Elevation: 18 m on average (min 3 m, max 58 m)

Bioclimatic detailsExpert
Annual mean temp.
23,9°C
Annual rain
1 870mm
Warmest month
32,6°C
Coldest month
13,4°C
Mean alt.
18m
Min
3m
Max
58m
Std. dev.
24m
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

5,9

Org. C

25,3g/kg

Clay

34,3%

Sand

27,8%

Silt

37,9%

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

Dominant lithology: smGLiMaggregated to Gia Viễn

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
32,1g/kg
Clay
32,8%
Sand
28,7%
Silt
38,5%
5–15 cm
pH H₂O
5,9
Org. C
26,5g/kg
Clay
32,9%
Sand
28,5%
Silt
38,6%
15–30 cm
pH H₂O
6,0
Org. C
17,4g/kg
Clay
37,4%
Sand
26,1%
Silt
36,6%

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

Land cover

Forest21.0%
Crops46.7%
Built-up2.9%
Bare soil1.3%
Other (grassland, water…)28.1%

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

5 752km²

Discharge in basins

0,3m³/s

Mean precip.

1 729mm/an

Mean T°

23,8°C

Moisture idx

0,24

Mean runoff

950mm/an

Mean elev. (basins)

65m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Night light

2,0nW

Built-up

287,1%

Pesticides

9,4kg/km²

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

Protected areas2

IUCN Not Reported · 1IUCN IV · 1

Van Long

IUCN Not Reported

Nature Reserve · 2001

34 km²

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