Ontologia

Province · vnm

Long An

Vietnam

AwTropical, savannah(100 %)

Species observed

366

Observations

1 010

Area

4 487,8km²

Ecological tissue

Sample of 41 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 Long An : 34 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 5 types (connectance 4.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
42
Connectance
0.046
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

366 distinct species · 1 010 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 010 obs · 64 cellules
Obs. / cellule
≥ 155
47–154
11–46
4–10
< 4

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

Climate

Mean T°

27,5°C

Annual rain

1 720mm

Warmest m°

34,2°C

Coldest m°

21,6°C

Elevation: 3 m on average (min -4 m, max 8 m)

Bioclimatic detailsExpert
Annual mean temp.
27,5°C
Annual rain
1 720mm
Warmest month
34,2°C
Coldest month
21,6°C
Mean alt.
3m
Min
-4m
Max
8m
Std. dev.
1m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

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

27,4g/kg

Clay

39,6%

Sand

20,3%

Silt

40,1%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
34,2g/kg
Clay
39,1%
Sand
20,5%
Silt
40,4%
5–15 cm
pH H₂O
5,9
Org. C
24,3g/kg
Clay
39,5%
Sand
20,2%
Silt
40,3%
15–30 cm
pH H₂O
5,9
Org. C
23,6g/kg
Clay
40,1%
Sand
20,1%
Silt
39,8%

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

Land cover

Forest13.8%
Crops58.6%
Built-up2.5%
Bare soil0.9%
Other (grassland, water…)24.1%

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

Hydrology18 basins · 1 lakes · 46 rivers

Hydrology metrics for this exact territory

Stream length here

749,8km

Lake surface here

0,18km²

Basins crossed

18

Max stream order

6

Max drainage

29 759km²

Discharge in basins

1 087,4m³/s

Mean precip.

1 573mm/an

Mean T°

27,5°C

Moisture idx

0,00

Mean runoff

873mm/an

Mean elev. (basins)

2m

Watersheds crossing here

9 more basins

Lakes (1, top by area)

Rivers / streams (46, ord ≥ 4)

34 more river segments

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

Human pressure

Pop. density

3hab/km²

Night light

6,1nW

Built-up

253,8%

Pesticides

22,7kg/km²

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

Protected areas3

IUCN Not Applicable · 1IUCN IV · 1IUCN Not Reported · 1🌊 Marine · 1

Lang Sen

IUCN Not Reported

Nature Reserve · 2004

18 km²

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

Sub-administrations54