Ontologia

Municipality|Prefecture · lao

Vientiane [prefecture]

Laos

AwTropical, savannah(92 %)

Species observed

1 799

Observations

70 836

Area

3 620,9km²

Ecological tissue

Sample of 31 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 Vientiane [prefecture] : 26 espèces reliées par 32 interactions GloBI sur 3 types (connectance 6.9%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
32
Connectance
0.069
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

1 799 distinct species · 70 836 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

70 836 obs · 85 cellules
Obs. / cellule
≥ 24 486
1 423–24 485
148–1 422
61–147
< 61

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

Climate

Mean T°

26,0°C

Annual rain

2 081mm

Warmest m°

33,2°C

Coldest m°

16,1°C

Elevation: 222 m on average (min 157 m, max 940 m)

Bioclimatic detailsExpert
Annual mean temp.
26,0°C
Annual rain
2 081mm
Warmest month
33,2°C
Coldest month
16,1°C
Mean alt.
222m
Min
157m
Max
940m
Std. dev.
104m
Köppen-Geiger (dominant)
AwTropical, savannah(92 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,5

Org. C

17,3g/kg

Clay

29,9%

Sand

34,3%

Silt

35,8%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
23,4g/kg
Clay
28,3%
Sand
35,4%
Silt
36,3%
5–15 cm
pH H₂O
5,5
Org. C
17,5g/kg
Clay
29,0%
Sand
34,8%
Silt
36,1%
15–30 cm
pH H₂O
5,5
Org. C
10,9g/kg
Clay
32,4%
Sand
32,7%
Silt
34,9%

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

Land cover

Forest43.3%
Crops25.8%
Built-up1.4%
Bare soil0.8%
Other (grassland, water…)28.7%

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

Hydrology16 basins · 11 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

486,5km

Lake surface here

25,13km²

Basins crossed

16

Max stream order

7

Max drainage

311 669km²

Discharge in basins

12 437,5m³/s

Mean precip.

1 854mm/an

Mean T°

25,3°C

Moisture idx

0,11

Mean runoff

1 031mm/an

Mean elev. (basins)

245m

Watersheds crossing here

7 more basins

Lakes (11, top by area)

2 more lakes

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

Human pressure

Pop. density

1hab/km²

Night light

1,5nW

Built-up

144,1%

Pesticides

0,5kg/km²

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

Protected areas2

IUCN VI · 2

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

Sub-administrations8