Ontologia

District · LAO

Viengthong

Laos

CwaTemperate, dry winter, hot summer(73 %)

Species observed

434

Observations

686

Area

4 449km²

Ecological tissue

Sample of 22 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 Viengthong : 20 espèces reliées par 17 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
17
Connectance
0.074
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

434 distinct species · 686 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

686 obs · 34 cellules
Obs. / cellule
≥ 134
68–133
17–67
5–16
< 5

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

Climate

Mean T°

21,1°C

Annual rain

2 505mm

Warmest m°

28,0°C

Coldest m°

11,2°C

Elevation: 723 m on average (min 240 m, max 1 681 m)

Bioclimatic detailsExpert
Annual mean temp.
21,1°C
Annual rain
2 505mm
Warmest month
28,0°C
Coldest month
11,2°C
Mean alt.
723m
Min
240m
Max
1 681m
Std. dev.
282m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(73 %)Temperate

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

Soil & lithology

pH H₂O

5,3

Org. C

26,5g/kg

Clay

28,6%

Sand

34,0%

Silt

37,4%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
36,3g/kg
Clay
26,9%
Sand
35,0%
Silt
38,1%
5–15 cm
pH H₂O
5,3
Org. C
25,9g/kg
Clay
28,4%
Sand
34,1%
Silt
37,5%
15–30 cm
pH H₂O
5,3
Org. C
17,2g/kg
Clay
30,5%
Sand
32,9%
Silt
36,6%

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

Land cover

Forest95.0%
Crops0.8%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)4.1%

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

Hydrology22 basins · 1 lakes · 29 rivers

Hydrology metrics for this exact territory

Stream length here

820,8km

Lake surface here

0,10km²

Basins crossed

22

Max stream order

6

Max drainage

14 807km²

Discharge in basins

551,5m³/s

Mean precip.

2 054mm/an

Mean T°

21,7°C

Moisture idx

0,29

Mean runoff

969mm/an

Mean elev. (basins)

746m

Watersheds crossing here

13 more basins

Lakes (1, top by area)

Rivers / streams (29, ord ≥ 4)

17 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

2,1%

Pesticides

0,2kg/km²

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

Protected areas4

IUCN Not Applicable · 1IUCN VI · 1IUCN Not Reported · 1IUCN II · 1

Western Nghe An

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 2007

12 990 km²

Nam Kading

IUCN VI

National Protected Area · 1993

1 687 km²

Pu Mat

IUCN II

National Park · 2001

971 km²

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