Ontologia

Commune · VNM

A Roằng

Vietnam

AfTropical, rainforest(78 %)

Species observed

18

Observations

20

Area

57km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 3 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 A Roằng : 0 espèces reliées par 2 interactions GloBI sur 2 types (connectance 66.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
3
Interactions affichées
2
Connectance
0.667
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

18 distinct species · 20 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 obs · 1 cellules
Obs. / cellule
≥ 20
20–19
20–19
20–19
< 20

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

Climate

Mean T°

22,7°C

Annual rain

2 989mm

Warmest m°

29,5°C

Coldest m°

15,1°C

Elevation: 591 m on average (min 442 m, max 863 m)

Bioclimatic detailsExpert
Annual mean temp.
22,7°C
Annual rain
2 989mm
Warmest month
29,5°C
Coldest month
15,1°C
Mean alt.
591m
Min
442m
Max
863m
Std. dev.
88m
Köppen-Geiger (dominant)
AfTropical, rainforest(78 %)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

42,1g/kg

Clay

33,6%

Sand

37,8%

Silt

28,6%

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

Dominant lithology: smGLiMaggregated to A Lưới

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
58,4g/kg
Clay
31,7%
Sand
39,2%
Silt
29,0%
5–15 cm
pH H₂O
5,5
Org. C
39,8g/kg
Clay
33,0%
Sand
37,9%
Silt
29,1%
15–30 cm
pH H₂O
5,5
Org. C
28,0g/kg
Clay
36,0%
Sand
36,2%
Silt
27,8%

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

Land cover

Forest90.5%
Crops2.5%
Built-up0.2%
Bare soil0.1%
Other (grassland, water…)6.5%

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

Hydrology4 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

10,4km

Basins crossed

4

Max stream order

3

Max drainage

2 040km²

Discharge in basins

0,4m³/s

Mean precip.

2 485mm/an

Mean T°

24,5°C

Moisture idx

0,43

Mean runoff

1 625mm/an

Mean elev. (basins)

225m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

23,8%

Pesticides

11,4kg/km²

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

Protected areas2

IUCN VI · 1IUCN Not Reported · 1

Xe Xap

IUCN VI

National Protected Area · 1996

1 530 km²

Sao La

IUCN Not Reported

Nature Reserve · 2013

376 km²

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