Ontologia

Commune · VNM

Tứ Hạ

Vietnam

AfTropical, rainforest(100 %)

Species observed

18

Observations

18

Area

8km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 7 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 Tứ Hạ : 7 espèces reliées par 4 interactions GloBI sur 3 types (connectance 19.0%, filtre Serrano α=0.2).

Espèces affichées
7
Interactions affichées
4
Connectance
0.191
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 · 18 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 obs · 1 cellules
Obs. / cellule
≥ 18
18–17
18–17
18–17
< 18

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

Climate

Mean T°

25,7°C

Annual rain

3 093mm

Warmest m°

32,2°C

Coldest m°

18,8°C

Elevation: 7 m on average (min 4 m, max 9 m)

Bioclimatic detailsExpert
Annual mean temp.
25,7°C
Annual rain
3 093mm
Warmest month
32,2°C
Coldest month
18,8°C
Mean alt.
7m
Min
4m
Max
9m
Std. dev.
2m
Köppen-Geiger (dominant)
AfTropical, rainforest(100 %)Tropical

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

Soil & lithology

pH H₂O

5,8

Org. C

40,7g/kg

Clay

31,1%

Sand

37,9%

Silt

31,0%

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

Dominant lithology: scGLiMaggregated to Hương Trà

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
53,7g/kg
Clay
29,4%
Sand
39,0%
Silt
31,7%
5–15 cm
pH H₂O
5,7
Org. C
39,3g/kg
Clay
30,3%
Sand
38,4%
Silt
31,2%
15–30 cm
pH H₂O
5,8
Org. C
29,1g/kg
Clay
33,7%
Sand
36,2%
Silt
30,1%

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

Land cover

Forest26.9%
Crops23.4%
Built-up7.1%
Bare soil0.5%
Other (grassland, water…)42.1%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,7km

Basins crossed

1

Max stream order

4

Max drainage

2 040km²

Discharge in basins

0,0m³/s

Mean precip.

2 483mm/an

Mean T°

24,5°C

Moisture idx

0,43

Mean runoff

1 609mm/an

Mean elev. (basins)

216m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

19hab/km²

Night light

4,5nW

Built-up

707,9%

Pesticides

13,3kg/km²

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