Ontologia

District · VNM

Hàm Tân

Vietnam

AwTropical, savannah(92 %)

Species observed

94

Observations

185

Area

741,9km²

Ecological tissue

Sample of 28 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 Hàm Tân : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 21 interactions GloBI sur 3 types (connectance 5.6%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
21
Connectance
0.056
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

94 distinct species · 185 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

185 obs · 12 cellules
Obs. / cellule
≥ 71
70–70
5–69
4–4
< 4

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

Climate

Mean T°

26,3°C

Annual rain

1 984mm

Warmest m°

31,4°C

Coldest m°

21,0°C

Elevation: 98 m on average (min -3 m, max 642 m)

Bioclimatic detailsExpert
Annual mean temp.
26,3°C
Annual rain
1 984mm
Warmest month
31,4°C
Coldest month
21,0°C
Mean alt.
98m
Min
-3m
Max
642m
Std. dev.
107m
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

5,9

Org. C

23,9g/kg

Clay

35,2%

Sand

31,2%

Silt

33,6%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
32,5g/kg
Clay
33,5%
Sand
31,9%
Silt
34,6%
5–15 cm
pH H₂O
5,9
Org. C
22,9g/kg
Clay
34,6%
Sand
31,5%
Silt
33,8%
15–30 cm
pH H₂O
5,9
Org. C
16,4g/kg
Clay
37,5%
Sand
30,0%
Silt
32,5%

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

Land cover

Forest45.0%
Crops24.8%
Built-up0.7%
Bare soil1.2%
Other (grassland, water…)28.3%

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

Hydrology4 basins · 1 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

115,3km

Lake surface here

0,31km²

Basins crossed

4

Max stream order

4

Max drainage

827km²

Discharge in basins

15,9m³/s

Mean precip.

1 882mm/an

Mean T°

26,1°C

Moisture idx

0,21

Mean runoff

1 039mm/an

Mean elev. (basins)

98m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

6,3nW

Built-up

71,4%

Pesticides

23,8kg/km²

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

Sub-administrations8