Ontologia

Commune · VNM

Tự Lạn

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

14

Observations

14

Area

9,2km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 5 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 Tự Lạn : 5 espèces reliées par 4 interactions GloBI sur 1 type (connectance 40.0%, filtre Serrano α=0.2).

Espèces affichées
5
Interactions affichées
4
Connectance
0.400
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

14 distinct species · 14 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 obs · 1 cellules
Obs. / cellule
≥ 14
14–13
14–13
14–13
< 14

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

Climate

Mean T°

24,0°C

Annual rain

1 828mm

Warmest m°

32,3°C

Coldest m°

12,9°C

Elevation: 6 m on average (min 4 m, max 21 m)

Bioclimatic detailsExpert
Annual mean temp.
24,0°C
Annual rain
1 828mm
Warmest month
32,3°C
Coldest month
12,9°C
Mean alt.
6m
Min
4m
Max
21m
Std. dev.
1m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,2

Org. C

17,0g/kg

Clay

31,9%

Sand

31,2%

Silt

37,0%

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

Dominant lithology: suGLiMaggregated to Việt Yên

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
23,7g/kg
Clay
31,3%
Sand
32,0%
Silt
36,8%
5–15 cm
pH H₂O
6,2
Org. C
15,5g/kg
Clay
31,4%
Sand
31,2%
Silt
37,4%
15–30 cm
pH H₂O
6,2
Org. C
11,7g/kg
Clay
33,0%
Sand
30,3%
Silt
36,8%

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

Land cover

Forest7.5%
Crops43.0%
Built-up4.7%
Bare soil1.4%
Other (grassland, water…)43.4%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

3 099km²

Discharge in basins

0,2m³/s

Mean precip.

1 559mm/an

Mean T°

22,8°C

Moisture idx

0,16

Mean runoff

689mm/an

Mean elev. (basins)

152m

Watersheds crossing here

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

Human pressure

Pop. density

7hab/km²

Night light

2,6nW

Built-up

465,0%

Pesticides

8,4kg/km²

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