Ontologia

City · VNM

Nam Định

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

18

Observations

22

Area

46,4km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 4 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 Nam Định : 4 espèces reliées par 3 interactions GloBI sur 2 types (connectance 50.0%, filtre Serrano α=0.2).

Espèces affichées
4
Interactions affichées
3
Connectance
0.500
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 · 22 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

22 obs · 1 cellules
Obs. / cellule
≥ 22
22–21
22–21
22–21
< 22

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

Climate

Mean T°

24,3°C

Annual rain

1 905mm

Warmest m°

32,6°C

Coldest m°

14,0°C

Elevation: 3 m on average (min 2 m, max 6 m)

Bioclimatic detailsExpert
Annual mean temp.
24,3°C
Annual rain
1 905mm
Warmest month
32,6°C
Coldest month
14,0°C
Mean alt.
3m
Min
2m
Max
6m
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

6,0

Org. C

25,5g/kg

Clay

34,2%

Sand

29,7%

Silt

36,1%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
32,7g/kg
Clay
32,3%
Sand
30,5%
Silt
37,2%
5–15 cm
pH H₂O
5,9
Org. C
25,0g/kg
Clay
32,7%
Sand
30,4%
Silt
36,8%
15–30 cm
pH H₂O
6,0
Org. C
18,7g/kg
Clay
37,6%
Sand
28,2%
Silt
34,2%

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

Land cover

Forest3.7%
Crops18.5%
Built-up15.0%
Bare soil0.3%
Other (grassland, water…)62.5%

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

Hydrology3 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

10,9km

Basins crossed

3

Max stream order

8

Max drainage

138 856km²

Discharge in basins

160,7m³/s

Mean precip.

1 707mm/an

Mean T°

24,1°C

Moisture idx

0,25

Mean runoff

928mm/an

Mean elev. (basins)

29m

Watersheds crossing here

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

Human pressure

Pop. density

44hab/km²

Night light

13,8nW

Built-up

1 497,7%

Pesticides

8,2kg/km²

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

Sub-administrations13