Ontologia

Province · vnm

Hà Nam

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

195

Observations

471

Area

862,6km²

Ecological tissue

Sample of 33 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 Hà Nam : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 5 types (connectance 8.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
48
Connectance
0.086
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

195 distinct species · 471 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

471 obs · 20 cellules
Obs. / cellule
≥ 71
61–70
35–60
17–34
< 17

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 910mm

Warmest m°

32,6°C

Coldest m°

13,4°C

Elevation: 19 m on average (min 2 m, max 301 m)

Bioclimatic detailsExpert
Annual mean temp.
24,0°C
Annual rain
1 910mm
Warmest month
32,6°C
Coldest month
13,4°C
Mean alt.
19m
Min
2m
Max
301m
Std. dev.
46m
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

21,8g/kg

Clay

35,1%

Sand

25,5%

Silt

39,4%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
28,6g/kg
Clay
34,1%
Sand
26,0%
Silt
39,9%
5–15 cm
pH H₂O
6,0
Org. C
21,2g/kg
Clay
33,9%
Sand
26,0%
Silt
40,0%
15–30 cm
pH H₂O
6,1
Org. C
15,5g/kg
Clay
37,4%
Sand
24,4%
Silt
38,2%

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

Land cover

Forest15.4%
Crops43.8%
Built-up4.6%
Bare soil1.1%
Other (grassland, water…)35.1%

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

Hydrology3 basins · 3 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

137,4km

Lake surface here

1,16km²

Basins crossed

3

Max stream order

8

Max drainage

138 091km²

Discharge in basins

851,4m³/s

Mean precip.

1 714mm/an

Mean T°

24,0°C

Moisture idx

0,24

Mean runoff

925mm/an

Mean elev. (basins)

46m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

8hab/km²

Night light

3,1nW

Built-up

457,6%

Pesticides

9,1kg/km²

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

Protected areas1

IUCN V · 1

Huong Son

IUCN V

Cultural and Historical Site · 2013

38 km²

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

Sub-administrations6