Ontologia

Commune · VNM

Nà Hẩu

Vietnam

CwaTemperate, dry winter, hot summer(97 %)

Species observed

28

Observations

83

Area

56,7km²

Ecological tissue

Sample of 3 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 Nà Hẩu : 3 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).

Espèces affichées
3
Interactions affichées
2
Connectance
0.667
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

28 distinct species · 83 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

83 obs · 1 cellules
Obs. / cellule
≥ 83
83–82
83–82
83–82
< 83

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

Climate

Mean T°

20,4°C

Annual rain

2 691mm

Warmest m°

27,3°C

Coldest m°

10,1°C

Elevation: 737 m on average (min 336 m, max 1 423 m)

Bioclimatic detailsExpert
Annual mean temp.
20,4°C
Annual rain
2 691mm
Warmest month
27,3°C
Coldest month
10,1°C
Mean alt.
737m
Min
336m
Max
1 423m
Std. dev.
264m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(97 %)Temperate

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

Soil & lithology

pH H₂O

5,4

Org. C

30,4g/kg

Clay

31,1%

Sand

29,2%

Silt

39,7%

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

Dominant lithology: smGLiMaggregated to Văn Yên

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
45,6g/kg
Clay
29,3%
Sand
30,3%
Silt
40,4%
5–15 cm
pH H₂O
5,4
Org. C
28,0g/kg
Clay
29,9%
Sand
29,8%
Silt
40,3%
15–30 cm
pH H₂O
5,4
Org. C
17,6g/kg
Clay
34,0%
Sand
27,5%
Silt
38,5%

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

Land cover

Forest88.5%
Crops1.8%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)9.6%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,0km

Basins crossed

2

Max stream order

3

Max drainage

42 917km²

Discharge in basins

5,6m³/s

Mean precip.

1 683mm/an

Mean T°

19,1°C

Moisture idx

0,26

Mean runoff

765mm/an

Mean elev. (basins)

922m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Built-up

11,1%

Pesticides

8,8kg/km²

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

Protected areas1

IUCN Not Reported · 1

Na Hau

IUCN Not Reported

Nature Reserve · 2006

174 km²

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