Ontologia

District · VNM

Bắc Hà

Vietnam

CwaTemperate, dry winter, hot summer(94 %)

Species observed

191

Observations

368

Area

685,1km²

Ecological tissue

Sample of 38 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 Bắc Hà : 35 espèces reliées par 37 interactions GloBI sur 5 types (connectance 5.3%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
37
Connectance
0.053
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

191 distinct species · 368 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

368 obs · 12 cellules
Obs. / cellule
≥ 263
59–262
8–58
5–7
< 5

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

Climate

Mean T°

20,3°C

Annual rain

2 181mm

Warmest m°

27,4°C

Coldest m°

9,2°C

Elevation: 788 m on average (min 165 m, max 1 730 m)

Bioclimatic detailsExpert
Annual mean temp.
20,3°C
Annual rain
2 181mm
Warmest month
27,4°C
Coldest month
9,2°C
Mean alt.
788m
Min
165m
Max
1 730m
Std. dev.
384m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(94 %)Temperate

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

Soil & lithology

pH H₂O

5,6

Org. C

27,9g/kg

Clay

31,3%

Sand

31,5%

Silt

37,3%

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

Dominant lithology: pbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
41,0g/kg
Clay
30,1%
Sand
32,2%
Silt
37,7%
5–15 cm
pH H₂O
5,6
Org. C
25,9g/kg
Clay
30,1%
Sand
32,2%
Silt
37,7%
15–30 cm
pH H₂O
5,6
Org. C
16,8g/kg
Clay
33,6%
Sand
30,1%
Silt
36,3%

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

Land cover

Forest54.8%
Crops10.6%
Built-up0.1%
Bare soil0.7%
Other (grassland, water…)33.8%

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

Hydrology4 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

72,9km

Basins crossed

4

Max stream order

5

Max drainage

5 157km²

Discharge in basins

55,4m³/s

Mean precip.

1 705mm/an

Mean T°

21,1°C

Moisture idx

0,25

Mean runoff

1 101mm/an

Mean elev. (basins)

586m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

10,4%

Pesticides

8,8kg/km²

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

Sub-administrations20