Ontologia

City · VNM

Thành Phố Bắc Kạn

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

155

Observations

312

Area

137,1km²

Ecological tissue

Sample of 15 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 Thành Phố Bắc Kạn : 15 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 11 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2).

Espèces affichées
15
Interactions affichées
11
Connectance
0.105
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

155 distinct species · 312 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

312 obs · 3 cellules
Obs. / cellule
≥ 250
250–249
250–249
60–249
< 60

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

Climate

Mean T°

22,1°C

Annual rain

1 731mm

Warmest m°

29,9°C

Coldest m°

10,8°C

Elevation: 264 m on average (min 152 m, max 853 m)

Bioclimatic detailsExpert
Annual mean temp.
22,1°C
Annual rain
1 731mm
Warmest month
29,9°C
Coldest month
10,8°C
Mean alt.
264m
Min
152m
Max
853m
Std. dev.
121m
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

5,5

Org. C

27,2g/kg

Clay

34,4%

Sand

23,6%

Silt

42,0%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
40,7g/kg
Clay
33,6%
Sand
24,2%
Silt
42,2%
5–15 cm
pH H₂O
5,4
Org. C
24,6g/kg
Clay
33,7%
Sand
24,1%
Silt
42,1%
15–30 cm
pH H₂O
5,5
Org. C
16,2g/kg
Clay
36,0%
Sand
22,4%
Silt
41,7%

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

Land cover

Forest72.8%
Crops3.2%
Built-up1.3%
Bare soil0.4%
Other (grassland, water…)22.4%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

29,2km

Basins crossed

1

Max stream order

4

Max drainage

1 226km²

Discharge in basins

3,0m³/s

Mean precip.

1 696mm/an

Mean T°

21,5°C

Moisture idx

0,23

Mean runoff

741mm/an

Mean elev. (basins)

412m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

2hab/km²

Night light

0,8nW

Built-up

129,8%

Pesticides

8,9kg/km²

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

Sub-administrations3