Ontologia

District · VNM

Đại Từ

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

1 237

Observations

14 470

Area

566,8km²

Ecological tissue

Sample of 14 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 Đại Từ : 9 espèces reliées par 14 interactions GloBI sur 3 types (connectance 15.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
14
Connectance
0.154
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

1 237 distinct species · 14 470 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 470 obs · 12 cellules
Obs. / cellule
≥ 14 178
114–14 177
22–113
10–21
< 10

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

Climate

Mean T°

22,9°C

Annual rain

2 264mm

Warmest m°

30,7°C

Coldest m°

12,1°C

Elevation: 208 m on average (min 37 m, max 1 269 m)

Bioclimatic detailsExpert
Annual mean temp.
22,9°C
Annual rain
2 264mm
Warmest month
30,7°C
Coldest month
12,1°C
Mean alt.
208m
Min
37m
Max
1 269m
Std. dev.
223m
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

5,6

Org. C

25,3g/kg

Clay

34,2%

Sand

26,2%

Silt

39,6%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
34,0g/kg
Clay
33,7%
Sand
27,2%
Silt
39,1%
5–15 cm
pH H₂O
5,6
Org. C
24,8g/kg
Clay
33,6%
Sand
26,4%
Silt
40,0%
15–30 cm
pH H₂O
5,6
Org. C
17,0g/kg
Clay
35,3%
Sand
25,1%
Silt
39,6%

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

Land cover

Forest55.8%
Crops14.4%
Built-up1.5%
Bare soil1.6%
Other (grassland, water…)26.6%

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

Hydrology5 basins · 4 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

69,6km

Lake surface here

9,68km²

Basins crossed

5

Max stream order

4

Max drainage

2 811km²

Discharge in basins

33,9m³/s

Mean precip.

1 823mm/an

Mean T°

22,8°C

Moisture idx

0,27

Mean runoff

857mm/an

Mean elev. (basins)

142m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,3nW

Built-up

154,2%

Pesticides

9,1kg/km²

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

Protected areas2

IUCN II · 1IUCN V · 1

Tam Dao

IUCN II

National Park · 1996

306 km²

Nui Coc

IUCN V

Cultural and Historical Site · 2014

90 km²

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

Sub-administrations16