Ontologia

District · VNM

Sông Lô

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

37

Observations

80

Area

150,4km²

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 Sông Lô : 13 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 10 interactions GloBI sur 1 type (connectance 9.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
15
Interactions affichées
10
Connectance
0.095
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

37 distinct species · 80 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

80 obs · 4 cellules
Obs. / cellule
≥ 57
57–56
20–56
20–19
< 20

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 765mm

Warmest m°

31,7°C

Coldest m°

13,3°C

Elevation: 63 m on average (min 13 m, max 445 m)

Bioclimatic detailsExpert
Annual mean temp.
24,0°C
Annual rain
1 765mm
Warmest month
31,7°C
Coldest month
13,3°C
Mean alt.
63m
Min
13m
Max
445m
Std. dev.
88m
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

5,8

Org. C

21,8g/kg

Clay

33,1%

Sand

29,1%

Silt

37,8%

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

Dominant lithology: pbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
29,4g/kg
Clay
33,4%
Sand
29,5%
Silt
37,1%
5–15 cm
pH H₂O
5,9
Org. C
21,7g/kg
Clay
32,5%
Sand
29,3%
Silt
38,2%
15–30 cm
pH H₂O
5,9
Org. C
14,5g/kg
Clay
33,5%
Sand
28,3%
Silt
38,2%

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

Land cover

Forest43.3%
Crops22.3%
Built-up2.4%
Bare soil2.0%
Other (grassland, water…)30.0%

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

Hydrology2 basins · 3 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

30,6km

Lake surface here

0,64km²

Basins crossed

2

Max stream order

7

Max drainage

34 809km²

Discharge in basins

220,5m³/s

Mean precip.

1 688mm/an

Mean T°

22,9°C

Moisture idx

0,21

Mean runoff

872mm/an

Mean elev. (basins)

64m

Watersheds crossing here

Lakes (3, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

5hab/km²

Night light

0,6nW

Built-up

241,0%

Pesticides

8,2kg/km²

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

Sub-administrations11