Ontologia

Subdivision · BEL

Bertem

Belgium

CfbTemperate, no dry season, warm summer(100 %)

Species observed

2 320

Observations

156 408

Area

31,6km²

Ecological tissue

Sample of 39 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 Bertem : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 116 interactions GloBI sur 6 types (connectance 14.9%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
116
Connectance
0.149
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

2 320 distinct species · 156 408 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

156 408 obs · 1 cellules
Obs. / cellule
≥ 156 408
156 408–156 407
156 408–156 407
156 408–156 407
< 156 408

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

Climate

Mean T°

10,4°C

Annual rain

832mm

Warmest m°

22,3°C

Coldest m°

0,5°C

Elevation: 59 m on average (min 28 m, max 86 m)

Bioclimatic detailsExpert
Annual mean temp.
10,4°C
Annual rain
832mm
Warmest month
22,3°C
Coldest month
0,5°C
Mean alt.
59m
Min
28m
Max
86m
Std. dev.
14m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm 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

23,9g/kg

Clay

22,5%

Sand

20,9%

Silt

56,6%

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

Dominant lithology: suGLiMaggregated to Vlaams Brabant

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
32,1g/kg
Clay
21,8%
Sand
20,9%
Silt
57,2%
5–15 cm
pH H₂O
5,9
Org. C
23,1g/kg
Clay
22,4%
Sand
20,5%
Silt
57,1%
15–30 cm
pH H₂O
5,8
Org. C
16,5g/kg
Clay
23,2%
Sand
21,4%
Silt
55,5%

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

Land cover

Forest14.7%
Crops50.1%
Built-up2.1%
Bare soil1.3%
Other (grassland, water…)31.8%

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

Hydrology2 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

8,4km

Lake surface here

0,11km²

Basins crossed

2

Max stream order

4

Max drainage

3 611km²

Discharge in basins

0,6m³/s

Mean precip.

815mm/an

Mean T°

9,9°C

Moisture idx

0,07

Max snow

10%

Mean runoff

418mm/an

Mean elev. (basins)

94m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

4,2nW

Built-up

215,4%

Pesticides

74,8kg/km²

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

Protected areas16

IUCN IV · 9IUCN VI · 3IUCN Not Reported · 2IUCN Not Assigned · 2

De Dijlevallei

IUCN Not Assigned

Flemish Ecological Network (Flemish Region) · 2003

15 km²

De Dijlevallei

IUCN Not Reported

Special Protection Area (Birds Directive) · 1988

12 km²

Complete list

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