Ontologia

Subdivision · BEL

Overijse

Belgium

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

Species observed

3 943

Observations

104 488

Area

49km²

Ecological tissue

Sample of 34 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 Overijse : 24 espèces reliées par 115 interactions GloBI sur 6 types (connectance 19.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
115
Connectance
0.193
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

3 943 distinct species · 104 488 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

104 488 obs · 2 cellules
Obs. / cellule
≥ 53 436
53 436–53 435
53 436–53 435
53 436–53 435
< 53 436

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

Climate

Mean T°

10,2°C

Annual rain

856mm

Warmest m°

22,1°C

Coldest m°

0,4°C

Elevation: 86 m on average (min 56 m, max 115 m)

Bioclimatic detailsExpert
Annual mean temp.
10,2°C
Annual rain
856mm
Warmest month
22,1°C
Coldest month
0,4°C
Mean alt.
86m
Min
56m
Max
115m
Std. dev.
13m
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

5,4

Org. C

22,6g/kg

Clay

21,4%

Sand

14,7%

Silt

63,9%

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
5,4
Org. C
29,6g/kg
Clay
20,1%
Sand
14,7%
Silt
65,2%
5–15 cm
pH H₂O
5,4
Org. C
22,0g/kg
Clay
21,6%
Sand
14,2%
Silt
64,2%
15–30 cm
pH H₂O
5,4
Org. C
16,3g/kg
Clay
22,5%
Sand
15,1%
Silt
62,5%

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

Land cover

Forest27.1%
Crops34.3%
Built-up3.7%
Bare soil0.6%
Other (grassland, water…)34.3%

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

Hydrology2 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

17,6km

Lake surface here

0,07km²

Basins crossed

2

Max stream order

3

Max drainage

1 169km²

Discharge in basins

0,6m³/s

Mean precip.

817mm/an

Mean T°

9,9°C

Moisture idx

0,07

Max snow

10%

Mean runoff

417mm/an

Mean elev. (basins)

99m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

3,0nW

Built-up

370,7%

Pesticides

66,8kg/km²

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

Protected areas21

IUCN IV · 8IUCN Not Reported · 7IUCN VI · 5IUCN Not Assigned · 1

Zoniënwoud

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2014

28 km²

De Dijlevallei

IUCN Not Assigned

Flemish Ecological Network (Flemish Region) · 2003

15 km²

Complete list

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