Ontologia

Subdivision · BEL

Olen

Belgium

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

Species observed

3 217

Observations

121 232

Area

21,8km²

Ecological tissue

Sample of 37 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 Olen : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 102 interactions GloBI sur 5 types (connectance 15.3%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
102
Connectance
0.153
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

3 217 distinct species · 121 232 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

121 232 obs · 1 cellules
Obs. / cellule
≥ 121 232
121 232–121 231
121 232–121 231
121 232–121 231
< 121 232

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

Climate

Mean T°

10,5°C

Annual rain

862mm

Warmest m°

22,5°C

Coldest m°

0,6°C

Elevation: 19 m on average (min 12 m, max 23 m)

Bioclimatic detailsExpert
Annual mean temp.
10,5°C
Annual rain
862mm
Warmest month
22,5°C
Coldest month
0,6°C
Mean alt.
19m
Min
12m
Max
23m
Std. dev.
3m
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

4,9

Org. C

40,1g/kg

Clay

10,1%

Sand

75,9%

Silt

14,1%

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

Dominant lithology: suGLiMaggregated to Antwerpen

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,7
Org. C
60,5g/kg
Clay
13,7%
Sand
71,7%
Silt
14,6%
5–15 cm
pH H₂O
5,1
Org. C
32,1g/kg
Clay
7,6%
Sand
77,0%
Silt
15,4%
15–30 cm
pH H₂O
5,1
Org. C
27,8g/kg
Clay
8,9%
Sand
78,9%
Silt
12,2%

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

Land cover

Forest31.1%
Crops13.9%
Built-up7.0%
Bare soil0.7%
Other (grassland, water…)47.4%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,1km

Basins crossed

1

Max stream order

3

Max drainage

1 676km²

Discharge in basins

0,3m³/s

Mean precip.

794mm/an

Mean T°

9,8°C

Moisture idx

0,09

Max snow

12%

Mean runoff

431mm/an

Mean elev. (basins)

21m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

3hab/km²

Night light

10,4nW

Built-up

699,6%

Pesticides

83,5kg/km²

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

Protected areas9

IUCN IV · 4IUCN VI · 3IUCN Not Reported · 1IUCN Not Assigned · 1
Complete list

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