Ontologia

Subdivision · BEL

Bilzen

Belgium

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

Species observed

4 726

Observations

152 618

Area

80km²

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 Bilzen : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 163 interactions GloBI sur 5 types (connectance 20.9%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
163
Connectance
0.209
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

4 726 distinct species · 152 618 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

152 618 obs · 3 cellules
Obs. / cellule
≥ 67 104
67 104–67 103
67 104–67 103
56 037–67 103
< 56 037

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

Climate

Mean T°

10,3°C

Annual rain

857mm

Warmest m°

22,5°C

Coldest m°

0,2°C

Elevation: 68 m on average (min 37 m, max 109 m)

Bioclimatic detailsExpert
Annual mean temp.
10,3°C
Annual rain
857mm
Warmest month
22,5°C
Coldest month
0,2°C
Mean alt.
68m
Min
37m
Max
109m
Std. dev.
20m
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

6,3

Org. C

22,6g/kg

Clay

19,8%

Sand

17,9%

Silt

62,3%

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

Dominant lithology: suGLiMaggregated to Limburg

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
32,8g/kg
Clay
20,1%
Sand
17,7%
Silt
62,2%
5–15 cm
pH H₂O
6,3
Org. C
22,9g/kg
Clay
19,7%
Sand
17,8%
Silt
62,5%
15–30 cm
pH H₂O
6,3
Org. C
12,2g/kg
Clay
19,7%
Sand
18,3%
Silt
62,1%

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

Land cover

Forest19.0%
Crops36.9%
Built-up4.0%
Bare soil0.8%
Other (grassland, water…)39.3%

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

Hydrology2 basins · 0 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

22,6km

Basins crossed

2

Max stream order

2

Max drainage

23 015km²

Discharge in basins

1,9m³/s

Mean precip.

816mm/an

Mean T°

9,7°C

Moisture idx

0,10

Max snow

10%

Mean runoff

377mm/an

Mean elev. (basins)

67m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

4,5nW

Built-up

402,1%

Pesticides

77,4kg/km²

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

Protected areas29

IUCN IV · 19IUCN VI · 4IUCN Not Assigned · 4IUCN Not Reported · 2
Complete list

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