De Demervallei ten westen van Aarschot
IUCN Not AssignedFlemish Ecological Network (Flemish Region) · 2003
11 km²
Subdivision · BEL
Belgium
Species observed
2 658
Observations
33 081
Area
20,9km²
Sample of 32 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).
Tissu écologique de Tremelo : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 120 interactions GloBI sur 5 types (connectance 24.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
2 658 distinct species · 33 081 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
10,6°C
Annual rain
825mm
Warmest m°
22,6°C
Coldest m°
0,7°C
Elevation: 11 m on average (min 8 m, max 13 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
5,4
Org. C
31,9g/kg
Clay
21,9%
Sand
48,2%
Silt
30,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Vlaams Brabant
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
1,8km
Basins crossed
3
Max stream order
5
Max drainage
3 611km²
Discharge in basins
2,2m³/s
Mean precip.
787mm/an
Mean T°
10,1°C
Moisture idx
0,05
Max snow
12%
Mean runoff
426mm/an
Mean elev. (basins)
22m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
4hab/km²
Night light
3,0nW
Built-up
626,5%
Pesticides
80,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Flemish Ecological Network (Flemish Region) · 2003
11 km²
Flemish Ecological Network (Flemish Region) · 2003
4 km²
Nature management plan type 4 (Flemish Region) · 2023
1 km²
Nature management plan type 4 (Flemish Region) · 2022
0 km²
Nature management plan type 4 (Flemish Region) · 2023
0 km²
Nature management plan type 3 (Flemish Region) · 2023
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN