Vallée du Ruisseau de Bolland
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2016
1 km²
Subdivision · BEL
Belgium
Species observed
993
Observations
5 281
Area
27,7km²
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 Blegny : 13 espèces reliées par 168 interactions GloBI sur 5 types (connectance 23.9%, filtre Serrano α=0.2). 25 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
993 distinct species · 5 281 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
9,7°C
Annual rain
968mm
Warmest m°
21,7°C
Coldest m°
-0,3°C
Elevation: 173 m on average (min 61 m, max 242 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
5,9
Org. C
34,5g/kg
Clay
24,6%
Sand
18,1%
Silt
57,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Liège
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
6,5km
Basins crossed
1
Max stream order
1
Max drainage
23 015km²
Discharge in basins
2,9m³/s
Mean precip.
827mm/an
Mean T°
9,6°C
Moisture idx
0,12
Max snow
10%
Mean runoff
391mm/an
Mean elev. (basins)
102m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
3hab/km²
Night light
4,2nW
Built-up
334,2%
Pesticides
73,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Special Protection Area (Birds Directive) · 2016
1 km²
Special Areas of Conservation (Habitats Directive) · 2016
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN