Vallée de l'Orneau
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2009
3 km²
Subdivision · BEL
Perwez
Belgium
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 236
Observations
8 932
Area
45,4km²
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 Perwez : 25 espèces reliées par 144 interactions GloBI sur 5 types (connectance 20.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
144
Connectance
0.205
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
1 236 distinct species · 8 932 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,9°C
Annual rain
869mm
Warmest m°
21,8°C
Coldest m°
0,0°C
Elevation: 148 m on average (min 135 m, max 163 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,9°C
Annual rain
869mm
Warmest month
21,8°C
Coldest month
0,0°C
Mean alt.
148m
Min
135m
Max
163m
Std. dev.
9m
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
6,6
Org. C
14,3g/kg
Clay
23,8%
Sand
10,5%
Silt
65,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Brabant Wallon
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
18,5g/kg
Clay
22,7%
Sand
10,8%
Silt
66,5%
5–15 cm
pH H₂O
6,7
Org. C
13,5g/kg
Clay
24,5%
Sand
10,0%
Silt
65,5%
15–30 cm
pH H₂O
6,7
Org. C
10,9g/kg
Clay
24,0%
Sand
10,6%
Silt
65,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest7.2%
Crops70.7%
Built-up1.5%
Bare soil1.1%
Other (grassland, water…)19.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
7,2km
Basins crossed
4
Max stream order
1
Max drainage
16 776km²
Discharge in basins
0,6m³/s
Mean precip.
819mm/an
Mean T°
9,8°C
Moisture idx
0,09
Max snow
10%
Mean runoff
384mm/an
Mean elev. (basins)
88m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,7nW
Built-up
149,8%
Pesticides
76,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Vallée de l'Orneau
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2009
3 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN