Zones nodales du parc national de la Vallée de la Semois
IUCN IINational park - core area · 2022
229 km²
Subdivision · BEL
Bièvre
Belgium
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 694
Observations
11 140
Area
114,1km²
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 Bièvre : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 118 interactions GloBI sur 5 types (connectance 16.8%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
118
Connectance
0.168
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
1 694 distinct species · 11 140 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,7°C
Annual rain
1 225mm
Warmest m°
20,6°C
Coldest m°
-1,3°C
Elevation: 376 m on average (min 222 m, max 423 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,7°C
Annual rain
1 225mm
Warmest month
20,6°C
Coldest month
-1,3°C
Mean alt.
376m
Min
222m
Max
423m
Std. dev.
31m
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
5,3
Org. C
60,8g/kg
Clay
25,9%
Sand
19,5%
Silt
54,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Namur
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,2
Org. C
95,9g/kg
Clay
25,5%
Sand
19,5%
Silt
55,1%
5–15 cm
pH H₂O
5,3
Org. C
61,6g/kg
Clay
25,2%
Sand
19,4%
Silt
55,4%
15–30 cm
pH H₂O
5,3
Org. C
24,8g/kg
Clay
27,1%
Sand
19,5%
Silt
53,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest56.5%
Crops21.0%
Built-up0.5%
Bare soil0.2%
Other (grassland, water…)21.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
25,2km
Basins crossed
3
Max stream order
4
Max drainage
10 700km²
Discharge in basins
1,7m³/s
Mean precip.
1 029mm/an
Mean T°
8,6°C
Moisture idx
0,29
Max snow
15%
Mean runoff
390mm/an
Mean elev. (basins)
356m
Watersheds crossing here
Rivers / streams (8, ord ≥ 4)
- L'Almacheord 2len here9.33 km50%total18 km
- Ruisseau de Piernôyeord 1len here6.15 km100%total6 km
- Ruisseau de Gros Faysord 1len here4.36 km100%total4 km
- la Semoisord 4len here2.76 km3%total103 km
- Ruisseau de Fresnesord 1len here0.88 km23%total4 km
- Ruisseau du Rux au Moulinord 2len here0.86 km55%total2 km
- Ry d'Ordenneord 1len here0.42 km8%total5 km
- Ruisseau d'Orchimontord 2len here0.39 km12%total3 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
46,4%
Pesticides
11,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas15
IUCN Not Reported · 10IUCN IV · 3IUCN II · 1IUCN VI · 1
Vallée de la Semois en aval d'Alle
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2016
18 km²
Vallée de la Semois en aval d'Alle
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
18 km²
Bassin de la Semois de Bouillon à Alle
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
17 km²
Bassin de la Semois de Bouillon à Alle
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2016
17 km²
Vallée de l'Almache en amont de Gembes
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2016
13 km²
Complete list15 protected areas
- Zones nodales du parc national de la Vallée de la SemoisNational park - core areaIUCN II2022229 km²
- Vallée de la Semois en aval d'AlleSpecial Protection Area (Birds Directive)IUCN Not Reported201618 km²
- Vallée de la Semois en aval d'AlleSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201618 km²
- Bassin de la Semois de Bouillon à AlleSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201617 km²
- Bassin de la Semois de Bouillon à AlleSpecial Protection Area (Birds Directive)IUCN Not Reported201617 km²
- Vallée de l'Almache en amont de GembesSpecial Protection Area (Birds Directive)IUCN Not Reported201613 km²
- Vallée de l'Almache en amont de GembesSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201613 km²
- Bassin du Ruisseau du Ru au MoulinSpecial Protection Area (Birds Directive)IUCN Not Reported20155 km²
- Bassin du Ruisseau du Ru au MoulinSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20155 km²
- Vallée du Ruisseau de Gros FaysSpecial Protection Area (Birds Directive)IUCN Not Reported20141 km²
- Vallée du Ruisseau de Gros FaysSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20141 km²
- Vresse-sur- SemoisForest Reserve (Walloon Region)IUCN VI20011 km²
- RodaCertified Nature Reserve (Walloon Region)IUCN IV19950 km²
- GoutelleCertified Nature Reserve (Walloon Region)IUCN IV20190 km²
- GraideCertified Nature Reserve (Walloon Region)IUCN IV19950 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN