Zones nodales du parc national de la Vallée de la Semois
IUCN IINational park - core area · 2022
229 km²
Subdivision · BEL
Bertrix
Belgium
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 462
Observations
9 360
Area
150,5km²
Ecological tissue
Sample of 36 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 Bertrix : 30 espèces reliées par 84 interactions GloBI sur 4 types (connectance 13.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
84
Connectance
0.133
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
1 462 distinct species · 9 360 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,6°C
Annual rain
1 241mm
Warmest m°
20,6°C
Coldest m°
-1,6°C
Elevation: 397 m on average (min 273 m, max 463 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,6°C
Annual rain
1 241mm
Warmest month
20,6°C
Coldest month
-1,6°C
Mean alt.
397m
Min
273m
Max
463m
Std. dev.
44m
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
5,5
Org. C
50,9g/kg
Clay
26,5%
Sand
23,0%
Silt
50,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Luxembourg
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,4
Org. C
78,7g/kg
Clay
26,1%
Sand
22,7%
Silt
51,2%
5–15 cm
pH H₂O
5,5
Org. C
49,2g/kg
Clay
25,7%
Sand
22,9%
Silt
51,4%
15–30 cm
pH H₂O
5,5
Org. C
24,7g/kg
Clay
27,5%
Sand
23,5%
Silt
49,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest48.9%
Crops24.2%
Built-up0.7%
Bare soil0.2%
Other (grassland, water…)26.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
42,9km
Basins crossed
2
Max stream order
4
Max drainage
1 335km²
Discharge in basins
2,0m³/s
Mean precip.
1 056mm/an
Mean T°
8,5°C
Moisture idx
0,31
Max snow
15%
Mean runoff
401mm/an
Mean elev. (basins)
380m
Watersheds crossing here
Rivers / streams (10, ord ≥ 4)
- Ruisseau des Aleinesord 4len here14.81 km93%total16 km
- La Vierreord 3len here12.05 km41%total30 km
- La Semoisord 2len here4.00 km68%total6 km
- Ruisseau d'Aiseord 1len here3.92 km100%total4 km
- Ruisseau d'Offagneord 1len here2.31 km44%total5 km
- L'Ourord 2len here1.85 km34%total5 km
- la Semoisord 4len here1.39 km1%total103 km
- Ruisseau de Pont le Prêtreord 2len here1.28 km15%total8 km
- Ruisseau des Cruserellesord 2len here1.10 km18%total6 km
- Rau des Acensesord 4len here0.19 km2%total9 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,8nW
Built-up
71,4%
Pesticides
52,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas13
IUCN Not Reported · 8IUCN IV · 4IUCN II · 1
Bassin de la Semois de Florenville à Auby
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
54 km²
Bassin de la Semois de Florenville à Auby
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2016
54 km²
Bassin de la Semois du Maka à Bouillon
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2014
9 km²
Bassin de la Semois du Maka à Bouillon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
9 km²
Vallée du Ruisseau des Aleines
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2014
8 km²
Complete list13 protected areas
- Zones nodales du parc national de la Vallée de la SemoisNational park - core areaIUCN II2022229 km²
- Bassin de la Semois de Florenville à AubySpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201654 km²
- Bassin de la Semois de Florenville à AubySpecial Protection Area (Birds Directive)IUCN Not Reported201654 km²
- Bassin de la Semois du Maka à BouillonSpecial Protection Area (Birds Directive)IUCN Not Reported20149 km²
- Bassin de la Semois du Maka à BouillonSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20149 km²
- Vallée du Ruisseau des AleinesSpecial Protection Area (Birds Directive)IUCN Not Reported20148 km²
- Vallée du Ruisseau des AleinesSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20148 km²
- Haute-VierreSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20167 km²
- Haute-VierreSpecial Protection Area (Birds Directive)IUCN Not Reported20167 km²
- Vierre à Bertrix, Chiny et HerbeumontCertified Nature Reserve (Walloon Region)IUCN IV20100 km²
- Vallée de la Vierre et affluentsState Nature Reserve (Walloon Region)IUCN IV20200 km²
- Vallée d\'Aise et SuchampsState Nature Reserve (Walloon Region)IUCN IV20200 km²
- Ste Adèle à Fays-les-Veneurs (Ardoisière)State Nature Reserve (Walloon Region)IUCN IV19970 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN