Vallées du Hoyoux et du Triffoy
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2016
13 km²
Subdivision · BEL
Marchin
Belgium
CfbTemperate, no dry season, warm summer(100 %)
Species observed
937
Observations
4 478
Area
23,3km²
Ecological tissue
Sample of 38 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 Marchin : 29 espèces reliées par 73 interactions GloBI sur 5 types (connectance 9.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
40
Interactions affichées
73
Connectance
0.094
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
937 distinct species · 4 478 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,5°C
Annual rain
951mm
Warmest m°
21,4°C
Coldest m°
-0,6°C
Elevation: 222 m on average (min 186 m, max 254 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,5°C
Annual rain
951mm
Warmest month
21,4°C
Coldest month
-0,6°C
Mean alt.
222m
Min
186m
Max
254m
Std. dev.
16m
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
6,2
Org. C
34,3g/kg
Clay
23,8%
Sand
11,7%
Silt
64,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Liège
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
57,8g/kg
Clay
23,3%
Sand
11,8%
Silt
64,8%
5–15 cm
pH H₂O
6,3
Org. C
28,9g/kg
Clay
24,2%
Sand
11,4%
Silt
64,5%
15–30 cm
pH H₂O
6,4
Org. C
16,3g/kg
Clay
23,9%
Sand
11,8%
Silt
64,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest28.6%
Crops42.4%
Built-up1.3%
Bare soil0.5%
Other (grassland, water…)27.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
12,1km
Basins crossed
1
Max stream order
2
Max drainage
16 776km²
Discharge in basins
3,6m³/s
Mean precip.
881mm/an
Mean T°
9,3°C
Moisture idx
0,17
Max snow
10%
Mean runoff
359mm/an
Mean elev. (basins)
189m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,0nW
Built-up
128,3%
Pesticides
76,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 2IUCN IV · 2
Vallées du Hoyoux et du Triffoy
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
13 km²
Carrière de State et Tienne aux Grives à Marchin
IUCN IVState Nature Reserve (Walloon Region) · 2016
0 km²
Chaffour
IUCN IVState Nature Reserve (Walloon Region) · 2016
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN