Ruisseau· 2 segments
Trôs-Marèts
Crosses 1 administrative regions : Liège
Total length
6km
Max discharge
2m³/s
Max Strahler
2
Segments matched
2
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- LiègeWallonie · Belgium4.7 kmin this dpt
11 intersecting protected areas
Les Hautes Fagnes
IUCN IVWetland of International Importance (Ramsar Site)
Hautes Fagnes
IUCN IVState Nature Reserve (Walloon Region)
Fagnes de Stavelot et vallée de l'Eau Rouge
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Fagnes de Stavelot et vallée de l'Eau Rouge
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Fagnes de la Polleur et de Malmedy
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Fagnes de la Polleur et de Malmedy
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallées de la Warche et du Bayehon en aval du barrage de Robertville
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallées de la Warche et du Bayehon en aval du barrage de Robertville
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Foxhalles (Les)
IUCN VIForest Reserve (Walloon Region)
2 more protected areassorted by area
Nains (Grotte des )
IUCN IVState Nature Reserve (Walloon Region)
Trou Ozer
IUCN IVState Nature Reserve (Walloon Region)
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 519 distinct species · 7 200 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
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).
Indicateurs du tissu écologique
Tissu écologique de Trôs-Marèts : 16 espèces reliées par 110 interactions GloBI sur 5 types (connectance 18.5%, filtre Serrano α=0.2). 19 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
6km
Max discharge
2,0m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.