Rivière
Grande Marbaise
Crosses 2 administrative regions : Brabant Wallon, Vlaams Brabant
Total length
2km
Max discharge
7,7m³/s
Max Strahler
4
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Vlaams BrabantVlaanderen · Belgium1.5 kmin this dpt
- Brabant WallonWallonie · Belgium0.0 kmin this dpt
12 intersecting protected areas
Special Areas of Conservation (Habitats Directive)
Het Meerdaalwoud
IUCN Not AssignedFlemish Ecological Network (Flemish Region)
De Dijlevallei
IUCN Not AssignedFlemish Ecological Network (Flemish Region)
De Dijlevallei
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Dijle-, Laan- en Ijsevallei
IUCN IVNature management plan type 4 (Flemish Region)
NBP-VB-23-0011 type 4
IUCN IVNature management plan type 4 (Flemish Region)
NBP-VB-20-0013 type 2
IUCN VINature management plan type 2 (Flemish Region)
Vallée de la Dyle en aval d'Archennes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de la Dyle en aval d'Archennes
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3 more protected areassorted by area
NBP-VB-19-0014 type 3
IUCN IVNature management plan type 3 (Flemish Region)
NBP-VB-23-0011 type 3
IUCN IVNature management plan type 3 (Flemish Region)
NBP-VB-22-0198 type 2
IUCN VINature management plan type 2 (Flemish Region)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
3 485 distinct species · 247 238 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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).
Indicateurs du tissu écologique
Tissu écologique de Grande Marbaise : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 5 types (connectance 11.6%, filtre Serrano α=0.2). 12 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
2km
Max discharge
7,7m³/s
Max Strahler
4
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.