Ruisseau
Laan - Lasne
Crosses 2 administrative regions : Brabant Wallon, Vlaams Brabant
Total length
10km
Max discharge
1,9m³/s
Max Strahler
3
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Vlaams BrabantVlaanderen · Belgium8.9 kmin this dpt
- Brabant WallonWallonie · Belgium3.3 kmin this dpt
16 intersecting protected areas
Special Areas of Conservation (Habitats Directive)
De Dijlevallei
IUCN Not AssignedFlemish Ecological Network (Flemish Region)
De Dijlevallei
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallées de l'Argentine et de la Lasne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallées de l'Argentine et de la Lasne
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Dijle-, Laan- en Ijsevallei
IUCN IVNature management plan type 4 (Flemish Region)
Vallée de la Lasne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de la Lasne
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallée de la Dyle en aval d'Archennes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
7 more protected areassorted by area
Vallée de la Dyle en aval d'Archennes
IUCN Not ReportedSpecial Protection Area (Birds Directive)
NBP-VB-19-0014 type 3
IUCN IVNature management plan type 3 (Flemish Region)
NBP-VB-19-0014 type 2
IUCN VINature management plan type 2 (Flemish Region)
NBP-VB-21-0325 type 4
IUCN IVNature management plan type 4 (Flemish Region)
Mommaertsbos
IUCN IVNature management plan type 3 (Flemish Region)
NBP-VB-18-0044 type 2
IUCN VINature management plan type 2 (Flemish Region)
Confluent
IUCN IVCertified Nature Reserve (Walloon Region)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
2 027 distinct species · 30 761 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Laan - Lasne : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 132 interactions GloBI sur 6 types (connectance 14.6%, filtre Serrano α=0.2). 13 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
10km
Max discharge
1,9m³/s
Max Strahler
3
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.