Rivière· 3 segments
Leigracht
Crosses 2 administrative regions : Limburg, Vlaams Brabant
Total length
21km
Max discharge
23,6m³/s
Max Strahler
5
Segments matched
3
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Vlaams BrabantVlaanderen · Belgium5.4 kmin this dpt
- LimburgVlaanderen · Belgium0.2 kmin this dpt
15 intersecting protected areas
De Demervallei
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Demervallei
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Bossen en kalkgraslanden van Haspengouw
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
NBP-LI-19-0006 type 4
IUCN IVNature management plan type 4 (Flemish Region)
De Vallei van de Drie Beken
IUCN Not AssignedFlemish Ecological Network (Flemish Region)
De Midden- en benedenloop Zwarte Beek
IUCN Not AssignedFlemish Ecological Network (Flemish Region)
NBP-VB-20-0293 type 4
IUCN IVNature management plan type 4 (Flemish Region)
NBP-VB-18-0014 type 4
IUCN IVNature management plan type 4 (Flemish Region)
Webbekomsbroek-Borchbeemden
IUCN IVNature management plan type 4 (Flemish Region)
6 more protected areassorted by area
Het Rot- , Gorenbroek en Diesters Broek
IUCN Not AssignedFlemish Ecological Network (Flemish Region)
NBP-VB-21-0281 type 3
IUCN IVNature management plan type 3 (Flemish Region)
NBP-LI-22-0118 type 2
IUCN VINature management plan type 2 (Flemish Region)
Nature management plan type 2 (Flemish Region)
NBP-VB-21-0348 type 2
IUCN VINature management plan type 2 (Flemish Region)
NBP-VB-21-0281 type 4
IUCN IVNature management plan type 4 (Flemish Region)
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 553 distinct species · 79 285 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 Leigracht : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 140 interactions GloBI sur 5 types (connectance 23.5%, filtre Serrano α=0.2). 15 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
21km
Max discharge
23,6m³/s
Max Strahler
5
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.