Ontologia

Fleuve· 16 segments

Lek

Crosses 11 administrative regions : Buren, Culemborg, Houten, IJsselstein, Krimpenerwaard +6

fleuve

Total length

62km

Max discharge

2 419,2m³/s

Max Strahler

7

Segments matched

16

River geography11 admin regions · 0 communes

Parent watershed

hybas-20803808001375 km²

11 administrative regions crossed (GADM L2)

11 intersecting protected areas

  • NNN-GE

    IUCN Not Assigned

    Nature Reserves owned by professional nature management organizations

  • NNN-ZH

    IUCN Not Assigned

    Nature Reserves owned by professional nature management organizations

  • NNN-UT

    IUCN Not Assigned

    Nature Reserves owned by professional nature management organizations

  • Rijntakken

    IUCN IV

    Nature Conservation Act

  • Rijntakken

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Boezems Kinderdijk

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Boezems Kinderdijk

    IUCN IV

    Nature Conservation Act

  • Zouweboezem

    IUCN IV

    Nature Conservation Act

  • Zouweboezem

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

2 more protected areas

1 page = 1 named river (aggregation of 16 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

3 200 distinct species · 241 379 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 28 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 Lek : 21 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 5 types (connectance 19.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
78
Connectance
0.192
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

62km

Max discharge

2 419,2m³/s

Max Strahler

7

Segments matched

16

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.