Ontologia

Rivière

Middelaarse Beek

Crosses 4 administrative regions : Amersfoort, Barneveld, Leusden, Nijkerk

rivière

Total length

3km

Max discharge

6,6m³/s

Max Strahler

4

Segments matched

1

River geography4 admin regions · 0 communes

Parent watershed

hybas-20800232601668 km²

4 administrative regions crossed (GADM L2)

  • Amersfoort
    Utrecht · Netherlands
    8.0 km
    in this dpt
  • Leusden
    Utrecht · Netherlands
    0.4 km
    in this dpt
  • Barneveld
    Gelderland · Netherlands
    0.0 km
    in this dpt
  • Nijkerk
    Gelderland · Netherlands
    0.0 km
    in this dpt

2 intersecting protected areas

  • NNN-GE

    IUCN Not Assigned

    Nature Reserves owned by professional nature management organizations

  • NNN-UT

    IUCN Not Assigned

    Nature Reserves owned by professional nature management organizations

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

Species present

2 937 distinct species · 135 732 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 46 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 Middelaarse Beek : 34 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 143 interactions GloBI sur 5 types (connectance 13.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
46
Interactions affichées
143
Connectance
0.138
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

3km

Max discharge

6,6m³/s

Max Strahler

4

Segments matched

1

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