Ontologia

Ruisseau

Naardertrekvaart

Crosses 3 administrative regions : Gooise Meren, IJsselmeer, Weesp

ruisseau

Total length

7km

Max discharge

0,2m³/s

Max Strahler

1

Segments matched

1

River geography3 admin regions · 0 communes

Parent watershed

hybas-208002325023 km²

3 administrative regions crossed (GADM L2)

  • Gooise Meren
    Noord-Holland · Netherlands
    3.5 km
    in this dpt
  • IJsselmeer
    IJsselmeer · Netherlands
    0.0 km
    in this dpt
  • Weesp
    Noord-Holland · Netherlands
    0.0 km
    in this dpt

10 intersecting protected areas

  • Markermeer & IJmeer

    IUCN IV

    Nature Conservation Act

  • Markermeer & IJmeer

    IUCN II

    Wetland of International Importance (Ramsar Site)

  • Markermeer & IJmeer

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • NNN-NH

    IUCN Not Assigned

    Nature Reserves owned by professional nature management organizations

  • IJmeer

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

  • Naardermeer

    IUCN IV

    Wetland of International Importance (Ramsar Site)

  • Naardermeer

    IUCN IV

    Nature Conservation Act

  • Naardermeer

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Naardermeer

    IUCN Not Reported

    Special Protection Area (Birds Directive)

1 more protected areas

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

Species present

3 980 distinct species · 135 685 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 38 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 Naardertrekvaart : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 5 types (connectance 11.2%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
79
Connectance
0.112
Patrimoniales
2
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

7km

Max discharge

0,2m³/s

Max Strahler

1

Segments matched

1

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