Ontologia

Ruisseau

Van Ewijcksvaart

Crosses 1 administrative regions : Hollands Kroon

ruisseau

Total length

8km

Max discharge

0,6m³/s

Max Strahler

1

Segments matched

1

River geography1 admin regions · 0 communes

Parent watershed

hybas-20800230501905 km²

1 administrative regions crossed (GADM L2)

6 intersecting protected areas

  • Wadden Sea

    IUCN Not Applicable

    World Heritage Site (natural or mixed)

  • Waddenzee

    IUCN IV

    Nature Conservation Act

  • Waddenzee

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Wadden Sea

    IUCN IV

    Wetland of International Importance (Ramsar Site)

  • Waddenzee

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • NNN-NH

    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

2 103 distinct species · 40 992 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 43 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 Van Ewijcksvaart : 39 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 85 interactions GloBI sur 5 types (connectance 9.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
85
Connectance
0.094
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

8km

Max discharge

0,6m³/s

Max Strahler

1

Segments matched

1

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