Ontologia

Rivière

Zijkolk

⚠ Partial coverage : only 1 named segment matched so far. The real rivière extends much further (Strahler order 5 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.

Crosses 3 administrative regions : Dalfsen, Zwartewaterland, Zwolle

rivière

Max discharge

55,7m³/s

Max Strahler

5

Segments matched

1

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080360930490 km²

3 administrative regions crossed (GADM L2)

  • Zwolle
    Overijssel · Netherlands
    8.8 km
    in this dpt
  • Dalfsen
    Overijssel · Netherlands
    7.0 km
    in this dpt
  • Zwartewaterland
    Overijssel · Netherlands
    0.2 km
    in this dpt

4 intersecting protected areas

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

Species present

1 861 distinct species · 37 856 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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 Zijkolk : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 5 bulles famille, 63 interactions GloBI documentées sur 5 types (connectance 11.2%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
34
Interactions affichées
63
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)

Matched len.

1,3km

Max discharge

55,7m³/s

Max Strahler

5

Segments matched

1

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