Ontologia

Ruisseau

Achter

Crosses 4 administrative regions : Alblasserdam, Hendrik-Ido-Ambacht, Molenlanden, Ridderkerk

ruisseau

Total length

3km

Max discharge

0,9m³/s

Max Strahler

1

Segments matched

1

River geography4 admin regions · 0 communes

Parent watershed

hybas-20803808001375 km²

4 administrative regions crossed (GADM L2)

3 intersecting protected areas

  • NNN-ZH

    IUCN Not Assigned

    Nature Reserves owned by professional nature management organizations

  • Boezems Kinderdijk

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Boezems Kinderdijk

    IUCN IV

    Nature Conservation Act

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

Species present

2 825 distinct species · 126 237 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 40 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 Achter : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 7 bulles famille, 89 interactions GloBI documentées sur 5 types (connectance 11.4%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
40
Interactions affichées
89
Connectance
0.114
Patrimoniales
1
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

0,9m³/s

Max Strahler

1

Segments matched

1

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