Ontologia

Fleuve· 2 segments

Grenerarm

Crosses 2 administrative regions : Amstetten, Perg

fleuve

Total length

8km

Max discharge

1 739,9m³/s

Max Strahler

7

Segments matched

2

River geography2 admin regions · 0 communes

Parent watershed

hybas-20804769801861 km²

2 administrative regions crossed (GADM L2)

  • Amstetten
    Niederösterreich · Austria
    6.2 km
    in this dpt
  • Perg
    Oberösterreich · Austria
    0.0 km
    in this dpt

4 intersecting protected areas

  • Machland Süd

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Machland Süd

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Machland-Nord

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Hochau

    IUCN IV

    Nature Reserve

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

892 distinct species · 2 865 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 41 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 Grenerarm : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 91 interactions GloBI sur 4 types (connectance 11.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
91
Connectance
0.111
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

8km

Max discharge

1 739,9m³/s

Max Strahler

7

Segments matched

2

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