Ruisseau· 4 segments
Sierning
Crosses 3 administrative regions : Melk, Neunkirchen, Sankt Pölten Land
Total length
40km
Max discharge
1,7m³/s
Max Strahler
3
Segments matched
4
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- NeunkirchenNiederösterreich · Austria9.3 kmin this dpt
- MelkNiederösterreich · Austria9.1 kmin this dpt
- Sankt Pölten LandNiederösterreich · Austria8.5 kmin this dpt
7 intersecting protected areas
Rax-Schneeberg
IUCN VLandscape Protection Area
Nordöstliche Randalpen: Hohe Wand - Schneeberg - Rax
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Niederösterreichische Alpenvorlandflüsse
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Sierningtal
IUCN VLandscape Protection Area
Johannisbachklamm
IUCN VLandscape Protection Area
Nature Park
Pielachtal
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
234 distinct species · 344 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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).
Indicateurs du tissu écologique
Tissu écologique de Sierning : 32 espèces reliées par 93 interactions GloBI sur 5 types (connectance 9.4%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
40km
Max discharge
1,7m³/s
Max Strahler
3
Segments matched
4
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.