Rivière· 3 segments
Roßgraben
Crosses 6 administrative regions : Ansbach, Hartberg-Fürstenfeld, Liezen, Südoststeiermark, Weiz +1
Total length
27km
Max discharge
79,6m³/s
Max Strahler
4
Segments matched
3
River geography6 admin regions · 0 communes
6 administrative regions crossed (GADM L2)
- AnsbachBayern · Germany5.5 kmin this dpt
- Hartberg-FürstenfeldSteiermark · Austria5.1 kmin this dpt
- LiezenSteiermark · Austria4.9 kmin this dpt
- WeizSteiermark · Austria4.0 kmin this dpt
- SüdoststeiermarkSteiermark · Austria0.2 kmin this dpt
- Weißenburg-GunzenhausenBayern · Germany0.0 kmin this dpt
7 intersecting protected areas
Steirische Eisenwurzen
IUCN VNature Park
Wildalpener Salzatal
IUCN IVNature Reserve
Landscape Protection Area
Altmühltal mit Brunst-Schwaigau und Altmühlsee
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Obere Altmühl mit Brunst-Schwaigau und Wiesmet
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Nature Reserve
Kappelwasen
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 217 distinct species · 107 668 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Roßgraben : 22 espèces reliées par 18 interactions GloBI sur 4 types (connectance 6.0%, filtre Serrano α=0.2). 3 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
27km
Max discharge
79,6m³/s
Max Strahler
4
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.