Rivière· 3 segments
Perlbach
Crosses 4 administrative regions : Cham, Deggendorf, Regensburg, Straubing-Bogen
Total length
37km
Max discharge
490,5m³/s
Max Strahler
6
Segments matched
3
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- ChamBayern · Germany14.9 kmin this dpt
- RegensburgBayern · Germany5.0 kmin this dpt
- DeggendorfBayern · Germany4.7 kmin this dpt
- Straubing-BogenBayern · Germany0.0 kmin this dpt
11 intersecting protected areas
LSG "Bayerischer Wald"
IUCN VLandscape Protection Area
Oberer Bayerischer Wald
IUCN VLandscape Protection Area
Landscape Protection Area
Donau zwischen Straubing und Vilshofen
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Donauauen zwischen Straubing und Vilshofen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Landscape Protection Area
Donau zwischen Regensburg und Straubing
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Donau und Altwässer zwischen Regensburg und Straubing
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Trockenhänge am Donaurandbruch
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2 more protected areassorted by area
Deggendorfer Himmelreich
IUCN IVNature Reserve
Schloßpark Falkenstein
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
744 distinct species · 6 325 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Perlbach : 19 espèces reliées par 51 interactions GloBI sur 4 types (connectance 17.0%, filtre Serrano α=0.2). 6 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
37km
Max discharge
490,5m³/s
Max Strahler
6
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.