Rivière· 2 segments
Grundgraben
Crosses 3 administrative regions : Neustadt an der Aisch-Bad Windsh, Schweinfurt, Würzburg
Total length
50km
Max discharge
95,4m³/s
Max Strahler
6
Segments matched
2
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- SchweinfurtBayern · Germany8.6 kmin this dpt
- Neustadt an der Aisch-Bad WindshBayern · Germany3.0 kmin this dpt
- WürzburgBayern · Germany0.0 kmin this dpt
14 intersecting protected areas
Landscape Protection Area
Volkacher Mainschleife
IUCN VLandscape Protection Area
Schweinfurter Becken und nördliches Steigerwaldvorland
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Maintal zwischen Schweinfurt und Dettelbach
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Mainaue zwischen Grafenrheinfeld und Kitzingen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Aischauen
IUCN VLandscape Protection Area
Nature Reserve
Nature Reserve
Garstadter Holz
IUCN IVNature Reserve
5 more protected areassorted by area
Landscape Protection Area
Vogelschutzgebiet Garstadt
IUCN IVNature Reserve
Nature Reserve
Mausohrkolonien in Steigerwald, Frankenhöhe und Windsheimer Bucht
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Mausohrwochenstuben im Maindreieck
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 348 distinct species · 11 701 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Grundgraben : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 113 interactions GloBI sur 3 types (connectance 16.1%, filtre Serrano α=0.2). 11 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
50km
Max discharge
95,4m³/s
Max Strahler
6
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.