Ruisseau
Große Aa
Crosses 2 administrative regions : Hochsauerlandkreis, Paderborn
Total length
28km
Max discharge
0,5m³/s
Max Strahler
1
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- PaderbornNordrhein-Westfalen · Germany8.2 kmin this dpt
- HochsauerlandkreisNordrhein-Westfalen · Germany0.1 kmin this dpt
10 intersecting protected areas
Landscape Protection Area
Landscape Protection Area
Bredelar, Stadtwald Marsberg und Fürstenberger Wald
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Landscape Protection Area
Landscape Protection Area
LSG Alme- und Afteaue
IUCN VLandscape Protection Area
NSG Aabachtal
IUCN IVNature Reserve
Landscape Protection Area
NSG Waldbachtal
IUCN IVNature Reserve
1 more protected areassorted by area
NSG Grosse Aa
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
834 distinct species · 2 269 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Große Aa : 16 espèces reliées par 121 interactions GloBI sur 6 types (connectance 18.2%, filtre Serrano α=0.2). 21 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
28km
Max discharge
0,5m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.