Ruisseau· 7 segments
Bocholter Aa
Crosses 1 administrative regions : Borken
Total length
42km
Max discharge
3,6m³/s
Max Strahler
3
Segments matched
7
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- BorkenNordrhein-Westfalen · Germany38.4 kmin this dpt
19 intersecting protected areas
Landscape Protection Area
Landscape Protection Area
LSG Weseker Geest
IUCN VLandscape Protection Area
Landscape Protection Area
LSG Weseker Mark
IUCN VLandscape Protection Area
LSG Hoxfeld
IUCN VLandscape Protection Area
Landscape Protection Area
Landscape Protection Area
LSG Bocholter Aa
IUCN VLandscape Protection Area
10 more protected areassorted by area
Landscape Protection Area
Landscape Protection Area
LSG Holtbachtal
IUCN VLandscape Protection Area
Nature Reserve
LSG Schoenstatt Aue
IUCN VLandscape Protection Area
LSG Rindelfortsbach
IUCN VLandscape Protection Area
LSG Honselbach
IUCN VLandscape Protection Area
LSG Ruempingbach
IUCN VLandscape Protection Area
NSG Versunken Bokelt
IUCN IVNature Reserve
NSG Hohenhorster Berge
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
732 distinct species · 3 045 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 Bocholter Aa : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 125 interactions GloBI sur 5 types (connectance 12.1%, filtre Serrano α=0.2). 16 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
42km
Max discharge
3,6m³/s
Max Strahler
3
Segments matched
7
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.