Ruisseau
Råcksta å
Crosses 1 administrative regions : Strängnäs
Total length
6km
Max discharge
1,4m³/s
Max Strahler
3
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- SträngnäsSödermanland · Sweden11.5 kmin this dpt
3 intersecting protected areas
Gripsholms Hjorthage
IUCN IVNatura 2000 SCI
2001316 Gripsholms hjorthage
IUCN IVNature Reserve
Gripsholms Hjorthage
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 587 distinct species · 20 534 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Råcksta å : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 4 types (connectance 21.4%, filtre Serrano α=0.2). 9 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
6km
Max discharge
1,4m³/s
Max Strahler
3
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.