Ruisseau· 2 segments
Bällstaån
Crosses 4 administrative regions : Järfälla, Solna, Stockholm, Sundbyberg
Total length
5km
Max discharge
0,5m³/s
Max Strahler
2
Segments matched
2
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- StockholmStockholm · Sweden10.1 kmin this dpt
- JärfällaStockholm · Sweden3.9 kmin this dpt
- SolnaStockholm · Sweden1.8 kmin this dpt
- SundbybergStockholm · Sweden0.7 kmin this dpt
2 intersecting protected areas
2005613 Igelbäcken i Stockholm
IUCN Not AssignedOthers
2059281 Ålsta hage
IUCN Not AssignedOthers
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
5 148 distinct species · 267 296 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Bällstaån : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 76 interactions GloBI sur 3 types (connectance 13.5%, filtre Serrano α=0.2). 8 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
5km
Max discharge
0,5m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.