Ruisseau

Vackån

Crosses 3 administrative regions : Gnesta, Nykvarn, Södertälje

ruisseau

Total length

1km

Max discharge

0,6m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-20800317502541 km²

3 administrative regions crossed (GADM L2)

Nykvarn
Stockholm · Sweden
10.5 km
in this dpt
Södertälje
Stockholm · Sweden
7.6 km
in this dpt
Gnesta
Södermanland · Sweden
0.0 km
in this dpt

12 intersecting protected areas

Björkviksmossen
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
2002737 Björkviksmossens domänreservat
IUCN Ia
Nature Reserve
Björkviksmossen
IUCN Ia
Natura 2000 SCI
A010564
IUCN Not Applicable
Voluntary set-aside areas
SK 313-2015
IUCN IV
Nature conservation agreement, Swedish Forest Agency
A301073
IUCN Not Applicable
Voluntary set-aside areas
SK 495-2017
IUCN Ia
Habitat Protection Area
SK 228-2002
IUCN Ia
Habitat Protection Area
SK 226-2002
IUCN Ia
Habitat Protection Area

3 more protected areassorted by area

SK 484-2007
IUCN Ia
Habitat Protection Area
SK 126-1998
IUCN Ia
Habitat Protection Area
SK 227-2002
IUCN Ia
Habitat Protection Area

1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.

Species present

1 512 distinct species · 16 222 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 29 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Vackån : 22 espèces reliées par 70 interactions GloBI sur 5 types (connectance 16.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.161

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)