Ontologia

Ruisseau

Råstaån

Crosses 5 administrative regions : Danderyd, Sollentuna, Solna, Stockholm, Sundbyberg

ruisseau

Total length

1km

Max discharge

0,2m³/s

Max Strahler

1

Segments matched

1

River geography5 admin regions · 0 communes

Parent watershed

hybas-2080031730322 km²

5 administrative regions crossed (GADM L2)

  • Solna
    Stockholm · Sweden
    5.5 km
    in this dpt
  • Stockholm
    Stockholm · Sweden
    3.3 km
    in this dpt
  • Sundbyberg
    Stockholm · Sweden
    2.5 km
    in this dpt
  • Danderyd
    Stockholm · Sweden
    0.0 km
    in this dpt
  • Sollentuna
    Stockholm · Sweden
    0.0 km
    in this dpt

7 intersecting protected areas

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

Species present

9 499 distinct species · 242 717 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 35 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

Indicateurs du tissu écologique

Tissu écologique de Råstaån : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 89 interactions GloBI sur 3 types (connectance 15.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
89
Connectance
0.150
Patrimoniales
2
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)

Total length

1km

Max discharge

0,2m³/s

Max Strahler

1

Segments matched

1

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.