Ontologia

Rivière· 52 segments

Svartån

Crosses 7 administrative regions : Degerfors, Laxå, Lekeberg, Norberg, Sala +2

rivière

Total length

493km

Max discharge

13,3m³/s

Max Strahler

4

Segments matched

52

River geography7 admin regions · 0 communes

Parent watershed

hybas-2080245060887 km²

7 administrative regions crossed (GADM L2)

  • Lekeberg
    Orebro · Sweden
    52.1 km
    in this dpt
  • Sala
    Västmanland · Sweden
    50.3 km
    in this dpt
  • Västerås
    Västmanland · Sweden
    44.3 km
    in this dpt
  • Örebro
    Orebro · Sweden
    42.0 km
    in this dpt
  • Laxå
    Orebro · Sweden
    29.3 km
    in this dpt
  • Degerfors
    Orebro · Sweden
    17.3 km
    in this dpt
  • Norberg
    Västmanland · Sweden
    14.1 km
    in this dpt

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 52 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 409 distinct species · 40 028 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

Indicateurs du tissu écologique

Tissu écologique de Svartån : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 54 interactions GloBI sur 4 types (connectance 13.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
54
Connectance
0.133
Patrimoniales
1
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

493km

Max discharge

13,3m³/s

Max Strahler

4

Segments matched

52

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