Ontologia

Ruisseau

Utnorsån

Crosses 3 administrative regions : Flen, Gnesta, Nyköping

ruisseau

Total length

0km

Max discharge

0,3m³/s

Max Strahler

2

Segments matched

1

River geography3 admin regions · 0 communes

Parent watershed

hybas-20800319003892 km²

3 administrative regions crossed (GADM L2)

  • Nyköping
    Södermanland · Sweden
    2.6 km
    in this dpt
  • Flen
    Södermanland · Sweden
    1.1 km
    in this dpt
  • Gnesta
    Södermanland · Sweden
    0.0 km
    in this dpt

28 intersecting protected areas

  • Båven

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Båven

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Båven

    IUCN Not Assigned

    Natura 2000 SCI

  • Båven

    IUCN Not Assigned

    Natura 2000 SPA

  • Båvenöarna

    IUCN Ia

    Natura 2000 SCI

  • Båvenöarna

    IUCN Ia

    Natura 2000 SPA

  • Båvenöarna

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Båvenöarna

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • 2001881 Båvenöarna

    IUCN Ia

    Nature Reserve

19 more protected areas

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

Species present

1 421 distinct species · 11 436 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 24 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 Utnorsån : 22 espèces reliées par 38 interactions GloBI sur 4 types (connectance 13.8%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
38
Connectance
0.138
Patrimoniales
0
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

0km

Max discharge

0,3m³/s

Max Strahler

2

Segments matched

1

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