Ontologia

Ruisseau

Korsån

Crosses 3 administrative regions : Lilla Edet, Trollhättan, Uddevalla

ruisseau

Total length

1km

Max discharge

0,6m³/s

Max Strahler

1

Segments matched

1

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080260350702 km²

3 administrative regions crossed (GADM L2)

  • Lilla Edet
    Västra Götaland · Sweden
    5.5 km
    in this dpt
  • Uddevalla
    Västra Götaland · Sweden
    3.3 km
    in this dpt
  • Trollhättan
    Västra Götaland · Sweden
    0.4 km
    in this dpt

8 intersecting protected areas

  • SK 302-2003

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 847-2005

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 1045-2002

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 273-2007

    IUCN Ia

    Habitat Protection Area

  • SK 44-2018

    IUCN Ia

    Habitat Protection Area

  • SK 427-2006

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 429-2006

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 428-2006

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

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

Species present

1 079 distinct species · 6 873 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 31 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 Korsån : 26 espèces reliées par 78 interactions GloBI sur 4 types (connectance 13.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
78
Connectance
0.139
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

1km

Max discharge

0,6m³/s

Max Strahler

1

Segments matched

1

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