Ontologia

Ruisseau· 2 segments

Bredängsån

Crosses 5 administrative regions : Alingsås, Essunga, Grästorp, Trollhättan, Vänersborg

ruisseau

Total length

9km

Max discharge

1,5m³/s

Max Strahler

2

Segments matched

2

River geography5 admin regions · 0 communes

Parent watershed

hybas-2080260440282 km²

5 administrative regions crossed (GADM L2)

  • Trollhättan
    Västra Götaland · Sweden
    21.3 km
    in this dpt
  • Essunga
    Västra Götaland · Sweden
    2.4 km
    in this dpt
  • Vänersborg
    Västra Götaland · Sweden
    0.2 km
    in this dpt
  • Alingsås
    Västra Götaland · Sweden
    0.0 km
    in this dpt
  • Grästorp
    Västra Götaland · Sweden
    0.0 km
    in this dpt

9 intersecting protected areas

  • SK 331-2007

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 1102-2005

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 1099-2005

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 1096-2005

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 1100-2005

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 1101-2005

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 1097-2005

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 1098-2005

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 1103-2005

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

976 distinct species · 4 744 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 45 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 Bredängsån : 27 espèces reliées par 105 interactions GloBI sur 6 types (connectance 10.1%, filtre Serrano α=0.2). 19 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
46
Interactions affichées
105
Connectance
0.101
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

9km

Max discharge

1,5m³/s

Max Strahler

2

Segments matched

2

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