Ontologia

Ruisseau

Tyviksån

Crosses 2 administrative regions : Borås, Mark

ruisseau

Total length

4km

Max discharge

0,6m³/s

Max Strahler

1

Segments matched

1

River geography2 admin regions · 0 communes

Parent watershed

hybas-20800331902177 km²

2 administrative regions crossed (GADM L2)

  • Borås
    Västra Götaland · Sweden
    6.7 km
    in this dpt
  • Mark
    Västra Götaland · Sweden
    1.4 km
    in this dpt

11 intersecting protected areas

  • SK 126-2008

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 164-2011

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • 2025809 Lilla Granviksön

    IUCN Not Assigned

    Wildlife and Plant Sanctuary

  • Abborrås

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Abborrås

    IUCN Not Assigned

    Natura 2000 SCI

  • 2025728 Pinkö

    IUCN Not Assigned

    Wildlife and Plant Sanctuary

  • 2025487 Lomö

    IUCN Not Assigned

    Wildlife and Plant Sanctuary

  • SK 1043-2002

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 54-2004

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

2 more protected areas

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

Species present

1 086 distinct species · 5 290 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 30 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 Tyviksån : 21 espèces reliées par 58 interactions GloBI sur 6 types (connectance 13.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
58
Connectance
0.133
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

4km

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.