Ontologia

Rivière· 34 segments

Gimån

Crosses 3 administrative regions : Bräcke, Sundsvall, Ånge

rivière

Total length

107km

Max discharge

58,2m³/s

Max Strahler

4

Segments matched

34

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080192110646 km²

3 administrative regions crossed (GADM L2)

  • Bräcke
    Jämtland · Sweden
    129.0 km
    in this dpt
  • Ånge
    Västernorrland · Sweden
    35.6 km
    in this dpt
  • Sundsvall
    Västernorrland · Sweden
    9.8 km
    in this dpt

30 intersecting protected areas

21 more protected areas

  • Djupdalsbäcken

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • n/a.

    IUCN IV

    Nature conservation agreement, County Administrative Board

  • Storselbodarna

    IUCN Not Assigned

    Natura 2000 SCI

  • Storselbodarna

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • SK 510-2015

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • n/a.

    IUCN IV

    Nature conservation agreement, County Administrative Board

  • 2049979 Mellgårdsbackarna

    IUCN Ia

    Nature Reserve

  • SK 34-2018

    IUCN Ia

    Habitat Protection Area

  • SK 7-2017

    IUCN Ia

    Habitat Protection Area

  • n/a.

    IUCN IV

    Nature conservation agreement, County Administrative Board

  • SK 100-2004

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 293-2016

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 440-2005

    IUCN Ia

    Habitat Protection Area

  • SK 135-2001

    IUCN Ia

    Habitat Protection Area

  • SK 391-2011

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • Båthällan

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Båthällan

    IUCN Not Assigned

    Natura 2000 SCI

  • 2000909 Båthällan

    IUCN Not Assigned

    Nature Reserve

  • 2000910 Svedjan

    IUCN Not Assigned

    Nature Reserve

  • Svedjan

    IUCN Not Assigned

    Natura 2000 SCI

  • Svedjan

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

1 page = 1 named river (aggregation of 34 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

697 distinct species · 2 886 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 42 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 Gimån : 31 espèces reliées par 65 interactions GloBI sur 5 types (connectance 7.5%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
65
Connectance
0.075
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

107km

Max discharge

58,2m³/s

Max Strahler

4

Segments matched

34

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