Ontologia

Ruisseau

Juån

Crosses 2 administrative regions : Ljusdal, Ånge

ruisseau

Total length

15km

Max discharge

1,5m³/s

Max Strahler

3

Segments matched

1

River geography2 admin regions · 0 communes

Parent watershed

hybas-20801966502517 km²

2 administrative regions crossed (GADM L2)

  • Ånge
    Västernorrland · Sweden
    17.1 km
    in this dpt
  • Ljusdal
    Gävleborg · Sweden
    4.7 km
    in this dpt

3 intersecting protected areas

  • A238727

    IUCN Not Applicable

    Voluntary set-aside areas

  • Juån

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Juån

    IUCN Not Assigned

    Natura 2000 SCI

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

Species present

576 distinct species · 2 909 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 Juån : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 4 types (connectance 7.7%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
38
Connectance
0.077
Patrimoniales
1
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

15km

Max discharge

1,5m³/s

Max Strahler

3

Segments matched

1

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