Ontologia

Ruisseau· 7 segments

Ängraån

Crosses 2 administrative regions : Härjedalen, Ljusdal

ruisseau

Total length

25km

Max discharge

1,4m³/s

Max Strahler

2

Segments matched

7

River geography2 admin regions · 0 communes

Parent watershed

hybas-20802062201663 km²

2 administrative regions crossed (GADM L2)

  • Ljusdal
    Gävleborg · Sweden
    19.1 km
    in this dpt
  • Härjedalen
    Jämtland · Sweden
    6.1 km
    in this dpt

20 intersecting protected areas

11 more protected areas

  • A350992

    IUCN Not Applicable

    Voluntary set-aside areas

  • A017362

    IUCN Not Applicable

    Voluntary set-aside areas

  • A625884

    IUCN Not Applicable

    Voluntary set-aside areas

  • A526993

    IUCN Not Applicable

    Voluntary set-aside areas

  • A587116

    IUCN Not Applicable

    Voluntary set-aside areas

  • A574421

    IUCN Not Applicable

    Voluntary set-aside areas

  • A643818

    IUCN Not Applicable

    Voluntary set-aside areas

  • A573485

    IUCN Not Applicable

    Voluntary set-aside areas

  • A604361

    IUCN Not Applicable

    Voluntary set-aside areas

  • A401132

    IUCN Not Applicable

    Voluntary set-aside areas

  • SK 220-2001

    IUCN Ia

    Habitat Protection Area

1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

392 distinct species · 1 721 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 39 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 Ängraån : 31 espèces reliées par 40 interactions GloBI sur 6 types (connectance 5.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
40
Connectance
0.054
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

25km

Max discharge

1,4m³/s

Max Strahler

2

Segments matched

7

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