Ontologia

Rivière· 10 segments

Unnan

Crosses 1 administrative regions : Orsa

rivière

Total length

45km

Max discharge

22,8m³/s

Max Strahler

4

Segments matched

10

River geography1 admin regions · 0 communes

Parent watershed

hybas-2080217130395 km²

1 administrative regions crossed (GADM L2)

  • Orsa
    Dalarna · Sweden
    45.5 km
    in this dpt

10 intersecting protected areas

  • 68E1g1042

    IUCN Not Applicable

    Voluntary set-aside areas

  • SK 432-2012

    IUCN Ia

    Habitat Protection Area

  • 68E1g1448

    IUCN Not Applicable

    Voluntary set-aside areas

  • SK 337-2019

    IUCN Ia

    Habitat Protection Area

  • 68E1g1252

    IUCN Not Applicable

    Voluntary set-aside areas

  • 68E1g0441

    IUCN Not Applicable

    Voluntary set-aside areas

  • 68E1g1746

    IUCN Not Applicable

    Voluntary set-aside areas

  • 68E1g1452

    IUCN Not Applicable

    Voluntary set-aside areas

  • SK 41-2002

    IUCN Ia

    Habitat Protection Area

1 more protected areas

  • 68E1g1648

    IUCN Not Applicable

    Voluntary set-aside areas

1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

419 distinct species · 2 090 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 Unnan : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 4 types (connectance 9.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
40
Connectance
0.092
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

45km

Max discharge

22,8m³/s

Max Strahler

4

Segments matched

10

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