Ontologia

Ruisseau· 5 segments

Udtjabäcken

Crosses 2 administrative regions : Arjeplog, Jokkmokk

ruisseau

Total length

23km

Max discharge

1,5m³/s

Max Strahler

2

Segments matched

5

River geography2 admin regions · 0 communes

Parent watershed

hybas-20801459304371 km²

2 administrative regions crossed (GADM L2)

  • Jokkmokk
    Norrbotten · Sweden
    12.3 km
    in this dpt
  • Arjeplog
    Norrbotten · Sweden
    11.6 km
    in this dpt

11 intersecting protected areas

  • Udtja

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Udtja

    IUCN Ib

    Natura 2000 SCI

  • 2001270 Udtja

    IUCN Ib

    Nature Reserve

  • Piteälven

    IUCN Not Assigned

    Natura 2000 SCI

  • Piteälven

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • 1073687236

    IUCN Not Applicable

    Voluntary set-aside areas

  • 1073687348

    IUCN Not Applicable

    Voluntary set-aside areas

  • 1073680714

    IUCN Not Applicable

    Voluntary set-aside areas

  • 1073680738

    IUCN Not Applicable

    Voluntary set-aside areas

2 more protected areas

  • 1073689032

    IUCN Not Applicable

    Voluntary set-aside areas

  • 1073690209

    IUCN Not Applicable

    Voluntary set-aside areas

1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

120 distinct species · 144 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 20 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 Udtjabäcken : 18 espèces reliées par 15 interactions GloBI sur 1 type (connectance 7.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
15
Connectance
0.079
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

23km

Max discharge

1,5m³/s

Max Strahler

2

Segments matched

5

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