Ontologia

Ruisseau· 6 segments

Råtjejåhkå

Crosses 2 administrative regions : Gällivare, Jokkmokk

ruisseau

Total length

28km

Max discharge

1,2m³/s

Max Strahler

2

Segments matched

6

River geography2 admin regions · 0 communes

Parent watershed

hybas-2080139370405 km²

2 administrative regions crossed (GADM L2)

  • Gällivare
    Norrbotten · Sweden
    19.2 km
    in this dpt
  • Jokkmokk
    Norrbotten · Sweden
    12.6 km
    in this dpt

10 intersecting protected areas

  • Laponian Area

    IUCN Not Applicable

    World Heritage Site (natural or mixed)

  • Udtja

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Udtja

    IUCN Ib

    Natura 2000 SCI

  • 2001270 Udtja

    IUCN Ib

    Nature Reserve

  • 2001223 Muddus/Muttos

    IUCN II

    National Park

  • Muddus

    IUCN II

    Natura 2000 SCI

  • Muddus

    IUCN II

    Natura 2000 SPA

  • Muddus

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Muddus

    IUCN Not Reported

    Special Protection Area (Birds Directive)

1 more protected areas

  • SK 20-2010

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

99 distinct species · 148 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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 Råtjejåhkå : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 6.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
38
Connectance
0.064
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

28km

Max discharge

1,2m³/s

Max Strahler

2

Segments matched

6

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