Ontologia

Ruisseau· 4 segments

Bjurån

Crosses 2 administrative regions : Boden, Luleå

ruisseau

Total length

23km

Max discharge

1,4m³/s

Max Strahler

2

Segments matched

4

River geography2 admin regions · 0 communes

Parent watershed

hybas-20800302204428 km²

2 administrative regions crossed (GADM L2)

  • Luleå
    Norrbotten · Sweden
    29.8 km
    in this dpt
  • Boden
    Norrbotten · Sweden
    2.8 km
    in this dpt

8 intersecting protected areas

  • Råneälven

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Råneälven

    IUCN Not Assigned

    Natura 2000 SCI

  • 2044381 Mosterberget

    IUCN Ia

    Nature Reserve

  • A489733

    IUCN Not Applicable

    Voluntary set-aside areas

  • A490118

    IUCN Not Applicable

    Voluntary set-aside areas

  • A491218

    IUCN Not Applicable

    Voluntary set-aside areas

  • A068592

    IUCN Not Applicable

    Voluntary set-aside areas

  • A068710

    IUCN Not Applicable

    Voluntary set-aside areas

1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

279 distinct species · 452 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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 Bjurån : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 68 interactions GloBI sur 5 types (connectance 11.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
68
Connectance
0.114
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

23km

Max discharge

1,4m³/s

Max Strahler

2

Segments matched

4

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