Ontologia

Ruisseau· 4 segments

Sagbekken

Crosses 3 administrative regions : Grane, Hattfjelldal, Vefsn

ruisseau

Total length

355km

Max discharge

15,9m³/s

Max Strahler

3

Segments matched

4

River geography3 admin regions · 0 communes

Parent watershed

hybas-20801542601006 km²

3 administrative regions crossed (GADM L2)

  • Grane
    Nordland · Norway
    8.2 km
    in this dpt
  • Vefsn
    Nordland · Norway
    5.3 km
    in this dpt
  • Hattfjelldal
    Nordland · Norway
    0.8 km
    in this dpt

4 intersecting protected areas

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

Species present

1 112 distinct species · 2 464 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 42 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 Sagbekken : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 53 interactions GloBI sur 3 types (connectance 6.2%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
53
Connectance
0.062
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

355km

Max discharge

15,9m³/s

Max Strahler

3

Segments matched

4

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