Ontologia

Rivière· 15 segments

Narkån

Crosses 1 administrative regions : Pajala

rivière

Total length

67km

Max discharge

115,2m³/s

Max Strahler

5

Segments matched

15

River geography1 admin regions · 0 communes

Parent watershed

hybas-2080137480734 km²

1 administrative regions crossed (GADM L2)

  • Pajala
    Norrbotten · Sweden
    97.5 km
    in this dpt

15 intersecting protected areas

6 more protected areas

1 page = 1 named river (aggregation of 15 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

294 distinct species · 736 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 Narkån : 22 espèces reliées par 36 interactions GloBI sur 5 types (connectance 7.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
36
Connectance
0.077
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

67km

Max discharge

115,2m³/s

Max Strahler

5

Segments matched

15

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