Ontologia

Rivière· 50 segments

Otta

Crosses 5 administrative regions : Lom, Rendalen, Sel, Skjåk, Vågå

rivière

Total length

133km

Max discharge

91m³/s

Max Strahler

5

Segments matched

50

River geography5 admin regions · 0 communes

Parent watershed

hybas-2080205720196 km²

5 administrative regions crossed (GADM L2)

  • Skjåk
    Oppland · Norway
    77.3 km
    in this dpt
  • Lom
    Oppland · Norway
    48.0 km
    in this dpt
  • Vågå
    Oppland · Norway
    43.8 km
    in this dpt
  • Sel
    Oppland · Norway
    18.6 km
    in this dpt
  • Rendalen
    Hedmark · Norway
    13.5 km
    in this dpt

11 intersecting protected areas

2 more protected areas

1 page = 1 named river (aggregation of 50 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

650 distinct species · 1 824 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 31 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 Otta : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 4 types (connectance 14.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
74
Connectance
0.149
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

133km

Max discharge

91,0m³/s

Max Strahler

5

Segments matched

50

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