Ontologia

Rivière· 34 segments

Numedalslågen

Crosses 7 administrative regions : Andebu, Flesberg, Kongsberg, Lardal, Larvik +2

rivière

Total length

103km

Max discharge

96,6m³/s

Max Strahler

4

Segments matched

34

River geography7 admin regions · 0 communes

Parent watershed

hybas-20800337305730 km²

7 administrative regions crossed (GADM L2)

  • Larvik
    Vestfold · Norway
    53.4 km
    in this dpt
  • Kongsberg
    Buskerud · Norway
    36.3 km
    in this dpt
  • Flesberg
    Buskerud · Norway
    10.4 km
    in this dpt
  • Nore og Uvdal
    Buskerud · Norway
    8.3 km
    in this dpt
  • Lardal
    Vestfold · Norway
    3.7 km
    in this dpt
  • Andebu
    Vestfold · Norway
    0.0 km
    in this dpt
  • Sandefjord
    Vestfold · Norway
    0.0 km
    in this dpt

7 intersecting protected areas

1 page = 1 named river (aggregation of 34 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

856 distinct species · 2 123 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 35 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 Numedalslågen : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 6 types (connectance 9.9%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
66
Connectance
0.099
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

103km

Max discharge

96,6m³/s

Max Strahler

4

Segments matched

34

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