Ontologia

Rivière· 4 segments

Fiskåna

Crosses 2 administrative regions : Nissedal, Åmli

rivière

Total length

12km

Max discharge

27,8m³/s

Max Strahler

4

Segments matched

4

River geography2 admin regions · 0 communes

Parent watershed

hybas-2080249210419 km²

2 administrative regions crossed (GADM L2)

  • Nissedal
    Telemark · Norway
    9.1 km
    in this dpt
  • Åmli
    Aust-Agder · Norway
    5.1 km
    in this dpt

1 intersecting protected areas

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

Species present

272 distinct species · 488 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 50 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 Fiskåna : 42 espèces reliées par 98 interactions GloBI sur 6 types (connectance 7.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
51
Interactions affichées
98
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

12km

Max discharge

27,8m³/s

Max Strahler

4

Segments matched

4

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