Rivière· 12 segments
Begna
Crosses 3 administrative regions : Etnedal, Ringerike, Sør-Aurdal
Total length
53km
Max discharge
74,3m³/s
Max Strahler
5
Segments matched
12
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- Sør-AurdalOppland · Norway28.0 kmin this dpt
- RingerikeBuskerud · Norway10.0 kmin this dpt
- EtnedalOppland · Norway0.0 kmin this dpt
2 intersecting protected areas
Selsjøen
IUCN IaNature Reserve
Moldberget
IUCN IaNature Reserve
1 page = 1 named river (aggregation of 12 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
156 distinct species · 220 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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).
Indicateurs du tissu écologique
Tissu écologique de Begna : 42 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 53 interactions GloBI sur 6 types (connectance 4.9%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
53km
Max discharge
74,3m³/s
Max Strahler
5
Segments matched
12
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.