Rivière· 27 segments
Sanddøla - Sovvene
Crosses 3 administrative regions : Grong, Lierne, Snåsa
Total length
64km
Max discharge
48,2m³/s
Max Strahler
5
Segments matched
27
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
10 intersecting protected areas
Blåfjella - Skjækerfjella
IUCN Not ReportedEmerald Network
Blåfjella-Skjækerfjella
IUCN IINational Park
Sanddøldalen
IUCN IaNature Reserve
Storfloa
IUCN IaNature Reserve
Stormyra
IUCN IaNature Reserve
Rognsmoen
IUCN IaNature Reserve
Berglia
IUCN IaNature Reserve
Medjåurda
IUCN IaNature Reserve
Bjørgan
IUCN IaNature Reserve
1 more protected areassorted by area
Memorgotuva
IUCN IaNature Reserve
1 page = 1 named river (aggregation of 27 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
385 distinct species · 739 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Sanddøla - Sovvene : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 53 interactions GloBI sur 5 types (connectance 6.8%, filtre Serrano α=0.2). 10 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
64km
Max discharge
48,2m³/s
Max Strahler
5
Segments matched
27
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.