Rivière· 5 segments
Helluvaðsá
Crosses 1 administrative regions : Skútustaðahreppur
Total length
3km
Max discharge
48,4m³/s
Max Strahler
5
Segments matched
5
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- SkútustaðahreppurNorðurland eystra · Iceland20.2 kmin this dpt
3 intersecting protected areas
Myvatn-Laxá region
IUCN VWetland of International Importance (Ramsar Site)
Mývatn-Laxá
IUCN Not ReportedEmerald Network
Mývatn
IUCN IVConservation Area
1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
120 distinct species · 159 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Helluvaðsá : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 3 types (connectance 13.8%, filtre Serrano α=0.2). 11 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
3km
Max discharge
48,4m³/s
Max Strahler
5
Segments matched
5
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.