Ruisseau· 2 segments
Hallerudälven
Crosses 4 administrative regions : Aremark, Dals-Ed, Halden, Tanum
Total length
5km
Max discharge
1,7m³/s
Max Strahler
2
Segments matched
2
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
8 intersecting protected areas
Tresticklan-Boksjön
IUCN IINatura 2000 SCI
Tresticklan-Boksjön
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2001215 Tresticklan
IUCN IINational Park
Lundsneset
IUCN IaNature Reserve
Lundsneset
IUCN Not ReportedEmerald Network
2048658 Boksjön
IUCN IaNature Reserve
Tranemosen
IUCN IaNature Reserve
Tranemosen
IUCN Not ReportedEmerald Network
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
721 distinct species · 7 285 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Hallerudälven : 18 espèces reliées par 85 interactions GloBI sur 5 types (connectance 15.2%, filtre Serrano α=0.2). 16 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
5km
Max discharge
1,7m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.