Ruisseau
Hogarälven
Crosses 1 administrative regions : Tanum
Total length
4km
Max discharge
0,8m³/s
Max Strahler
2
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- TanumVästra Götaland · Sweden6.1 kmin this dpt
8 intersecting protected areas
Tanumskusten
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Tanumskusten
IUCN VNatura 2000 SCI
2000957 Tanumskusten
IUCN VNature Conservation Area
Galtö lera-Älgö lera
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Galtö lera-Älgö lera
IUCN VNatura 2000 SPA
2000370 Kragenäs
IUCN VNature Reserve
Kragenäs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Kragenäs
IUCN VNatura 2000 SCI
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 688 distinct species · 21 762 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Hogarälven : 13 espèces reliées par 89 interactions GloBI sur 4 types (connectance 27.4%, filtre Serrano α=0.2). 13 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
4km
Max discharge
0,8m³/s
Max Strahler
2
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.