Ruisseau· 3 segments
Imälven
Crosses 3 administrative regions : Karlskoga, Nora, Örebro
Total length
15km
Max discharge
1m³/s
Max Strahler
2
Segments matched
3
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
19 intersecting protected areas
Trangärdet
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Trangärdet
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2000200 Trangärdet
IUCN IaNature Reserve
Trangärdet
IUCN IaNatura 2000 SPA
Trangärdet
IUCN IaNatura 2000 SCI
Stora Stråsjön
IUCN Not AssignedAgreement between government agencies
2000265 Bullerdalen
IUCN IVNature Reserve
2059161 Imälvens ängar
IUCN IaNature Reserve
SK 319-2009
IUCN IVNature conservation agreement, Swedish Forest Agency
10 more protected areassorted by area
SK 894-2004
IUCN IVNature conservation agreement, Swedish Forest Agency
SK 351-2009
IUCN IaHabitat Protection Area
SK 348-2009
IUCN IaHabitat Protection Area
SK 433-2009
IUCN IVNature conservation agreement, Swedish Forest Agency
SK 36-1998
IUCN IaHabitat Protection Area
SK 434-2009
IUCN IVNature conservation agreement, Swedish Forest Agency
SK 350-2009
IUCN IaHabitat Protection Area
SK 349-2009
IUCN IaHabitat Protection Area
SK 35-1998
IUCN IaHabitat Protection Area
2045155 Utterbäck
IUCN Not AssignedOthers
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
404 distinct species · 2 198 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Imälven : 29 espèces reliées par 58 interactions GloBI sur 5 types (connectance 9.7%, filtre Serrano α=0.2). 6 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
15km
Max discharge
1,0m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.