Rivière· 17 segments
Lagan
Crosses 3 administrative regions : Jönköping, Vaggeryd, Värnamo
Total length
171km
Max discharge
21,2m³/s
Max Strahler
4
Segments matched
17
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
10 intersecting protected areas
Skillingarydsfältet
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Skillingarydsfältet
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Skillingarydsfältet
IUCN Not AssignedNatura 2000 SCI
Skillingarydsfältet
IUCN Not AssignedNatura 2000 SPA
2014384 Östermoskogen
IUCN IaNature Reserve
Södra Duveled
IUCN Not AssignedNatura 2000 SCI
Södra Duveled
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2004487 Norra Duveled
IUCN Not AssignedOthers
2003409 Trindö i Sandsjön
IUCN Not AssignedWildlife and Plant Sanctuary
1 more protected areassorted by area
SK 34-2017
IUCN IVNature conservation agreement, Swedish Forest Agency
1 page = 1 named river (aggregation of 17 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 473 distinct species · 150 435 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Lagan : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 4 types (connectance 13.8%, filtre Serrano α=0.2). 7 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
171km
Max discharge
21,2m³/s
Max Strahler
4
Segments matched
17
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.