Rivière· 10 segments
Gigån
Crosses 1 administrative regions : Åsele
Total length
66km
Max discharge
15,3m³/s
Max Strahler
4
Segments matched
10
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- ÅseleVästerbotten · Sweden70.8 kmin this dpt
12 intersecting protected areas
Gigån
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Gigån
IUCN Not AssignedNatura 2000 SCI
Skalberget
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Skalberget
IUCN IaNatura 2000 SCI
2001659 Skalberget
IUCN IaNature Reserve
SK 817-2006
IUCN IVNature conservation agreement, Swedish Forest Agency
2045949 Djupsjöbrännan
IUCN IaNature Reserve
A259152
IUCN Not ApplicableVoluntary set-aside areas
A259076
IUCN Not ApplicableVoluntary set-aside areas
3 more protected areassorted by area
SK 594-2008
IUCN IVNature conservation agreement, Swedish Forest Agency
SK 82-2009
IUCN IVNature conservation agreement, Swedish Forest Agency
SK 51-2016
IUCN IVNature conservation agreement, Swedish Forest Agency
1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
316 distinct species · 1 066 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Gigån : 19 espèces reliées par 58 interactions GloBI sur 3 types (connectance 15.3%, filtre Serrano α=0.2). 9 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
66km
Max discharge
15,3m³/s
Max Strahler
4
Segments matched
10
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.