Ruisseau· 3 segments
Gopån
Crosses 2 administrative regions : Gävle, Ockelbo
Total length
5km
Max discharge
2,2m³/s
Max Strahler
2
Segments matched
3
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
4 intersecting protected areas
2020888 Skjortnäs västra
IUCN IaNature Reserve
2020889 Skjortnäs östra
IUCN IaNature Reserve
Viksjö
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Viksjö
IUCN Not AssignedNatura 2000 SCI
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
424 distinct species · 1 919 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Gopån : 21 espèces reliées par 74 interactions GloBI sur 6 types (connectance 13.2%, 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
5km
Max discharge
2,2m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.