Ruisseau· 5 segments

Hammarbyån

Crosses 2 administrative regions : Hofors, Sandviken

ruisseau

Total length

1km

Max discharge

6,6m³/s

Max Strahler

Segments matched

River geography2 admin regions · 0 communes

Parent watershed

hybas-20800314702011 km²

2 administrative regions crossed (GADM L2)

Sandviken
Gävleborg · Sweden
18.1 km
in this dpt
Hofors
Gävleborg · Sweden
10.8 km
in this dpt

11 intersecting protected areas

A207711
IUCN Not Applicable
Voluntary set-aside areas
SK 915-2003
IUCN Ia
Habitat Protection Area
SK 1071-2003
IUCN IV
Nature conservation agreement, Swedish Forest Agency
SK 190-2000
IUCN Ia
Habitat Protection Area
SK 914-2003
IUCN Ia
Habitat Protection Area
SK 960-2003
IUCN IV
Nature conservation agreement, Swedish Forest Agency
SK 958-2003
IUCN IV
Nature conservation agreement, Swedish Forest Agency
SK 239-1996
IUCN Ia
Habitat Protection Area
SK 959-2003
IUCN IV
Nature conservation agreement, Swedish Forest Agency

2 more protected areassorted by area

SK 1069-2003
IUCN IV
Nature conservation agreement, Swedish Forest Agency
SK 1070-2003
IUCN IV
Nature conservation agreement, Swedish Forest Agency

1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 058 distinct species · 7 310 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 30 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Hammarbyån : 20 espèces reliées par 96 interactions GloBI sur 4 types (connectance 22.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.221

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)