Rivière· 11 segments

Örsundaån

Crosses 3 administrative regions : Enköping, Heby, Uppsala

rivière

Total length

67km

Max discharge

5,1m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-20802375501163 km²

3 administrative regions crossed (GADM L2)

Enköping
Uppsala · Sweden
36.6 km
in this dpt
Heby
Västmanland · Sweden
24.5 km
in this dpt
Uppsala
Uppsala · Sweden
0.0 km
in this dpt

19 intersecting protected areas

2002827 Bruskebo
IUCN Ia
Nature Reserve
2002621 Hårsbäcksdalen
IUCN Ia
Nature Reserve
Hårsbäcksdalen
IUCN Ia
Natura 2000 SCI
Hårsbäcksdalen
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
2005529 Signalberget
IUCN Ia
Nature Reserve
Fiskmansbo
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Fiskmansbo
IUCN Not Assigned
Natura 2000 SCI
SK 857-2003
IUCN IV
Nature conservation agreement, Swedish Forest Agency
SK 858-2003
IUCN IV
Nature conservation agreement, Swedish Forest Agency

10 more protected areassorted by area

SK 859-2003
IUCN IV
Nature conservation agreement, Swedish Forest Agency
Uvberget
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Uvberget
IUCN Not Assigned
Natura 2000 SCI
2002629 Uvberget
IUCN Not Assigned
Nature Reserve
SK 1118-2002
IUCN IV
Nature conservation agreement, Swedish Forest Agency
SK 146-2006
IUCN Ia
Habitat Protection Area
SK 148-2006
IUCN Ia
Habitat Protection Area
SK 240-2001
IUCN Ia
Habitat Protection Area
SK 317-1995
IUCN Ia
Habitat Protection Area
SK 497-2007
IUCN Ia
Habitat Protection Area

1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 235 distinct species · 13 338 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 32 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 Örsundaån : 23 espèces reliées par 105 interactions GloBI sur 6 types (connectance 19.9%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

105

Connectance

0.199

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)