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Location Iceland, Rangárvallasýsla
Central coordinates 20o 2.00' West  63o 36.00' North
IBA criteria B3
Area 10,500 ha
Altitude 2 - 40m
Year of IBA assessment 2000

Fuglavernd - BirdLife Iceland (Partner Designate)

Site description A glacial outwash plain formed by the Markarfljót river. Habitats include small marshes of sedge (Carex, Eriophorum), sandy areas with rushes Juncus, and flat areas of glacial outwash gravel that are partly vegetated. The native vegetation cover has been increasing since barriers were built to prevent the Markarfljót river from changing its course. Land-uses include grazing.

Key Biodiversity Numenius phaeopus occurs at the highest density recorded in Iceland, or possibly in the world (42 pairs/km2). Not much information on birds is available for the area, but the breeding avifauna includes a good variety of ducks, waders and other waterbirds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Whimbrel Numenius phaeopus breeding  abundant  B3  Least Concern 


IUCN habitat Habitat detail Extent (% of site)
Shrubland Heathland  30%
Wetlands (inland) Fens, transition mires and springs; Rivers and streams; Standing freshwater  20%
Coastline   50%

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
hunting -

Protection status National None International None

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Markarfljótsaurar. Downloaded from on 22/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife