email a friend
printable version
Location Finland, Länsi-Suomen lääni
Central coordinates 21o 10.00' East  61o 15.00' North
IBA criteria B2, B3, C2
Area 27,371 ha
Year of IBA assessment 2000


Site description A very large archipelago with numerous islands lying offshore of Luvia and Rauma. The central archipelago of Rauma has many very large forested and inhabited islands with smaller islands and islets to its north and south. The other main area is the Luvia archipelago, comprising over 400 islands, most of which are rocky and stony and 0.4-4 ha in size. The larger islands of this archipelago are covered by Picea-dominated old forests, belts of Juniperus and Hippophae, and low heaths.

Key Biodiversity An important area for island-breeding birds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Mew Gull Larus canus breeding  1995  1,323 breeding pairs  good  B2  Least Concern 
Great Black-backed Gull Larus marinus breeding  1995  90 breeding pairs  good  B3  Least Concern 
Arctic Tern Sterna paradisaea breeding  1995  1,430 breeding pairs  medium  C2  Least Concern 

IBA Monitoring

2010 low near favourable negligible
Poor - based on little, or potentially unreliable/unrepresentative, data

Invasive & other problematic species, genes & diseases invasive non-native/alien species/diseases - unspecified species happening now some of area/population (10-49%) no or imperceptible deterioration low

Larus marinus Great Black-backed Gull 90 125 breeding pairs 100 favourable
Sterna paradisaea Arctic Tern 1400 1100 breeding pairs 79 near favourable

Some of site covered (10-49%)  No management planning has taken place  Very little or no conservation action taking place  negligible 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Hylkikartojen luonnonsuojelualue Private Nature Reserve 4 protected area overlaps with site 0  
Kylmäsantakarin luonnonsuojeluale Private Nature Reserve 11 protected area overlaps with site 0  
Marjakarin-Pohjakallioiden Saaret (luonnonsuojelualue) Private Nature Reserve 6 protected area overlaps with site 0  
Omenapuumaan luonnonsuojelualue Private Nature Reserve 107 protected area overlaps with site 0  
Pihlasenokka Protected Areas on Private Land 4 protected area overlaps with site 0  
Puuvallinnokan luonnonsuojelualue Private Nature Reserve 3 protected area overlaps with site 0  
Reksaaren Huhdanpään luonnonsuojelualue Private Nature Reserve 3 protected area overlaps with site 0  


IUCN habitat Habitat detail Extent (% of site)
Sea   93%
Unknown   7%

Land use

Land-use Extent (% of site)
hunting -
unknown -

Protection status National Low International Partial121 ha of IBA covered by Protected Area on Private Lands (Omenapuunas, 112 ha; Reksaari, 4 ha; Pihlasenokka, 4 ha; Puuvallinnokka, 4 ha; Kylmäsantakari, 7 ha; Hylkikartta, 3 ha; Marjakari-Pohjoiskallio, 8 ha). 14,041 ha of IBA covered by Special Protection Area (Luvian saaristo).

Contribute  Please click here to help BirdLife conserve the world's birds - your data for this IBA and others are vital for helping protect the environment.

Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Rauma and Luvia archipelagos. Downloaded from on 28/10/2016

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