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Location Finland, Etelä-Suomen lääni
Central coordinates 26o 29.00' East  60o 35.00' North
IBA criteria B2, C6
Area 1,320 ha
Altitude 15 m
Year of IBA assessment 2000


Site description The site includes two lakes (Teutjärvi and Suvijärvi) connected by a narrow ditch at the mouth of the Kymi river. Teutjärvi is a large, shallow-shored lake with some reedbeds and surrounded by cultivated farmland. Fishing is regular, and the water-level has been artificially reduced to prevent flooding. Suvijärvi lake has extensive reedbeds.

Key Biodiversity Cultivated farmland around the lakes holds fairly good numbers of the globally threatened Crex crex. Species of global conservation concern that do not meet IBA criteria: Haliaeetus albicilla (passage).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Corncrake Crex crex breeding  1996  13 breeding pairs  good  B2, C6  Least Concern 

IBA Monitoring

2010 high unfavourable low
Medium - based upon reliable but incomplete / partially representative data

Agriculture and aquaculture annual & perennial non-timber crops - agro-industry farming happening now majority/most of area/population (50-90%) moderate to rapid deterioration high

Crex crex Corncrake 13 7 breeding pairs 54 unfavourable

Some of site covered (10-49%)  A management plan exists but it is out of date or not comprehensive  Very little or no conservation action taking place  low 


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Rivers and streams; Standing freshwater  70%
Artificial - terrestrial Arable land  30%

Land use

Land-use Extent (% of site)
hunting -
agriculture -
tourism/recreation -

Protection status National None International Partial557 ha of IBA covered by Special Protection Area (Teutjärven ja Suvijärven lintuvedet).

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

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