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Location Finland, Etelä-Suomen lääni
Central coordinates 23o 40.00' East  60o 44.00' North
IBA criteria B1i, B2, B3, C2, C3, C6
Area 4,923 ha
Altitude 100 m
Year of IBA assessment 2000


Site description The area encompasses a high diversity of habitats including extensive areas of raised bog (Torronsuo National Park is a near-wilderness area), a large eutrophic lake (Talpianjärvi) which is mostly covered by Salix- and Carex-dominated marshes due to falling water-levels, and surrounding arable farmlands.

Key Biodiversity The area provides important breeding habitats for both farmland and peatland birds, including Gavia stellata (5 pairs) and Perdix perdix (35-45 pairs). Most significant are the high numbers of staging Anser fabalis fabalis and Grus grus (in autumn).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Bean Goose Anser fabalis passage  1996  500-2,000 individuals  good  B1i, C3  Least Concern 
Whooper Swan Cygnus cygnus passage  1996  101-500 individuals  good  B1i, C2  Least Concern 
Corncrake Crex crex breeding  1996  6-10 breeding pairs  medium  B2, C6  Least Concern 
Spotted Crake Porzana porzana breeding  1996  51-100 breeding pairs  medium  B3, C2, C6  Least Concern 
Common Crane Grus grus breeding  1996  51-100 breeding pairs  medium  B1i, B2, C2, C6  Least Concern 
Common Crane Grus grus passage  1996  700-1,500 individuals  medium  B1i, C2  Least Concern 

IBA Monitoring

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

Energy production and mining mining and quarrying happening now some of area/population (10-49%) slow but significant deterioration medium
Natural system modifications dams & water management/use - dams (size unknown) happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution air-borne pollutants - type unknown/unrecorded happening now majority/most of area/population (50-90%) no or imperceptible deterioration low

Anser fabalis Bean Goose 800 400 individuals 50 unfavourable
Porzana porzana Spotted Crake 50 7 breeding pairs 15 very unfavourable

Most of site (50-90%) covered (including the most critical parts for important bird species)  A management plan exists but it is out of date or not comprehensive  Some limited conservation initiatives are in place  low 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Torronsuon kansallispuisto National Park 2,958 protected area contained by site 2,600  


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Raised bogs; Standing freshwater  65%
Artificial - terrestrial   35%

Land use

Land-use Extent (% of site)
agriculture 30%
not utilised 50%
unknown 20%

Protection status National Partial International Partial2,600 ha of IBA covered by National Park (Torronsuo, 2,600 ha). 3,385 ha of IBA covered by Special Protection Area (Torronsuo).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Torronsuo and Lake Talpianjärvi. Downloaded from on 23/10/2016

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