IBA Criteria

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Common Crane Grus grus LC breeding 1996 11-50 breeding pairs B2, C6
Wood Sandpiper Tringa glareola LC breeding 1996 501-1,000 breeding pairs B2
Short-eared Owl Asio flammeus LC breeding 1996 11-50 breeding pairs B2, C6
Common Redstart Phoenicurus phoenicurus LC breeding 1996 501-1,000 breeding pairs B2
Parrot Crossbill Loxia pytyopsittacus LC breeding 1996 51-100 breeding pairs B3

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2010 medium favourable medium
Was the whole site covered? Yes State assessed by Population
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Natural system modifications dams & water management/use - abstraction of ground water (agricultural use) happening now some of area/population (10-49%) slow but significant deterioration medium

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Grus grus Common Crane 250 250 breeding pairs 100 favourable
Tringa glareola Wood Sandpiper 825 825 breeding pairs 100 favourable
Phoenicurus phoenicurus Common Redstart 750 1000 breeding pairs 100 favourable
Loxia pytyopsittacus Parrot Crossbill 120 120 breeding pairs 100 favourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation A management plan exists but it is out of date or not comprehensive Some limited conservation initiatives are in place medium
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Oravisuon-Näätäsuon-Sammakkosuon soidensuojelualue Protected Mire 11,901 unknown 0
Olvassuon luonnonpuisto Strict Nature Reserve 6,669 protected area contained by site 5,980
Olvassuo Special Protection Area (Birds Directive) 1,027 protected area contained by site 27,073
Leväsuon-Kärppäsuon soidensuojelualue Protected Mire 2,292 unknown 0
Kiiminkijoki Site of Community Importance (Habitats Directive) 10,884 protected area is adjacent to site 0


IUCN Habitat Habitat detail Extent (% of site)
Forest Native coniferous woodland -
Wetlands (inland) Raised bogs -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
unknown -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Olvassuo-Oravisuo-Näätäsuo-Sammakkosuo. Downloaded from on 19/02/2020.