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Location Finland, Etelä-Suomen lääni
Central coordinates 25o 30.00' East  61o 3.00' North
IBA criteria B2, C6
Area 913 ha
Altitude 81 m
Year of IBA assessment 2000


Site description A large area comprising the shallow bays of Vesijärvi lake and the eutrophic Kutajärvi lake which lie on the southern edge of the Päijänne lake water system. The vegetation is extensive reedbed surrounded by narrow stretches of meadow, and large areas of floating plants.

Key Biodiversity An important breeding and congregating area for waterbirds in continental Finland, with breeding species including Podiceps cristatus (517 pairs), P. grisegena (33 pairs), Aythya ferina (73 pairs) and Larus ridibundus (650 pairs).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Eurasian Bittern Botaurus stellaris breeding  1996  9 breeding pairs  good  B2, C6  Least Concern 

IBA Monitoring

2010 high favourable medium
Medium - based upon reliable but incomplete / partially representative data

Human intrusions and disturbance recreational activities happening now some of area/population (10-49%) no or imperceptible deterioration low
Natural system modifications dams & water management/use - abstraction of ground water (unknown use) happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution agricultural & forestry effluents - nutrient loads happening now majority/most of area/population (50-90%) moderate to rapid deterioration high

Botaurus stellaris Eurasian Bittern 9 9 breeding pairs 100 favourable

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(50-90%) covered (including the most critical parts for important bird species)  A management plan exists but it is out of date or not comprehensive  Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity  medium 


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater  100%

Land use

Land-use Extent (% of site)
hunting 40%
unknown 60%

Protection status National None International Partial770 ha of IBA covered by Special Protection Area (Kutajärven alue).

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

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