FI068
Koijärvi lake


Site description (2000 baseline):

Site location and context
A small eutrophic lake surrounded by young deciduous forests in the heart of Häme province. The area of open water is small, with extensive marshes of Equisetum, Carex and grasses, which were harvested by local people until the 1950s, and now are encroaching on the lake. The major human activity is large-scale hunting in autumn.



Key biodiversity
One of the best breeding areas for Porzana porzana in Finland. Species of global conservation concern that do not meet IBA criteria: Crex crex (1-5 pairs, breeding).



Pressure/threats to key biodiversity
The major threat to the avifauna is nutrient pollution of the lake by run-off from adjacent agricultural areas. A birdwatching tower is situated within the area. Part of the area is a candidate SAC.



Protected areas
National Partial International High41 ha of IBA covered by Protected Area on Private Land (Koijärvi, 41 ha). 186 ha of IBA covered by Special Protection Area (Koijärvi).




Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Koijärvi lake (Finland). Downloaded from https://datazone.birdlife.org/site/factsheet/koijärvi-lake-iba-finland on 25/12/2024.