Municipality: Kajaani
Protection year: 2020, 2021
Area protected: 10.5 ha
Paatsamakorpi Kajaani Luonnonperintösäätiö suojelualue

The Finnish Natural Heritage Foundation has protected a forest ravaged by a thunderstorm in Hannusranta in Kajaani. The conservation area, which was named Paatsamakorpi, was hit by a strong downburst in June 2020, which left the forest with hundreds of cubic metres of windthrow. The moist mixed forest is over a hundred years old and now covers over 10.5 hectares.

For forest owners, windthrow often causes economic loss. But for nature, it is like winning the lottery. The fallen tree begins to decay, which makes it the perfect home for countless forest organisms such as beetles, bracket fungus and moss.

In future, the forest structure of Paatsamakorpi will diversify quickly. In just a few years the fallen trees will decay enough to allow the next generation of trees, which has been waiting for its turn on the forest floor, to take over. Hannusranta’s old buckthorn and its alder, which is rare in the Kajaani region, will gain more living space in the middle of the storm-damaged trees.

Paatsamakorpi is the Finnish Natural Heritage Foundation’s ninth conservation area in Kainuu.

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