Nature management works were carried out in places where endangered plant species and other ridge vegetation grow and in their vicinity.
In Hämeenlinna, the valuable roasting environments of ridge forests have been improved with nature conservation works. Work has been done on the ridge section on the west side of the city, which is an important area for biodiversity.
The plant and animal species and biological communities living in roasting environments are very distinctive and specialized, and cannot be found anywhere else.
Typical roasting species are, for example, ragwort, eastern bowhead and cat’s paw. In Hämeenlinna, however, the goal is to improve the living conditions of especially endangered roosting species such as Hämeenkylmänkänku and kankelto. Their occurrences have decreased, among other things, as a result of the overgrowth of ridges.
The city continues the renovations of important roasting habitats and monitors the effects of nature conservation works on endangered vegetation. According to Väisänen, the recovery of plant species is monitored using plant boxes.
Add light and remove logging waste
Renovations have been made in Hämeenlinna on the roasting slope next to Ahvenistonjärvi, on the ridge between Norjanmäki and Aurinkolähte, and on the sledge deposits of Ahveniston jumpyrimäki and Hakovuuori.
Forestry engineer Leena Väisänen says that all the sites to be maintained are on the city’s lands. In the sites, the worst shading trees and bushes were removed.
– In Ahvenisto, we cooperated with the Häme ely center, because the ridge area of \u200b\u200bAhvenisto is a nature reserve in its entirety.
According to Väisänen, the wood was removed a little faster in Ahvenisto and there is still enough logging waste to be collected after the snow has closed.
– Logging residues are collected so that there are no extra nutrients left to fertilize the soil in roasting areas with poor nutrients.
The city of Hämeenlinna received a Kunta-Helmi grant from the Ministry of the Environment for the years 2021-22. The grant was used to renovate roasting habitats.
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