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Researchers watch trees grow online

Five Finnish trees are enjoying close attention from the Finnish Forest Research Institute. The authority has started monitoring the growth of these trees on its website.

Niivermäen metsää Kouvolan ja Kuusankosken välissä.
Niivermäen metsää Kouvolan ja Kuusankosken välissä. Image: Lassi Kujala

The five trees, which are located in various parts of Finland, have special bands attached to them, recording differences in their trunks’ circumference over time.

“The monitoring results will tell of the progress of the growing season and the impact of weather on trees’ growth,” says researcher Pentti Niemistö from the institute.

Trees in Finland annually gain at most a few millimetres in trunk thickness, so their growth cannot be detected by the naked eye.

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