How do we affect the layering of forests through management?

Finnish Society of Forest Science / Pekka Nygren CC BY-SA 4.0

#Metsätiede2025

Afternoon parallel session of the Silviculture Club

In forests, in their natural state, a more or less clear differentiation into several canopy layers can often be seen. We talk about the canopy layers formed by emergent trees, dominant trees, intermediate trees, undergrowth and understory. In peatlands, commercial forests are also often layered. Forest management with an uneven-aged structure increases the share of the layered forests.

To what extent are our forests layered today? What challenges and benefits does the layered nature of forests pose to forest management? Can we promote the layering of forests, especially in mineral soils? How do we maintain layering in the regeneration, seedling stand management and growing phases?

Programme

13.15–13.40Teoreettinen näkökulma metsien latvuksen kerroksellisuuteen (In Finnish)Markku Larjavaara; University of Helsinki
13.40–14.05Miten vaikutamme metsien käsittelyllä niiden kerroksellisuuteen? (In Finnish)Kalle Vanhatalo; Tapio Oy
14.05–14.30Sekametsien kerroksellisuus: Yksi- ja kaksijaksoinen kasvatus (In Finnish)Lauri Männistö; Natural Resources Institute Finland
14.30–15.00Coffee break
15.00–15.20Metsänkäsittelyn vaikutukset kaksijaksoisten metsien kasvuun ja puunkorjuuseen — Kasvatus- ja korjuukokeiden tuloksia. (In Finnish)Pentti Niemistö; Natural Resources Institute Finland
15.20–15.35Kerroksellisuutta rantapuustoihin (In Finnish)Pekka Kauppi; University of Helsinki
15.35–15.50Metsän kerroksellisuus pituuskilpailun ja pituus- ja läpimittakäyrän näkökulmasta (In Finnish)Juha Lappi; Norwegian University of Life Sciences
15.50–16.00Uusi jatkuvan kasvatuksen koealaverkosto perustettu (In Finnish)Jussi Heinonsalo; University of Helsinki