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Silva Fennica no. 10 | 1928

Category : Article

article id 4451, category Article
Pekka Urho Sakari Tikka. (1928). Havaintoja kuusen esiintymisestä ja kehityksestä Pohjois-Suomen kuivissa kangasmetsissä. Silva Fennica no. 10 article id 4451. https://doi.org/10.14214/sf.a8399
English title: Observations on Norway spruce growth and development in dry mineral soil sites in Northern Finland.
Original keywords: Pohjois-Suomi; luontainen uudistuminen; kuiva kangas; kuusi; Picea abies; taimi
English keywords: Norway spruce; natural regeneration; seedling; northern Finland; dry upland site
Abstract | View details | Full text in PDF | Author Info

Norway spruce (Picea abies (L.) H. Karst.) is rarely the dominant species on dry mineral soil sites in Northern Finland. These sites are, in general, too poor and dry for spruce, and suit better for Scots pine (Pinus sylvestris L.). According to the study, the natural regeneration of spruce is in Northern Finland poor. In the sample plots, cones could be found in 35% of spruce trees in the stands in natural state and 46% in the harvested stands. Compared to the spruce areas in Northern Finland, or fresh mineral soil sites in Southern Finland, cone and seed production of Norway spruce was in dry mineral soil sites very low due to scarcity of seed trees and their low cone number. There were few spruce seedlings in the sample plots, but according to the observations, spruce is able to regenerate on lichen and heath covered sites. The seedling growth was, however, poor on dry sites. Spruce seedlings were often found near fallen trees and stumps. The growing trees prevent growth of seedlings of all species. Norway spruce seems, however, to be able to spread also to the poor sites. The success depends on the vegetation and dryness of the site. For instance, spruce can spread to dry mineral soil sites from seed trees of nearby peatlands.

The PDF includes a summary in German.

  • Tikka, E-mail: pt@mm.unknown (email)

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