Current issue: 53(3)

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Impact factor 1.683
5-year impact factor 1.950
Silva Fennica 1926-1997
1990-1997
1980-1989
1970-1979
1960-1969
Acta Forestalia Fennica
1953-1968
1933-1952
1913-1932

Articles by Ari Ferm

Category: Article

article id 5097, category Article
K. M. Bhat, Ari Ferm, Matti Kärkkäinen. (1981). On the properties of one-year shoots of Betula pubescens Ehrh. and Salix spp. Silva Fennica vol. 15 no. 1 article id 5097. https://doi.org/10.14214/sf.a15038

Downy birch (Betula pubescens Ehrh.) trees growing on a drained peatland were cut during dormancy. The properties of the one-year old shoots produced by the stumps were measured in the autumn after one growing season. The one-year old willow shoots (a mixture of Salix phylicifolia L., S. pentandra L. and S. caprea L.) were collected from an abandoned field.

The basic density of unbarked shoots was 443 kg/m3 for birch and 346 kg/m3 for willow. The basic density of the bark was much higher than that of the wood. The effect of shoot length on the properties was small with the exception of cellular proportions. The fibre percentage increased and vessel percentage decreased with increasing shoot length.

The PDF includes a summary in Finnish.

  • Bhat, ORCID ID:E-mail:
  • Ferm, ORCID ID:E-mail:
  • Kärkkäinen, ORCID ID:E-mail:

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