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Scopus CiteScore 2019: 3.1
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Silva Fennica 1926-1997
Acta Forestalia Fennica

Acta Forestalia Fennica vol. 36 | 1929

Category: Article

article id 7262, category Article
Erkki Laitakari. (1930). Suomen metsätieteellisen seuran toiminta vv. 1920-1930. Acta Forestalia Fennica vol. 36 no. 4 article id 7262.
English title: Activities of Finnish Society of Forest Sciences in 1920‒1930.

The article includes the minutes of the Finnish Society of Forest Sciences in 1920‒1930. In the meetings of the society were held 108 presentations, which are included in the article. The topics of the presentations are listed by the name of the speakers and by the topics.

  • Laitakari, ORCID ID:E-mail:
article id 7261, category Article
K. Linkola. (1930). Über die Halbhainwälder in Eesti. Acta Forestalia Fennica vol. 36 no. 3 article id 7261.
English title: On half-deciduous woodlands in Estonia.

Half-deciduous woodlands are the combination of deciduous forests and heath forests from their vegetation. The article describes three half-deciduous forest types from the commune of Hager, 40 kilometers south form Tallinn.

The occurrence of half-deciduous forests depends on the soil conditions, especially on lime content of the soil, when the occurrence of other forest types is more a question of climate. They are important as an original site for many continental plant species.   

The PDF contains a summary in Finnish. 

  • Linkola, ORCID ID:E-mail:
article id 7260, category Article
I. Lassila. (1930). Työtieteellisiä tutkimuksia metsätyöstä. 1. Pinopuun teko. Acta Forestalia Fennica vol. 36 no. 2 article id 7260.
English title: Studies on efficiency of labour in forest work.

The article analyses the efficiency of forest work, and the use of time and motion study methods in forest work. Forest work can be characterized by little use of machinery. It cannot be repeated as orderly as industrial work. This affects also how the efficiency of the work can be measured. Only parts of the work can be timed. The study takes making of piled wood as an example. First are determined the standard times for the work moments. They include the time used to prepare the piled wood, and the waste time. It is concluded that forest work can be standardized with the methods of work analysis.

The PDF includes a summary in English.

  • Lassila, ORCID ID:E-mail:
article id 7259, category Article
I. Lassila. (1929). Metsätyypin vaikutuksesta puun painoon. Acta Forestalia Fennica vol. 36 no. 1 article id 7259.
English title: The influence of forest site type on the weight of wood.

Earlier research has presented contradictory results of the influence of forest site type on the weight of wood. In this study, dominant trees of Scots pine (Pinus sylvestris L.) was chosen as sample trees on four forest site types: Calluna, Vaccinium, Myrtillus and Oxalis site types. The trees were felled in autumn, when the water content of the wood is low. Weight of the test samples was measured weigh before and after drying. Undried wood, both sapwood and heartwood, is heavier in Myrtillus type than in Vaccinium type. The weight of the air-dried heartwood did not differ between the two forest site types. Air-dried- sapwood was heaviest in Myrtillus site type. Air-dried heartwood was heaviest in Vaccinium site type, and lightest in Oxalis type. Owen-dried sapwood was heaviest in Calluna site type, where the tree growth is slow, but weight differences were small in owen-dried heartwood. It can be claimed that forest type affects wood quality.

The PDF includes a summary in English.

  • Lassila, ORCID ID:E-mail:

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