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Silva Fennica 1926-1997
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Acta Forestalia Fennica
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Articles containing the keyword 'summa'.

Category: Article

article id 7449, category Article
Valter Keltikangas. (1954). Metsäpalstan pinta-alan vaikutuksesta sen kauppahintaan. Acta Forestalia Fennica vol. 61 no. 37 article id 7449. https://doi.org/10.14214/aff.7449
English title: The effect of area upon the value of a forest holding.

Forests have been priced by assessing separately the value of the land, small timber and heavy timber, and adding them together. This method of summing up gives a small woodlot the same price per hectare as a large forest area. In real estate sales the actual prices paid per hectare, however, are higher for small woodlots. The summing-up method thus over-values big forest holdings.

The figures obtained by the summing-up method should be corrected by using a reduction percentage. This value should increase with the growth of the forest area and should be higher for fully-stocked areas than those with small growing stock. A table of reduction percentages is presented, where an effort is made to eliminate the effect upon the statistics of the potential value of the land as building site and field. The results clearly indicate that the effect of area upon the price of a woodlot is fairly marked, even with very small parcels.

On the other hand, determination of the reduction percentages has some theoretical weaknesses. The author recommends a method of price evaluation which takes the factor of area directly into account, excluding arbitrary correction percentages. In this method the marketable part of the growing stock is evaluated at its felling value and its relative role decreases with the growth of the area. The rest of the growing stock together with the ground is priced as rental value. This method of professor Eino Saari does justice both to the area and to the fact that forest land and the growing tied to it form an inseparable whole.

The Acta Forestalia Fennica issue 61 was published in honour of professor Eino Saari’s 60th birthday.

The PDF includes a summary in English.

  • Keltikangas, ORCID ID:E-mail:
article id 7449, category Article
Valter Keltikangas. (1954). Metsäpalstan pinta-alan vaikutuksesta sen kauppahintaan. Acta Forestalia Fennica vol. 61 no. 37 article id 7449. https://doi.org/10.14214/aff.7449
English title: The effect of area upon the value of a forest holding.

Forests have been priced by assessing separately the value of the land, small timber and heavy timber, and adding them together. This method of summing up gives a small woodlot the same price per hectare as a large forest area. In real estate sales the actual prices paid per hectare, however, are higher for small woodlots. The summing-up method thus over-values big forest holdings.

The figures obtained by the summing-up method should be corrected by using a reduction percentage. This value should increase with the growth of the forest area and should be higher for fully-stocked areas than those with small growing stock. A table of reduction percentages is presented, where an effort is made to eliminate the effect upon the statistics of the potential value of the land as building site and field. The results clearly indicate that the effect of area upon the price of a woodlot is fairly marked, even with very small parcels.

On the other hand, determination of the reduction percentages has some theoretical weaknesses. The author recommends a method of price evaluation which takes the factor of area directly into account, excluding arbitrary correction percentages. In this method the marketable part of the growing stock is evaluated at its felling value and its relative role decreases with the growth of the area. The rest of the growing stock together with the ground is priced as rental value. This method of professor Eino Saari does justice both to the area and to the fact that forest land and the growing tied to it form an inseparable whole.

The Acta Forestalia Fennica issue 61 was published in honour of professor Eino Saari’s 60th birthday.

The PDF includes a summary in English.

  • Keltikangas, ORCID ID:E-mail:
article id 7449, category Article
Valter Keltikangas. (1954). Metsäpalstan pinta-alan vaikutuksesta sen kauppahintaan. Acta Forestalia Fennica vol. 61 no. 37 article id 7449. https://doi.org/10.14214/aff.7449
English title: The effect of area upon the value of a forest holding.

Forests have been priced by assessing separately the value of the land, small timber and heavy timber, and adding them together. This method of summing up gives a small woodlot the same price per hectare as a large forest area. In real estate sales the actual prices paid per hectare, however, are higher for small woodlots. The summing-up method thus over-values big forest holdings.

The figures obtained by the summing-up method should be corrected by using a reduction percentage. This value should increase with the growth of the forest area and should be higher for fully-stocked areas than those with small growing stock. A table of reduction percentages is presented, where an effort is made to eliminate the effect upon the statistics of the potential value of the land as building site and field. The results clearly indicate that the effect of area upon the price of a woodlot is fairly marked, even with very small parcels.

On the other hand, determination of the reduction percentages has some theoretical weaknesses. The author recommends a method of price evaluation which takes the factor of area directly into account, excluding arbitrary correction percentages. In this method the marketable part of the growing stock is evaluated at its felling value and its relative role decreases with the growth of the area. The rest of the growing stock together with the ground is priced as rental value. This method of professor Eino Saari does justice both to the area and to the fact that forest land and the growing tied to it form an inseparable whole.

The Acta Forestalia Fennica issue 61 was published in honour of professor Eino Saari’s 60th birthday.

The PDF includes a summary in English.

  • Keltikangas, ORCID ID:E-mail:
article id 5381, category Article
Jouko Hämäläinen. (1989). Ajatuksia metsän arvon määrittämisestä. Silva Fennica vol. 23 no. 2 article id 5381. https://doi.org/10.14214/sf.a15538
English title: Thoughts about forest valuation.

In this article the methods of forest valuation, especially the sales value tables previously published in Finland are critically examined. In this connection attention is drawn to the rate of interest used in calculating the forest values.

The PDF includes an abstract in English.

  • Hämäläinen, ORCID ID:E-mail:
article id 5257, category Article
Heikki Hänninen. (1986). Metsäpuiden vuosirytmitutkimuksen käsitteistä ja teorioista. Silva Fennica vol. 20 no. 1 article id 5257. https://doi.org/10.14214/sf.a15436
English title: Conceptual remarks about the study of the annual rhythm of forest trees.

Different approaches to the study of the annual rhythm of forest trees are described and compared by analysing the concepts and theories presented in the literature. The seasonality varying morphological and physiological state of forest trees is referred to as the annual rhythm s. lat., from which the annual ontogenetic rhythm is separated as a distinct type. The dormancy phenomena of the trees are grouped into four categories. Theories concerning the regulation of the annual rhythm are divided into two main types, the most common examples of which are the photoperiod theory and the temperature sum theory. Recent efforts towards a synthetic theory are described.

The PDF includes a summary in English.

  • Hänninen, ORCID ID:E-mail:
article id 5183, category Article
Risto Ojansuu, Helena Henttonen. (1983). Kuukauden keskilämpötilan, lämpösumman ja sademäärän paikallisten arvojen johtaminen Ilmatieteen laitoksen mittaustiedoista. Silva Fennica vol. 17 no. 2 article id 5183. https://doi.org/10.14214/sf.a15099
English title: Estimation of the local values of monthly mean temperature, effective temperature sum and precipitation sum from the measurements made by the Finnish Meteorological Office.

Methods involving the use of moving averages, trend surfaces and their combination are compared in deriving local values of monthly mean temperatures and precipitation sums from the observations made by the Finnish Meteorological Office. Correlation between meteorological variables and sea index, lake index and height above sea level were used in the trend surface method and in the combined method. Combined method, with a trend surface calculated from means of a long time period, was the most reliable method to estimate long local time series.

A method to calculate unbiased estimates of effective temperature sums from monthly mean temperatures is presented.

The PDF includes a summary in English.

  • Ojansuu, ORCID ID:E-mail:
  • Henttonen, ORCID ID:E-mail:
article id 5178, category Article
Reijo Solantie. (1983). "Mereisyyden - mantereisuuden" ja "humidisuuden" käsitteistä erityisesti tammen luontaisen levinneisyyden perusteella. Silva Fennica vol. 17 no. 1 article id 5178. https://doi.org/10.14214/sf.a15093
English title: Concepts of continentality-oceanity and humidity especially in the light of the natural distribution of Quercus robur.

Climatological factors determining the natural northern boundary in Europe of oak (Quercus robur L.) were investigated. The natural northern boundary of oak corresponds in detail to the curve at which the growing season, beginning at +5°C in spring and ending at +10°C in autumn, is of a certain constant length. The northern boundaries for more oceanic plants can be explained by prolonged autumn activity. This is obviously the general explanation or the concept of oceanity. Oak spread markedly in Finland in the summers during 1961–1975, which on an average were as warm but much dried than those during 1931–1960. The importance of humidity for oak was discussed.

The PDF includes a summary in English.

  • Solantie, ORCID ID:E-mail:

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