Current issue: 58(1)

Under compilation: 58(2)

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Silva Fennica 1926-1997
1990-1997
1980-1989
1970-1979
1960-1969
Acta Forestalia Fennica
1953-1968
1933-1952
1913-1932

Articles containing the keyword 'käsitteet'

Category : Article

article id 4779, category Article
Eino Saari. (1968). Sisäisen korkokannan käsite metsätaloudessa. Silva Fennica vol. 2 no. 4 article id 4779. https://doi.org/10.14214/sf.a14564
English title: Internal rate of return in forestry.
Original keywords: metsätalous; käsitteet; kannattavuuslaskenta; korkokanta; sisäinen korkokanta
English keywords: terminology; internal rate; rate of interests; concepts
Abstract | View details | Full text in PDF | Author Info

The concept of the internal rate can be defined as the rate of interest, which if applied to expenditures incurred at different times, gives a compounded sum equal to revenues compounded at the same rate for the same time. This concept has long been used in forestry, particularly concerning the development of a stand, because in this case there is a time difference between many items of expenditure and revenue. Several terms have been used or the notions derived on this basis. The term internal rate of return has begun to appear only recently. This article explains different variations of the concept and its different names, together with some related concepts and terms.

The PDF includes a summary in English.

  • Saari, E-mail: es@mm.unknown (email)
article id 4772, category Article
Eino Saari. (1968). Vajaatuottoisen metsikön ja metsämaan käsite. Silva Fennica vol. 2 no. 3 article id 4772. https://doi.org/10.14214/sf.a14557
English title: The notion of reduced yield stands and forest soils.
Original keywords: käsitteet; määritelmät; vajaatuottoinen metsikkö; vajaatuottoinen metsämaa; vajaapuustoinen metsikkö
English keywords: terminology; definitions; reduced yield stand; reduces yield soil; understocked stand
Abstract | View details | Full text in PDF | Author Info

The technical term reduced yield stands – sometimes reduced yield soils – is widely used in the Finnish forest literature. However, there is no clear definition of the notion reduced yield and no explanation of how this notion is measured in the classifications. Some committee reports and bill proposals and some laws and statutes use the reduced yield forest soil. No definition can be found. In my opinion the term reduced yield forest soils ought to be completely abolished until forest soil experts can perhaps define what it means, if they consider such a concept useful.

Explanations for the term reduced yield stands can be found in the descriptions of classification systems of stands. According to them, the criterion is partly silvicultural (site, species of tree), partly mensurational (volume, sometimes growth), partly economic. No explanation is found as to how the economic aspect is measured, nor about the limit of a full yield and reduced yield.

In my opinion such a term is confusing. I therefore suggest that the term reduced yield stand ought to be abolished. If something is needed instead, I suggest the term understocked stand, defined as a growing stock under certain percentage of a fully stocked stand. The notion of economic reduced yield cannot be generally tied to certain silvicultural and mensurational characteristics of stands. The economic aspect of certain kinds of stands may differ, depending on the owner of the forest and his economic situation, the location of the forest, the composition of the whole forest ownership unit, etc.

The PDF includes a summary in English.

  • Saari, E-mail: es@mm.unknown (email)

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