Current issue: 53(2)

Under compilation: 53(3)

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 containing the keyword 'koneellistaminen'.

Category: Article

article id 4991, category Article
Pertti Harstela, Leo Tervo. (1978). Taimikkopuun korjuumenetelmien vertailua. Silva Fennica vol. 12 no. 2 article id 4991. https://doi.org/10.14214/sf.a14845
English title: Comparison of methods for harvesting in sapling stand.

A theoretical nomogram was made for estimating the costs of fully mechanized thinning and the driving speed of the machine. Based on this nomogram and the previous studies three harvesting methods were compared; systematic fully mechanized harvesting, selective fully mechanized harvesting, and manual felling combined with whole-tree chipping.

The third method was cheaper than the fully mechanized methods in a pole-stage stand. The choice of the most advantageous chipping station depended on conditions, but the smaller tree size and possibly the reduced damage on the remaining stand favour chipping on the strip road rather than chipping on the intermediate landing or at the mill.

Mechanized systematic thinning was the cheapest method for harvesting in the sapling stand. The required driving speed were so low that ergonomic factors should not hinder its use. Factors related to the future production of the stand do, however, limit its use. Mechanized selective thinning does not seem to be an economic method for harvesting in a sapling or pole-stage stand.

The PDF includes a summary in English.

  • Harstela, ORCID ID:E-mail:
  • Tervo, ORCID ID:E-mail:
article id 4900, category Article
Pertti Harstela. (1974). Eräiden koneellistamisennusteiden herkkyydestä kustannustason muutoksiin. Silva Fennica vol. 8 no. 2 article id 4900. https://doi.org/10.14214/sf.a14744
English title: The influence of the change of cost level on some mechanization prognosis.

In this study a formula has been developed to describe the influence of the change of cost level on such a mechanization prognosis, where is assumed that wages and machine costs bear compound interest. In the study there are some numerical examples.

In the formula p1 = annual per cent increase of wages, p3 = annual per cent increase of machine costs, p2 = sudden and incident per cent increase of machine costs, and tv = delay in the profitability of mechanization.

The PDF includes a summary in English.

  • Harstela, ORCID ID:E-mail:
article id 4636, category Article
Tauno Hautamäki. (1953). Metsämaan laikutuksen koneellistamiskokeiluista. Silva Fennica no. 80 article id 4636. https://doi.org/10.14214/sf.a14052
English title: Mechanization of ground preparation.

Silva Fennica Issue 80 includes presentations held in 1952 in the 7th professional development courses, arranged for foresters working in the Forest Service. The presentations focus on practical issues in forest management and administration, especially in regional level. The education was arranged by Forest Service.

Soil preparation improves formation of seedlings in natural regeneration sites. This presentation describes mechanization of the work using four different machines. According to the study, the effectiveness and quality of the work has improved compared to the earlier machines, and the method is becoming a competitive alternative to slash burning.

  • Hautamäki, ORCID ID:E-mail:
article id 4616, category Article
Mikko Kantola. (1951). Uusimpia saavutuksia puutavaran kuljetuksen alalla. Silva Fennica no. 69 article id 4616. https://doi.org/10.14214/sf.a14012
English title: Recent achievements in timber transportation.

Silva Fennica Issue 69 includes presentations held in 1948-1950 in the fourth professional development courses, arranged for foresters working in the Forest Service. The presentations focus on practical issues in forest management and administration, especially in regional level. The education was arranged by Forest Service.

This presentation describes the development of forest haulage and long-distance transportation of timber. The article gives examples of improving the effectivity of horse hauling, use of tractors, loading of timber and floating, and gives examples of new equipment used in timber transport.

  • Kantola, ORCID ID:E-mail:
article id 4615, category Article
Jaakko Vöry. (1951). Metsäalan rationalisoimistoiminnan nykyinen vaihe. Silva Fennica no. 69 article id 4615. https://doi.org/10.14214/sf.a14011
English title: The present stage of rationalization.

Silva Fennica Issue 69 includes presentations held in 1948-1950 in the fourth professional development courses, arranged for foresters working in the Forest Service. The presentations focus on practical issues in forest management and administration, especially in regional level. The education was arranged by Forest Service.

This presentation describes the work and methods of rationalizing forest work and forest management, and the organizations doing work studies. Examples of means to improve the effectivity of practical work are described.

  • Vöry, ORCID ID:E-mail:
article id 4604, category Article
E. J. Koskenmaa. (1951). Koneiden käyttö tie- ja uittoväylärakennuksilla. Silva Fennica no. 69 article id 4604. https://doi.org/10.14214/sf.a14000
English title: Use of machines in construction of roads and floating channels.

Silva Fennica Issue 69 includes presentations held in 1948-1950 in the fourth professional development courses, arranged for foresters working in the Forest Service. The presentations focus on practical issues in forest management and administration, especially in regional level. The education was arranged by Forest Service.

This presentation discusses opportunities to increase the use of working machines, such as tractors, in construction of roads and floating channels, which have been little used in Finland. The presentation summarizes the machines available and their use based on experiences in Sweden.

  • Koskenmaa, ORCID ID:E-mail:

Register
Click this link to register for Silva Fennica submission and tracking system.
Log in
If you are a registered user, log in to save your selected articles for later access.
Contents alert
Sign up to receive alerts of new content
Your selected articles

Committee on Publication Ethics A Trusted Community-Governed Archive