Current issue: 53(2)

Under compilation: 53(3)

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

Category: Article

article id 7247, category Article
Erkki Laitakari. (1929). Über die Fähigkeit der Bäume sich gegen Sturmgefahr zu schützen. Acta Forestalia Fennica vol. 34 no. 34 article id 7247. https://doi.org/10.14214/aff.7247
English title: The capability of trees to protect themselves against storms.

The article discusses the adaptation mechanisms of the trees against storms or stormy winds. Two main aspects are revealed: the adjustments of stem and crone and the adjustments of the root system.

The shorter the stem the lower the danger of windfall or windbreak. The wind load of a tree depends on where it is situated; on the open field the wind is much stronger than in closed stand. The tree adjusts its height on the situation: where the wind load is high the trees remain smaller. A tree adjusts its crone also depending on the wind. The branches of spruce are relatively thin and very flexible. An alone standing trees have a flat or umbrella-like crone. Trees with a deep-going main root (tap root) are best protected against windfalls. When there is no tap root, the horizontal roots need to strengthen to offer the needed support.

The protection from windfalls is an important question in the practical forestry. Knowing the factors affecting the wind tolerance of a tree the forest management can be planned to support them.  

The volume 34 of Acta Forestalia Fennica is a jubileum publication of professor Aimo Kaarlo Cajander.

  • Laitakari, ORCID ID:E-mail:
article id 7211, category Article
Erkki Laitakari. (1929). Die Wurzelforschung in ihrer Beziehung zur praktischen Forstwirtschaft. Acta Forestalia Fennica vol. 33 no. 2 article id 7211. https://doi.org/10.14214/aff.7211
English title: Research on roots on their relationship to practical forestry.

The growth of a tree or a forest stand can be only fully understood when the form, encroachment and development of the root s in different environments are known. Research on roots has already yielded in practical silvicultural improvements and the purpose of this study is to discuss different factors about the roots.  

The literature review deals with the depth of root system, extent of it, the relation between root system and the soil structure, the form and volume of roots and the phenomenon where roots from several tree individuals grow together.

The PDF contains the article also in Finnish.   

  • Laitakari, ORCID ID:E-mail:
article id 5612, category Article
Gregory S. Amacher. (1997). The design of forest taxation: A synthesis with new directions. Silva Fennica vol. 31 no. 1 article id 5612. https://doi.org/10.14214/sf.a8513

In this paper, different approaches and results concerning forest tax design are reviewed. In particular, comparisons are made between Scandinavian approaches, which rely on the two-period model, and North American approaches, which largely rely on the Faustmann model. Existing work is critically evaluated according to several stylized facts that are common among forest taxation problems. These include the second-best forest policy environment, joint production of public and private forest goods, the dynamic nature of forest capital, public and private ownership, competition between forest and non-forest sectors, and global policy constraints on taxation design. The gaps in addressing stylized facts are used to motivate new research directions. Problems and appropriate public finance literature are identified for investigating forest tax policy under government budget constraints, fiscal federalism, dynamic forest tax design, open economy forest tax policy, and econometric studies of reform. One conclusion reached from discussing future research is that two period and dynamic models will continue to prove useful in analysing taxation design from the government's perspective.

  • Amacher, ORCID ID:E-mail:

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