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Metoder för att undersöka effekterna av naturvårdshänsynen i skogsbruket efter den nya skogsvårdslagen
Linköping University, Department of Physics, Chemistry and Biology, Ecology . Linköping University.
2010 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

In 1994 a new Forestry Act was accepted in Sweden. One of its aims was to raise the consideration for preservation of biodiversity. Since this happened over 15 years ago there is now an interest in analyzing if the law has been effective in its purpose. In this study methods suitable for analysis are being investigated. The study contents a pilot study of methods for five parameters that can validate if the law has been followed. The fieldstudy were executed in Orsa, Dalarna, Sweden in a managed forest and where last clearcut was done after 1994. The work consisted of measuring the parameters in the field and to compare them with data from before 1994. The benefits of the parameters and the current and previous Forestry Act and their differences are discussed in the report. The parameters examined were the distribution of tree species, standing dead wood, smaller areas saved for preservation, big trees and trees with cavities/cavernous trees. All of these plus a few other variables favourable for the diversity of species in the forest are dealt with in the 30 § in the Forestry Act of 1994. The study implied that the variables reported to be favourable for biodiversity, and possible to investigate within the restrictions of this study, seemed to have increased. The results should however be interpreted with care since the study is small and the reference values sometimes were missing or covering larger areas than the field data.

Place, publisher, year, edition, pages
2010. , 20 p.
Keyword [en]
Forestry Act, consideration, preservation, biodiversity, pilot study, forest management
National Category
URN: urn:nbn:se:liu:diva-57275ISRN: LITH-IFM-G-EX--10/2341—SEOAI: diva2:329048
2010-05-31, Linköpings universitet, 15:30 (Swedish)
Agriculture, Veterinary Medicine, Forestry
Available from: 2010-08-02 Created: 2010-06-15 Last updated: 2011-03-24Bibliographically approved

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Svennar, Erica
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Ecology Linköping University

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