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Fungi diversity in Swedish forests: impact of site quality on standing volume and variability in forest growth

Listed author(s):
  • Amuakwa-Mensah, Franklin

    ()

    (Department of Economics, Swedish University of Agricultural Sciences)

  • Gren, Ing-Marie

    ()

    (Department of Economics, Swedish University of Agricultural Sciences)

The impact of biodiversity on forest ecosystem function and provision of ecosystem services has been investigated by many studies, but not the stability in these impacts. This paper calculates the effect of a fungi indicator, forest site quality, on standing volume and variability in forest growth in different forest regions in Sweden. We account for management practices, make use of time series data for a period of approximately 50 years, and estimate forest growth functions totally and for different regions in Sweden. Uncertainty is calculated as the conditional variance in forest growth rate, and the biodiversity indicator together with management practices are used as explanatory variables. Fully modified OLS is used to account for serial correlation and non-stationarity in the variables. The results show that the fungi diversity indicator adds positively to forest growth and growth rate, but increases uncertainty in the growth rate.

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Paper provided by Department Economics, Swedish University of Agricultural Sciences in its series Working Paper Series with number 2016:2.

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Length: 40 pages
Date of creation: 30 Jun 2016
Handle: RePEc:hhs:slueko:2016_002
Contact details of provider: Postal:
Department of Economics, Box 7013, Swedish University of Agricultural Sciences, SE-750 07 Uppsala, Sweden

Phone: 018-67 1724
Fax: 018-67 3502
Web page: http://www.slu.se/ekonomi

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