Search for dissertations about: "logging residues"
Showing result 16 - 20 of 26 swedish dissertations containing the words logging residues.
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16. Improving the efficiency of forest fuel supply chains
Abstract : Forest biomass has gained much interest as a resource for renewable energy production world-wide. In Sweden, easily accessible secondary forest fuels, such as by-products from the conventional forest industry, are today already fully utilised. READ MORE
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17. Acidification of Swedish forest soils : evaluation of data from the Swedish forest soil inventory
Abstract : Acidification of forest soils in Sweden has negatively affected nutrient status and caused toxic effects on biota. The aim of this thesis was to investigate potential impacts of two drivers of acidification of forest soils in Sweden: (1) tree growth with subsequent harvest and (2) deposition of sulphur and nitrogen compounds. READ MORE
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18. Forest biomass terminal properties and activities
Abstract : Primary residual forest biomass is an important source of energy in Sweden. The fuel quality of this biomass depends on several factors including its moisture content, ash content, and particle size distribution. READ MORE
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19. Biomass and stem volume estimates for valuable timber species in Mozambique
Abstract : Accurate aboveground biomass and stem volume estimates are crucial for the management of Mozambique's forests. This study focused on the development of aboveground biomass and stem volume equations for the three most valuable commercial timber species in Mozambique, Afzelia quanzensis Welm. (Chanfuta), Milletia stuhlmannii Taub. READ MORE
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20. Forest-Fuel Systems : Comparative Analyses in a Life Cycle Perspective
Abstract : Forest fuels can be recovered, stored and handled in several ways and these different ways have different implications for CO2 emissions. In this thesis, comparative analyses were made on different forest-fuel systems. The analyses focused on the recovery and transport systems. READ MORE