Essays about: "Populus tremula x Populus tremuloides"
Showing result 1 - 5 of 10 essays containing the words Populus tremula x Populus tremuloides.
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1. Comparison of native and introduced tree species in a range from low to high productivity sites in southern Sweden
University essay from SLU/Southern Swedish Forest Research CentreAbstract : The dilemma of climate change, biodiversity conservation and economic efficiency in nowadays forestry leads us to search for the new solutions. Introduction of non-native tree species becomes a more frequently explored field as a solution for the future problems. READ MORE
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2. Thermally modified hybrid aspen : adding value to fast growing broadleaved species in Northern Europe
University essay from SLU/Southern Swedish Forest Research CentreAbstract : This thesis is focused on thermal modification of hybrid aspen (Populus tremula L. x Populus tremuloides Michx.), its mechanical properties, wood defects and potential use in construction. In the recent years, wood as a building material has become increasingly popular. READ MORE
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3. Hybridaspens utveckling på skogsmark : en studie av bestånd planterade efter stormen Gudrun
University essay from SLU/Southern Swedish Forest Research CentreAbstract : Hybridaspen (Populus tremula x Populs tremuloides) har på grund av dess snabba initiala tillväxt en hög produktionspotential vilket har bekräftats i Södra Sverige, där tillväxtnivåer på 20m3sk per hektar och år under en 25-årig omloppstid har uppmätts. Samtidigt har trädslaget fördelaktiga egenskaper lämpliga till dissolvingmassa, ett massasortiment som nyttjas för vidare tillverkning av textilier, och som idag produceras vid Södra skogsägarnas massabruk i Mörrum. READ MORE
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4. Nutrient cycling by the herbivorous insect Chrysomela tremulae : Nutrient content in leaves and frass and measurements of ingestion, egestion and exuviation rates
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : Insect herbivory on forest canopies strongly affects ecosystem nutrient cycling and availability in a variety of ways, e.g. by changing the quantity, quality and timing of nutrient input to forest soils. READ MORE
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5. Subcellular localization of a Netrual Invertase from hybrid aspens (Populus tremula x tremuloides)
University essay from SLU/Dept. of Forest Genetics and Plant PhysiologyAbstract : Neutral Invertases are sucrose hydrolyzing enzymes whose role in plants remains to be understood. This thesis focuses on the subcellular localization of a neutral invertase from hybrid aspen (Populus tremula × Populus tremuloides), which shows increased transcript levels during secondary cell wall formation. READ MORE