Essays about: "tremula"

Showing result 21 - 25 of 41 essays containing the word tremula.

  1. 21. Subcellular localization of a Netrual Invertase from hybrid aspens (Populus tremula x tremuloides)

    University essay from SLU/Dept. of Forest Genetics and Plant Physiology

    Author : Marcus Andersson; [2014]
    Keywords : developing wood; localization; hybrid aspen; localization; Neutral Invertase; populus;

    Abstract : 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

  3. 22. Comparison of tree cavity abundance and characteristics in managed and unmanaged Swedish boreal forest

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Sophie Michon; [2014]
    Keywords : birds; boreal forest; forest management; tree cavities; tree holes;

    Abstract : Tree cavities are major components of the forest ecosystem worldwide as they are required substrate for a large number of species (including nesting and roosting birds, mammals, fungi, and insects). The present study aimed to provide new knowledge on cavity density and cavity tree characteristics in the Swedish boreal zone where only little information exists on this subject. READ MORE

  4. 23. Överlevnad, skador och höjdutveckling 1-2 år efter plantering i södra Sverige : tall, gran, björk, hybridasp och poppel

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Olof Burström; Oskar Olsson; [2014]
    Keywords : Pinus sylvestris; Picea abies; Betula pendula; Populus tremula x Populus tremuloides; Populus maximowiczii x Populus trichocarpa; ungskogsgödsling;

    Abstract : Kravet på användning av förnyelsebara energikällor ökar, år 2020 ska de stå för 50 % av all energianvändning. För att öka utbudet av skogsbränsle och utveckla bränslekedjan i hållbar riktning måste ny kunskap och teknik utvecklas för intensivodling av snabbväxande trädslag på skogsmark. READ MORE

  5. 24. Short-term effects of controlled conservation burning

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Vytautas Rindzevičius; [2014]
    Keywords : forest; forest fire; burning; nature conservation; conservation; Sweden; fenoscandia; Norway spruce; Scots pine; aspen; Picea abies; Pinus sylvestris; Populus tremula; Betula; vegetation; trees; tree shoots; follow-up; followup; boreal; boreal forest; ekology; skog; skogsbrand; brand; bränning; naturvård; bevarande; Sverige; fenoscandia; gran; tall; asp; Picea abies; Pinus sylvestris; Populus tremula; Betula; vegitation; träd; trädskott; trä skott; upfäljning; followup; boreal; boreal skog; ekologi;

    Abstract : In this study, the immediate and short term (three months) effects of conservation burning have been investigated in coniferous forests in southeastern Sweden. Five tree species were investigated Picea abies (Norway spruce), Pinus sylvestris (Scots pine), Populus tremula (aspen), Betula pendula (silver birch) and Betula pubescens (downy birch), as well as ground vegetation of mosses, dwarf shrubs and ground lichens. READ MORE

  6. 25. Genetic control of spring phenology in Populus tremula L. : Looking for local adaptation in a set of candidate genes in the SwAsp collection.

    University essay from Institutionen för ekologi, miljö och geovetenskap

    Author : Kim Lindgren; [2013]
    Keywords : ;

    Abstract : .... READ MORE