Search for dissertations about: "Spruce Picea abies"

Showing result 1 - 5 of 152 swedish dissertations containing the words Spruce Picea abies.

  2. 1. Genetic diversity and differentiation in natural and managed stands of Norway spruce (Picea abies)

    Author : Helena Eklöf; Pär K. Ingvarsson; Xiao-Ru Wang; Carolina Bernhardsson; Katri Kärkkäinen; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Norway spruce; Picea abies; forestry; genetic diversity; seed orchards; forest management; WGS; GBS; sequencing; PoolSeq; capture probes; genetic differentiation;

    Abstract : Being one of Sweden’s most important tree species, both as a keystone species and for the forest industry, it is important that we keep our stands of Norway spruce (Picea abies (L.) Karst.) as healthy as possible. READ MORE

  4. 2. Neutral and Adaptive Processes Shaping Genetic Variation in Spruce Species

    Author : Michael Stocks; Martin Lascoux; Renaud Vitalis; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; spruce; population genetics; adaptation; evolution; picea; approximate bayesian computation; cline;

    Abstract : Population genetic analyses can provide information about both neutral and selective evolutionary processes shaping genetic variation. In this thesis, extensive population genetic methods were used to make inferences about genetic drift and selection in spruce species. READ MORE

  5. 3. Spiral Grain in Norway Spruce

    Author : Harald Säll; Thomas Thörnqvist; Rolf Birkeland; Växjö universitet; []
    Keywords : Spiral grain angle; drying deformation; warp; wood quality; Norway spruce; Picea abies; FORESTRY; AGRICULTURAL SCIENCES and LANDSCAPE PLANNING; SKOGS- och JORDBRUKSVETENSKAP samt LANDSKAPSPLANERING;

    Abstract : Wood is a major construction material that is used in many contexts, and for different purposes. Serious problems may arise, however, when moisture related deformations as twist occur in wood used in different types of building structures, joinery and furniture. READ MORE

  6. 4. A forest dark : an evolutionary history of Norway spruce

    Author : Alexis R. Sullivan; Xiao-Ru Wang; Nathaniel Street; María Rosario García-Gil; Bengt Oxelman; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; phylogenetics; genome assembly; recombination; Picea; hybridization; mitogenome; Norway spruce; phylogeography; phylogenetic networks; plastome;

    Abstract : Embedded within the relationships among species is a dense forest of gene trees, each with a potentially unique and discordant history. Such widespread genealogical heterogeneity is expected, but embracing this hierarchy of discordance while reconstructing the histories of populations and species remains a major challenge. READ MORE

  7. 5. The art of transcriptome reconstruction : with applications in Picea abies (L.) H. Karst

    Author : Karl Johan Westrin; Olof Emanuelsson; Henric Zazzi; Lukas Käll; Jens Sundström; Jarkko Salojärvi; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; transcriptome reconstruction; transcriptome assembly; transcript isoform detection; Picea abies; acrocona; cone setting; differential expression; gene families; miRNA; quality assessment; transkriptomrekonstruktion; sammansättning av transkriptom; detektering av transkriptisoform; rödgran; kottegran; kottsättning; differentiellt uttryck; genfamiljer; kvalitetsutvärdering; miRNA; Biotechnology; Bioteknologi;

    Abstract : Transcriptome reconstruction is an important component in the bioinformatical part of transcriptome studies. When a reference genome is missing, highly fragmented or incomplete, a de novo transcriptome assembly is the transcriptome reconstruction approach of choice, since in such situations, a simple alignment (or mapping) would not necessarily give all theinformation concerning splice junctions, isoforms or even the full extent of the gene. READ MORE