Search for dissertations about: "established niche"
Showing result 1 - 5 of 31 swedish dissertations containing the words established niche.
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1. Genetic variation, clonal diversity and breeding system in sedges (Carex)
Abstract : In this thesis I investigate genetic variation in clonal plants within the wind-pollinated plant family Cyperaceae and, in particular, in species of Carex. Clonal diversity and the spatial distribution of clones (genets) within populations was investigated in Carex bigelowii (in Iceland and Scandinavia) and C. READ MORE
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2. Understanding the role of bone marrow niche in myeloid malignancies
Abstract : Normal hematopoiesis is generated and maintained by rare hematopoietic stem cells (HSCs) through their capacity to self-renew and differentiate. This process is rigorously controlled, both by HSC-intrinsic molecular programs and extrinsic signals emitted by the local bone marrow (BM) microenvironment, the so-called HSC niche. READ MORE
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3. Shaping sustainable food systems : Local participation in addressing global challenges
Abstract : The current unsustainable trajectory of food systems puts the social and ecological processes and functions on which human flourishing depends at risk. This last decade has seen, on one hand, continued insistence on transformative action and on the other, uncertainty and instability with respect to traditional, established institutions, such as the state. READ MORE
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4. Novel insights into protist diversity and niche adaptation using single cell transcriptomics
Abstract : Protists are a polyphyletic group of microbes that represents the vast majority of eukaryotic diversity. Despite this, most sequencing efforts targeting eukaryotes have been focused on animals, fungi and plants. READ MORE
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5. New Tides in Shipping : Studying incumbent firms in maritime energy transitions
Abstract : Shipping is a cornerstone of global transportation responsible for moving large volumes of traded goods. At the same time, negative environmental impacts of shipping operations have attracted growing concerns. READ MORE