Search for dissertations about: "dormancy"
Showing result 11 - 15 of 58 swedish dissertations containing the word dormancy.
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11. New insights into growth cessation and dormancy in trees
Abstract : Since trees are sessile they have evolved elaborate mechanisms that anticipate oncoming winter and allow the trees to withstand extreme changes in their environment. Trees need to stop growth and initiate cold hardiness well before cold temperatures become damaging, consequently the timings of growth cessation and dormancy are important adaptive traits for their ability to survive in harsh winter conditions. READ MORE
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12. Structural enzymology of dormancy related proteins from Mycobacterium tuberculosis
Abstract : Mycobacterium tuberculosis, the causative agent of tuberculosis, is one of the most lethal infectious agents affecting humans. The World Health Organisation estimates that about one-third of the world s population is infected with persistent mycobacteria and that tuberculosis accounts for approximately 2 million deaths annually. READ MORE
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13. Molecular analysis of growth cessation and dormancy in hybrid aspen
Abstract : Perennial plants such as trees living in temperate zones experience extreme changes in temperature during summers and winters. In order to survive, shoot apical and cambial meristem undergo a transition from active growth to dormant state, well in advance of winter onset. READ MORE
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14. Ecology and evolution of local adaptation in Arabidopsis thaliana
Abstract : In this thesis, I investigate the ecological genetics of local adaptation in the annual herb Arabidopsis thaliana with the aim to identify key traits, agents of selection, and genomic regions contributing to adaptive differentiation. The thesis focuses on adaptive differentiation in timing of germination and seed dormancy between populations located close to the southern and northern range margins in Europe. READ MORE
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15. Ecology of zooplankton communities: climate, dormancy, and benthic-pelagic coupling
Abstract : This thesis describes how influences, such as top down and bottom up forces, shape zooplankton communities in shallow lakes. I have also extended the traditional food-web theory by investigating the effects of climate on total biomass, taxonomic composition, and temporal properties of zooplankton communities. READ MORE