Sökning: "Dör"

Visar resultat 1 - 5 av 196 avhandlingar innehållade ordet Dör.

  1. 1. "Flottningen dör aldrig" : bäckflottningens avveckling efter Ume- och Vindelälven 1945-70

    Författare :Erik Törnlund; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; forestry work; timber floating; transport history; log driving; forest history; floatways; rivers; tributaries; Nothern Sweden; Economic history; Ekonomisk historia;

    Sammanfattning : The aim of this thesis has been to study and analyse in detail the process by which timber floating in tributaries was phased out. The region covered is that of the Ume and Vindel rivers and the period studied is 1945-70. The years I945-60 have been the most central to the analysis. LÄS MER

  3. 2. Jeg vil leve til jeg dør : Livslyst hos hjemmeboende kronisk sykeeldste eldre

    Författare :Aud Moe; Ove Hellzén; Ingela Enmarker; Mittuniversitetet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Dependency; oldest old; home; home nursing care; inner strength;

    Sammanfattning : One challenge in the Western world is the risk of functional impairmentand chronic disease accompanying older age. In Norway it is expected thatmost chronically ill older persons will continue to live at home and receivehelp from home nursing care. LÄS MER

  4. 3. Changes in gene expression during delayed neuronal death after cerebral ischemia in the rat

    Författare :Fredrik Kamme; Lund Wallenberg Neurocentrum; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; neuropsychology; Neurology; ischemia; brain; neuronal death; gene expression; neurophysiology; Neurologi; neuropsykologi; neurofysiologi;

    Sammanfattning : After transient global cerebral ischemia, selected populations of neurons in the brain will die after a period of 2-3 days, a phenomenon termed delayed neuronal death. This is of clinical importance as delayed neuronal death has been found to occur in humans as well. LÄS MER

  5. 4. Population and Community Dynamics in Variable Environments

    Författare :Jörgen Ripa; Evolutionär ekologi; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; dispersal; Moran effect; linear dynamics; synchrony; power spectrum; autocorrelation; extinction risk; population dynamics; environmental stochasticity; migration; stochastic modelling; Ecology; Ekologi;

    Sammanfattning : All natural populations fluctuate in space and time. These fluctuations are a result of internal dynamic processes, and of a variable environment. LÄS MER

  7. 5. The tempo and mode of evolution : a neontological reappraisal

    Författare :Melanie Monroe; Folmer Bokma; Pär Ingvarsson; Mikael Fortelius; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; birds; extinction; macroevolution; mammals; microevolution; punctuated equilibrium; speciation;

    Sammanfattning : The theory of “punctuated equilibrium” suggests that species evolve rapidly during or immediately upon speciation, “punctuating” long periods of little or no morphological evolution. Here I confirm that body size differences within clades of birds and mammals are best explained using a model of punctuated evolution. LÄS MER