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In boreal and nemoboreal forests, tree frost hardiness is modified in reaction to cues from day length and temperature. The dehardening processes in Norway spruce, Picea abies, could be estimated to start when the daily mean temperature is above 5 degreesC for 5 days. Bud burst will occur approximately after 120-170 degree-days above 5 degreesC. dependent on genetic differences among provenances.
We discuss the tracing of star formation histories with ESAs spaceastrometry mission GAIA, emphasizing the advantages of AGB stars for thepurpose. GAIAs microarcsecond-level astrometry, multi-band photometryand spectroscopy will provide individual distances, motions,Teff, log g and [M/H for vast numbers of AGB stars in theGalaxy and beyond. Reliable ages of AGB stars can be determined t
Receptors of the 5-HT2C subtype are assumed to be involved in the influence of serotonin on food intake. A polymorphism in the coding region of the gene for this receptor, resulting in a cysteine to serine substitution, has been reported. Fifty-seven somatically healthy teenage girls displaying weight loss and 91 normal-weight girls of the same age, all recruited by means of a population-based scr
How to judge religions other than one’s own when facing a plurality of religions? The author makes a philosophical inquiry in two interconnected fields, linguistic undecidability and the necessity of making judgements. The central claim is that no stable centre for meaning can be established for linguistic entities. Even in cases where a stable centre of meaning would seem to be required, the auth
Abstract in UndeterminedCombining sludge hydrolysis with predenitrification is a promising method to remove nitrogen and decreased use of external carbon content in wastewater. The Klagshamn wastewater treatment plant plans to alter the primary settler into an in-line hydrolysis basin with subsequent predenitrification to reduce the nitrate load into the overstrained moving-bed biofilm reactor. A
Popular Abstract in Swedish Multipla infektioner med olika patogener eller olika stammar av en patogen är vanliga. Positiva eller negativa interaktioner (konkurrens respektive facilitering) mellan patogener som infekterar samma värd kan påverka förekomsten av enskilda patogener och därmed ha stor betydesle för förekomsten av en specifik sjukdom. I denna avhandling studerar jag två fästingburna bakMost animals will encounter several more or less severe infectious diseases during their lifetime, and simultaneous infections with more than one pathogen, or several different strains of the same pathogen, are common in natural populations. Ticks transmit a wide variety of different pathogens and can also be simultaneously infected with more than one pathogen. The possible interactions between di
The Aids pandemic and structural adjustment policies (SAP) have had effects on lower income households in Zimbabwe which have been devastating and people have been required to adapt their livelihood strategies. Small towns meahnwhile are growing rapidly in Zimbabwe and mobility towards these towns may be connected with the changes being forged by SAP on the economic landscape. This study seeks to
The recrystallization behavior of five starch materials, native waxy maize starch, and starches modified by acid hydrolysis and mechanical treatments, were investigated by DSC (differential scanning calorimetry) and electron microscopy (SEM). The starches were known to vary significantly in molecular weights but not in the degree of branching. Microspheres manufactured from one of these starches w
This doctoral dissertation has aimed to contribute to a modern theory of the firm that balances a disciplining view of the firm with an enabling view of the firm. This has been approached through exploring how corporate governance mechanisms influence entrepreneurship at the organisational level, in a frame of property rights. As such, the research model that guides the dissertation depicts a mode
Popular Abstract in Swedish Avhandlingens övergripande syfte var att under ett ettårigt nationellt projekt för utveckling av geriatrisk rehabilitering, Rehab Äldre 300, redogöra för förändringar av kvaliteten inom geriatrisk rehabilitering samt att beskriva denna utifrån administrativ-, personal- och vårdtagar-nivå. Vidare var syftet att under utvärderingsperioden beskriva förändringar av vårdtagaThe overarching aim of this thesis was to report changes in the quality of geriatric rehabilitation as perceived by administration, caregivers, and clients during a one-year period of a Swedish governmental venture of development in geriatric rehabilitation. Further aims were to describe changes in clients’ prevalence of symptoms, ADL dependence, subjective well-being in a one-year follow-up and t
