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Eutrophication and contaminants in aquatic ecosystems
Eutrophication and persistent pollutants are two of the main environmental problems in European marine and freshwater ecosystems. As they tend to co-occur, interactive processes between eutrophication and contaminants are suggested, that may lead to environmental effects that cannot be predicted from each process alone. In order to predict the consequences of remedial measures (changing the input
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Phosphorus Release by Fish in Relation to External and Internal Load in a Eutrophic Lake
Digital reglering av klimatprocesser
Behovet av klimatreglering har ökat kraftigt sedan 1960-talet. Ett av skälen till detta är den ändrade byggtekníken, som innebär lättare konstruktioner med större inre värmebelastning från belysning, maskiner, personer och solinstrålning genom stora fönsterytor. De ökade värmebelastningarna kan klaras av med ett flertal olika klimatsystem. Dessa system kräver någon form av reglering. Under 1970-ta
Measuring Professional Judgements: An Application of the Factorial Survey Approach to the Field of Social Work
The focus on this thesis is the factorial survey approach as a method for studying professional judgements in social work. The factorial survey approach, which was first introduced in the social sciences around the beginning of the 1980s, constitutes an advanced method for measuring human judgements of social objects. At the general level, this quasi-experimental approach involves presenting respo
Carbon and phosphorus regulating bacterial metabolism in oligotrophic boreal lakes
Population Genetic Structure of a Microalgal Species under Expansion.
Biological invasions often cause major perturbations in the environment and are well studied among macroorganisms. Less is known about invasion by free-living microbes. Gonyostomum semen (Raphidophyceae) is a freshwater phytoplankton species that has increased in abundance in Northern Europe since the 1980's and has expanded its habitat range. In this study, we aimed to determine the genetic popul
Investigation and Comparison of Multi Cylinder Partially Premixed Combustion Characteristics for Diesel and Gasoline Fuels
Characterization of MHC-I in the blue tit (Cyanistes caeruleus) reveals low levels of genetic diversity and trans-population evolution across European populations
Cultural identity? The Middle Neolithic Pitted Ware complex in southern Scandinavia
Reflection and transmission properties of a wall-floor building element: comparison between finite element model and experimental data.
Mercury in a Boreal Forest Stream - Role of Historical Mercury Pollution, TOC, Temperature, and Water Discharge
Transposable Elements in Neural Progenitor Cells
Popular Abstract in English In an organism the DNA contains the entire biological information that is needed to be able to exist and function. Those segments, also known as DNA sequences are a genetic code, which is further packaged into units called genes. The entity of all genes is called genome. Today we know, that only a small proportion of genes encode for proteins, which are responsible for More than 90% of DNA does not code for proteins and for a long time these sequences were referred to as “junk DNA” due to their unknown purpose. With the advent of new technologies it is now known, that the non-coding part of the genome is of great importance for regulating gene expression and is therefore indispensable. Transposable elements comprise about 50% of the genome and co-exist as symbio