Search for dissertations about: "Jonas Dahl"

Found 3 swedish dissertations containing the words Jonas Dahl.

  2. 1. The importance of predation in benthic stream communities

    Author : Jonas Dahl; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Ekologi; Ecology; invertebrate predators; vertebrate predators; Predation; streams;

    Abstract : There has been considerable debate whether or not predators has any significant effects on prey densities in streams. This thesis examines the importance of predation in stream communities. I have conducted both field and laboratory studies where I have studied how both vertebrate and invertebrate predators affects benthic prey. READ MORE

  4. 2. The problem-solving citizen

    Author : Jonas Dahl; Malmö högskola; []
    Keywords : Mathematics education; Problem solving; Equity; Upper secondary school; Curriculum;

    Abstract : The present thesis is made up by three articles and in all of these the mathematics curriculum for upper secondary school in Sweden is analysed. The main focus is the citizen and citizenship and the point of departure is problem solving as a competence. READ MORE

  5. 3. Mixed fuels composed of household waste and waste wood : Characterization, combustion behaviour and potential emissions

    Author : Mar Edo Giménez; Stina Jansson; Jonas Dahl; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; MSW; RDF; persistent organic pollutants; PCDD; PCDF; solid waste pre-treatment; torrefaction; food waste; contaminated wood;

    Abstract :    Incineration with energy recovery is the main disposal strategy for waste that cannot be reused or recycled, and a well-established source of energy in Europe, especially in Sweden where 2.2 Mtonnes of waste including domestic and imported municipal solid waste (MSW) and waste wood (WW) were combusted during 2015. READ MORE