Sökning: "Kristina Samuelsson"

Hittade 2 avhandlingar innehållade orden Kristina Samuelsson.

  1. 1. Mechanisms structuring the pelagic microbial food web : Importance of resource and predation

    Författare :Kristina Samuelsson; Agneta Andersson; Christiane Lancelot; Umeå universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Ecology; pelagic microbial food web; bacteria; flagellates; ciliates; phytoplankton; mixotrophy; nutrient status; predation limitation; resource limitation; Baltic Sea; Ekologi; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi;

    Sammanfattning : Temporal and spatial variations of pelagic microorganisms in the northern Baltic Sea were studied, as well as factors influencing their abundance and growth rates. Three main questions were asked 1) How does increased productivity influence the structure of the microbial food web? 2) Does predation limitation vary between trophic levels? 3) What is the relative importance of resource and predation limitation at different trophic levels?A field study in the northern Baltic Sea showed that dominating protozoa, flagellates and ciliates, increased with increasing primary productivity from north to south. LÄS MER

  2. 2. Planering och genomförande av undervisning i förskolan – exemplen teknik och bildskapande : Planning and implementing teaching in preschool – the examples of technology and art making

    Författare :Kristina Melker; Göteborgs universitet; Göteborgs universitet; Gothenburg University; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; förskola; undervisning; samarbete; bildskapande; estetik; sociokulturellt perspektiv; preschool; teaching; collaboration; scaffolding; sustained shared thinking; children; art making; aesthetics; sociocultural perspective;

    Sammanfattning : Since 2010, teaching has been one of the preschool teacher’s tasks in Sweden. Preschool teaching is often discussed and has been addressed from different perspectives (Eidevald & Engdahl, 2018; Sheridan & Williams, 2018; Thulin & Jonsson, 2018). LÄS MER