Search for dissertations about: "solitary bee"
Found 4 swedish dissertations containing the words solitary bee.
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1. To Bee or Not to Be : Critical Floral Resources of Wild-Bees
Abstract : In recent decades, the development of strategies to prevent or slow the loss of biodiversity has become an important task for ecologists. In most terrestrial ecosystems wild-bees play a key role as pollinators of herbs, shrubs and trees. The scope of this thesis was to study 1) pollinator effectiveness of specialist bees vs. READ MORE
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2. Insect Diversity in Changing Landscapes
Abstract : During recent decades, concern about the loss of biodiversity has increased. To change this negative trend there is an urgent need for effective conservation measures and there are ample evidence that conservation of organisms without an understanding of their ecology and behaviour is impossible. READ MORE
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3. Bees and wasps (Aculeata) in young boreal forests
Abstract : In Sweden, forest stands younger than 15 years constitute more than 10% of the total forest area. The aims of the research described in this thesis were to investigate how bees and wasps (Aculeata) use young boreal forests as nesting and feeding grounds. Aculeates are sun-loving creatures and do not thrive in closed forest stands. READ MORE
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4. The visual ecology of bees - Tales of diverse eyes and behaviours
Abstract : The buzzing flight of bees is a popular summer hit. Yet, outside of a few familiar species of honeybees and bumblebees, these fantastic little creatures are still mostly unknown. With about twenty-five thousand species, bees are a very diverse group. They can be found in drastically different habitats. READ MORE
