Search for dissertations about: "Dytiscidae"
Showing result 1 - 5 of 7 swedish dissertations containing the word Dytiscidae.
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1. Evolution of the Biodiversity Hotspot of Madagascar from the Eye of Diving Beetles : Phylogeny, colonization and speciation
Abstract : Dytiscidae, contains numerous endemic and non-endemic species on Madagascar. Their evolutionary history is largely unknown on the island. Herein, I use analyses to infer phylogenetic relationship among groups of diving beetles, with a focus on the subfamily Dytiscinae and endemic species in two other groups of Dytiscidae. READ MORE
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2. Mating strategies and sexual conflicts in aquatic invertebrates: consequences for evolutionary differentiation
Abstract : In this thesis I investigated how mating related strategies may differ among populations and how these strategies evolve in response to their local ecological environments. I have used two different study systems of aquatic invertebrates: diving beetles (Dytiscidae) and the fresh water isopod Asellus aquaticus. READ MORE
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3. The importance of wetlands for biodiversity in agricultural and urban landscapes
Abstract : The aim in this thesis was to study the importance of different types of wetlands for the biodiversity in a landscape. The landscapes were both agricultural and urban, and wetlands were in different successional stages. Diving beetles (Dytiscidae) were used as study organisms. READ MORE
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4. Taxonomy, phylogeny, and secondary sexual character evolution of diving beetles, focusing on the genus Acilius
Abstract : Sexual conflict can lead to antagonistic coevolution between the sexes, but empirical examples are few. In this thesis secondary sexual characters in diving beetles are interpreted in the light of sexual conflict theory. READ MORE
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5. Mosquitoes as a Part of Wetland Biodiversity
Abstract : Wetlands contain both aquatic and terrestrial environments which generates high biodiversity. However, they are commonly associated with mosquitoes (Diptera: Culicidae), and mosquitoes are usually regarded as negative by humans because they can cause nuisance and transmit diseases. READ MORE