Search for dissertations about: "Environment ecology"
Showing result 1 - 5 of 339 swedish dissertations containing the words Environment ecology.
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1. Biodiversity in Agricultural Landscapes: Landscape and Scale-Dependent Effects of Organic Farming
Abstract : Declines in the distribution and abundance of many farmland species during recent decades have been attributed to agricultural intensification. Agri-environment schemes are commonly used in Europe to reduce this loss of farmland biodiversity, but their effectiveness may depend on several external factors. READ MORE
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2. Sexual selection in the collared flycatcher (Ficedula albicollis) : A life-history perspective
Abstract : This thesis integrates sexual selection theory with life history theory to elucidate the causes and consequences of variation in a male secondary sexual trait. The model organism, the collared flycatcher (Ficedula albicollis), was studied on Gotland, Sweden. READ MORE
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3. Molecular methods for microbial ecology : Developments, applications and results
Abstract : Recent developments in DNA sequencing technology allow the study of microbial ecology at unmatched detail. To fully embrace this revolution, an important avenue of research is the development of bioinformatic tools that enable scientists to leverage and manipulate the exceedingly large amounts of data produced. READ MORE
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4. Sex and symbionts : New discoveries in local and regional patterns of coral ecology and reproduction
Abstract : Coral reefs belong to the most diverse and the most threatened ecosystems on earth. Anthropogenic stressors and climate change have led to mortalities at levels unprecedented in modern times. The aims of this thesis are to investigate aspects of the corals’ ability to reproduce, disperse, adapt and survive. READ MORE
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5. Plumage Colours and the Eye of the Beholder : The Ecology of Colour and its Perception in Birds
Abstract : Virtually all diurnal birds have tetrachomatic vision based on four different colour receptors. As a result, birds are potentially able to perceive their environment in twice as many colours as humans and four times as many colours compared to most other mammals, which are dichromatic. READ MORE