Search for dissertations about: "birds"
Showing result 16 - 20 of 331 swedish dissertations containing the word birds.
-
16. Integrative taxonomy of birds : Studies into the nature, origin and delimitation of species
Abstract : Species are the basic currency in biodiversity studies but what constitutes a species has long been controversial. A major breakthough was the insight that most systematists agree that species are segments of population lineages, and that multiple lines of evidence should be employed and integrated, a procedure called integrative taxonomy. READ MORE
-
17. Birds and butterflies at the forest-farmland interface
Abstract : Land-use change is one of the greatest threats to biodiversity. Through intensification of land-use, the agricultural landscape has become more homogenous and a result, many species associated with traditional farmland or other semi-natural open habitats have declined. READ MORE
-
18. Importance of wild birds in the spread of Salmonella
Abstract : Salmonella is one of the most important enteropathogenic bacteria. It is responsible for about 5000 reported cases of human gastroenteritis each year in Sweden. Salmonellosis is a zoonotic disease, and the bacterium has the ability to infect a variety of both domestic and wild animal species. READ MORE
-
19. In the wake of a bird - Quantifying aerodynamic performance of avian flight
Abstract : Flight is an expensive form of locomotion, but also offers the ability to travel great distances at relatively low cost. Birds have developed various adaptations for optimizing flight performance. The main aim of this thesis is to identify how morphological variables in birds affect aerodynamic drag and flight performance. READ MORE
-
20. Magnetic orientation in migratory birds
Abstract : My thesis focuses on magnetic orientation in migratory birds, i.e. how they can perceive information from the Earth’s magnetic field and use it for orientation. READ MORE
