Sökning: "birds"
Visar resultat 6 - 10 av 342 avhandlingar innehållade ordet birds.
6. The birds in the Iliad. Identities, interactions and functions
Sammanfattning : As the topic of this study embraces and entwines what is routinely divided into two separate categories, “nature” and “culture”, the birds in the Iliad challenge modern scientific division and in some ways, our thinking. They are simultaneously birds, signs and symbols. LÄS MER
7. Role of birds in the biology of Lyme disease Borrelia
Sammanfattning : Lyme disease is a tick-transmitted illness caused by Borrelia burgdorferi sensu lato (s.l.), a group of spirochetes with at least three human pathogenic species, B. burgdorferi sensu stricto, B. LÄS MER
8. On Speciation in Birds – Genomic Signatures across Space and Time
Sammanfattning : The process of speciation is a cornerstone in evolutionary biology. In Darwin’s On the Origin of Species, he described how he imagined that a new species would evolve to fill an empty niche. This focus on ecology shifted with Mayr towards the importance of isolation, and for many decades the geographic modes of speciation were debated. LÄS MER
9. Spatial Vision in Birds: Anatomical investigation of spatial resolving power
Sammanfattning : Avian eyes are big both in relative and absolute terms, thus the importance of vision to birds is obvious. Even though the general eye plan is rather conservative throughout the group, there is a great variation in visual capabilities. LÄS MER
10. Eggshell thickness and levels of DDT, PCB and mercury in eggs of osprey [Pandion haliaetus (L.)] and marsh harrier [Circus aeruginosus (L.)] in relation to their breeding success and population status in Sweden
Sammanfattning : .... LÄS MER
