Sökning: "Christer Wiklund"
Visar resultat 1 - 5 av 16 avhandlingar innehållade orden Christer Wiklund.
Sammanfattning : .... LÄS MER
Sammanfattning : Polyploidization has been suggested to be a common mechanism for plant speciation. Polyploidy is associated with changes in plant traits and altered habitat preference. LÄS MER
Sammanfattning : Competition over mating opportunities is a conspicuous characteristic of animal behaviour. In many butterfly species the males establish territories in places advantageous for encountering females. This thesis addresses questions about how territoriality has evolved and is maintained in butterflies. LÄS MER
Sammanfattning : In the green-veined white butterfly (Pieris napi), females obtain direct fitness benefits from mating multiply and studies have shown that fitness increases seemingly monotonically with number of matings. The reason is that at mating males transfer a large nutritious gift (a so called nuptial gift) to the females that the females use to increase both their fecundity and lifespan. LÄS MER
Sammanfattning : The thesis consists of two parts. One is directed towards municipal music schools, and one deals with music teacher education at university level. The purpose was to investigate the recruitment to these two educations, and to describe and explain how different student groups perceived and used their education. LÄS MER