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Visar resultat 1 - 5 av 49 avhandlingar som matchar ovanstående sökkriterier.
1. Sexual conflict and selection on pistil and pollen traits
Sammanfattning : The incidence of sexual selection in plants is today acknowledged, however, just as in animals, evolution and maintenance of mate choice is gravely underexplored. Moreover, the potential for sexual conflicts to occur in plants has only been assessed empirically to a very limited degree. LÄS MER
2. Indirect Exploitation of Intellectual Property Rights By Corporations and Investors: IP Privateering & Modern Letters of Marque & Reprisal
Sammanfattning : Competitive pressures and rent-seeking behaviors have motivated companies and investors to develop indirect techniques for beneficially exploiting third-party intellectual property rights (IPRs) that qualitatively depart from the slate of direct exploitation tools whose usage has been honed during the past 30 years of the pro-patent era. Companies have increasingly realized that they do not need to create IPRs themselves to exploit them beneficially, which has been the conventional usage pattern. LÄS MER
3. Evaluation of an educational program on depressive disorders given to general practitioners on Gotland : Short and long-term effects
Sammanfattning : In the years 1983-1984, the Swedish Comittee for the Prevention and Treatment of Depression (PTD) offered an educational program to all general practitioners (GP:s) on the Swedish island of Gotland. 1982 was used as a baseline year. An evaluation of the short-term effects was made continuously until 1985. LÄS MER
4. Sexual selection in the collared flycatcher (Ficedula albicollis) : A life-history perspective
Sammanfattning : 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. LÄS MER
5. Land use GHG emissions and mitigation options, simulated by CoupModel
Sammanfattning : Climate change and greenhouse gas (GHG) emissions are one of the major challenges to the humankind of 21st Century. This thesis focuses on understanding, estimating and suggesting mitigation of the GHG emissions (mainly N2O and CO2) from the land use sector, specifically from forest ecosystems on drained peatlands but also from willow production on agricultural clay soil. LÄS MER