Sökning: "potential trade-off"

Visar resultat 6 - 10 av 144 avhandlingar innehållade orden potential trade-off.

1. 6. Plant-Herbivore Interactions and Evolutionary Potential of Natural Arabidopsis lyrata Populations

   Författare :Adriana Puentes; Jon Ågren; Jenny Hagenblad; Roosa Leimu Brown; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; plant defenses; leaf herbivory; floral herbivory; ontogeny; G-matrix; trade-offs; Biology with specialization in Ecological Botany; Biologi med inriktning mot ekologisk botanik; Biology with specialization in Evolutionary Genetics; Biologi med inriktning mot evolutionär genetik;

   Sammanfattning : In this thesis, I combined field, greenhouse and common-garden experiments to examine the ecological and evolutionary consequences of plant-herbivore interactions and the genetic architecture of fitness-related traits in the insect-pollinated, self-incompatible, perennial herb Arabidopsis lyrata. More specifically, I examined (1) whether damage to leaves and inflorescences affects plant fitness non-additively, (2) whether trichome production is associated with a cost in terms of reduced tolerance to leaf and inflorescence damage, (3) whether young plant resistance to a specialist insect herbivore varies among populations, and (4) whether the evolution of flowering time, floral display and rosette size is constrained by lack of genetic variation or by genetic correlations among traits. LÄS MER

3. 7. Towards Dense Air Quality Monitoring : Time-Dependent Statistical Gas Distribution Modelling and Sensor Planning

   Författare :Sahar Asadi; Achim Lilienthal; Amy Loutfi; Dominque Martinez; Örebro universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; mobile robot olfaction; time-dependent gas distribution modelling; temporal sub-sampling; sensor planning; artificial potential field; gas monitoring;

   Sammanfattning : This thesis addresses the problem of gas distribution modelling for gas monitoring and gas detection. The presented research is particularly focused on the methods that are suitable for uncontrolled environments. LÄS MER

4. 8. Empirical Essays in Financial Economics

   Författare :Holger-Johannes Breckenfelder; Handelshögskolan i Stockholm; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

   Sammanfattning : Competition between High-Frequency Traders, and Market Quality. This is the first empirical evidence on the competition between high-frequency traders (HFTs) and its influence on market quality. My findings suggests what when HFTs compete for traders their liquidity consumption increases. LÄS MER

5. 9. Performance Studies of Fault-Tolerant Middleware

   Författare :Diana Szentiványi; Simin Nadjm-Tehrani; Petru Eles; Linköpings universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Programming; aspect-oriented programming; software engineering; distribution transparently; Common Object Request Broker Architecture COBRA ; algorithm; Computer science; Datavetenskap;

   Sammanfattning : Today’s software engineering and application development trend is to take advantage of reusable software. Much effort is directed towards easing the task of developing complex, distributed, network based applications with reusable components. To ease the task of the distributed systems’ developers, one can use middleware, i.e. LÄS MER

7. 10. Windows and blinds selection for enhancing subjective well-being

   Författare :Elaheh Jalilzadehazhari; Jimmy Johansson; Krushna Mahapatra; Peter Johansson; Myriam Aries; Linnéuniversitetet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Subjective well-being; perceived control; controllability; analytical hierarchy process; non-dominated sorting genetic algorithm-II; Byggteknik; Civil engineering;

   Sammanfattning : Earlier studies in the context of windows and blinds selection have mostly tried to increase the awareness regarding various effects of windows and blinds selection on subjective well-being, including their effect on visual comfort, thermal comfort, energy consumption and life cycle cost. However, the main problem is the potential conflicts between visual comfort, thermal comfort, energy consumption and life cycle cost. LÄS MER