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Life-history evolution of coexisting Drosophila species in a heterogeneous environment
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Supervisors:
Fieldwork in Panama Granted by WOTRO . |
Project outline
Evolutionary biologists have only just begun to relate variation in the life-history of organisms to properties of the environment and the communities in which they live. We will study Drosophila communities from a number of different habitats in central Panama in order to combine an ultimate understanding of phenotypic life-history variation in the field with a rigorous mechanistic understanding of the genetics that underlie it. Our study involves both among and within species variation, and therefore we expect to be able to gain insights about the evolutionary time scales at which genetic correlations and other types of constraints/trade-offs are relevant, and to assess to what extent genetical correlations pose barriers to ecological optimization. We will also use our data to evaluate theory on the relationship between life-history variation and community structure in heterogeneous environments, aiming at an explanation of community-level patterns from the traits that natural selection is shapingPublications published:
- Chapter 3 to 5 in:
Kim van der Linde (2005). Testing Drosophila life-history theory in the field. Ph.D. thesis.
- Kim van der Linde, Paul M. Brakefield, Jacques J. M. van Alphen & Bas J. Zwaan. Explaining differences in genetic correlations between environments.
- Kim van der Linde, Paul M. Brakefield, Jacques J. M. van Alphen & Bas J. Zwaan. Life-history patterns in Panamanian Drosophila species from three different habitats.
Presentations given:
- Januari 2005
Presentation: "Drosophila levensloop theorie getest in het veld: locale aanpassing in lichaamsgrootte, ontwikkelingstijd en hongerresistentie." Leken praatje Leiden University voorafgaand aan openbare verdediging proefschrift.
- April 2004
Presentation: "Testing Drosophila life-history theory in the field." Florida State University, Tallahassee, Florida, USA. - November 2003
Presentation: "Interspecific variation in genetic correlations in Drosophila." 3rd Annual Dutch fly meeting, Utrecht, The Netherlands. - August 2003
Presentation: "Genetic differences on a local scale." IXth congress of the European Society for Evolutionary Biology, Leeds, United Kingdom. - November 2002
Presentation: "Measuring starvation resistance in the field?" Stress symposium at Rønbjerg, University of Århus, Denmark. - January 2002
Presentation: "Deforestation and local adaptation of life-history traits." Verwey-PhD meeting, Texel, the Netherlands.