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Dwarfs and giants: the dynamic interplay of size-dependent cannibalism and
competition
Claessen, D.
Publication date
2002
Link to publication
Citation for published version (APA):
Claessen, D. (2002). Dwarfs and giants: the dynamic interplay of size-dependent cannibalism
and competition. UvA-IBED.
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Curiculumm vitae
Davidd Claessen is born on June 27th 1972 in Leiderdorp. It is hot and there will be
fulll moon. His sister Anoesjka is on the beach with a neighbour. She is not happy
too find David was born without her, but her mood quickly improves with the new trainn Frans and Maria got for her. Two years later they all move to Lelystad. At the agee of four David attends the kindergarten 'De Roezemoes' where he meets one of hiss oldest, and probably least well-behaved of friends, Kasper. Other friends are Jan-Hein,, and Bas. In 1976 he goes on to elementary school 'De Klipper'. In 1980 Davidd gets Olga, the dog later to be mistaken for his sister. In 1984 he attends the SGLL (Scholengemeenschap Lelystad) highschool, where he re-unites with Kasper forr 4th, 5th and 6th grade. Together they crash a school-staff party. He takes the VWOO exams in the spring of 1990 and moves to Amsterdam in the summer to studyy Biology at the University of Amsterdam (UvA).
Att the UvA David meets his best friends Catelijne and Jeroen. The new circle off friends includes Ingrid, Selma and Friso and the six spend lots of time together. Inn 1991 things are going well regarding new (girl-)friend(s) and fun but, by con-trast,, the subjects of first year Biology at the UvA are disappointingly dull. Hoping forr more exciting issues, David enrolls on courses from the Mathematics depart-ment.. These prove to be duller and also require far more work than what David's sociall life actually allows. He returns to Biology. His growing enthusiasm for the-oreticall ecology largely compensates for sedating cell physiology matters and, in
1993,, David develops a research study in theoretical biology supervised by Andre dee Roos. This fruitful interaction leads to David's first paper, "Evolution of viru-lencee in a host-pathogen system with local pathogen transmission".
Thee possibility that David will ever work as an experimental biologist is put firmlyfirmly aside in 1995 following a few months of field research in Norway, under the supervisionn of Lauri Oksanen (Umea Universitet). The title of David's report of thiss experience, "The role of mustelid predators in population dynamics of voles andd lemmings on the fennoscandian tundra", is deceiving in the use of the plural formm of the words 'vole' and 'lemming'. Crucially to David's decision to abandon experimentall biology, the lemming in question is actually spotted by Catelijne duringg a visit to the field site.
Inn the spring of 1996 David obtains his MSc. In August 1996 he moves to Umea,, Sweden, to work in Lennart Persson's lab as a 'forskningsamanuens'. His PhDD project, to study the effect of ecological interactions in the dynamics of
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ologicallyy structured fish populations, develops from the insight gained by working togetherr with the group of fishy experimental biologist in Lennart's lab. In 1997 thee UvA awards David with a PhD scholarship ('bursaal') and his supervisors are Andree and Lennart. In 1999 David formally becomes an 'aio'. He participates in thee YSSP program in the summer of 2000 at HAS A, Austria. With Ulf Dieckman andd Hans Metz's adaptive dynamics group he gains the knowledge required to ex-ploree the evolutionary consequences of the ecological mechanisms he is studying.
Inn September 2001 David's post-doc project begins at the Institute of Arable Cropss Research, at Rothamsted, United Kingdom. His project, together with Frank vann den Bosch and Chris Gilligan, concerns the assessment of the ecological risk underlyingg the use of transgenic crops. In November 2001 he moves to London.
Publications s
D. Claessen and A. M. de Roos. Evolution of virulence in a host-pathogen systemm with local pathogen transmission. Oikos, 74: 401—413, 1995. D. Claessen, A. M. de Roos, and L. Persson. Dwarfs and giants: cannibalism
andd competition in size-structured populations. American Naturalist, 155 (2):: 219-237, 2000.
D. Claessen and U. Dieckmann. Ontogenetic niche shifts and evolutionary branchingg in size-structured populations. Evolutionary Ecology Research, 4:
189-217,2002. .
D. Claessen, C. van Oss, A. M. de Roos, and L. Persson. The impact of size-dependentt predation on population dynamics and individual life history.
Ecology,Ecology, 83 (6), in press.
Manuscripts s
D. Claessen and A. M. de Roos. Bistability in a size-structured population modell of cannibalistic fish - a continuation study, (submitted to Theoretical
PopulationPopulation Biology).
D. Claessen and A. M. de Roos and L. Persson. Population dynamic theory off size-dependent cannibalism: a review, (in preparation)
