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Simon Vitt

Simon_Vitt.jpg   Dipl.-Biol. Simon Vitt

PhD student

Phone:    +49 228 73 57 59
Fax:         +49 228 73 23 21

Research interest:

I finished my diploma study at the Institute for Evolutionary Biology and Ecology in April 2011. In my diploma thesis I investigated the role of UV-signals in a shoal-choice-context by using the three-spined stickleback (Gasterosteus aculeatus) as a model organism. Six populations originating from two different photic habitats located on the Outer Hebrides, Scotland, were used. The aim was to elucidate whether there was a difference in the use of UV-signals between turbid and clear lakes.

In my PhD thesis I will continue to investigate the influence of UV-light on different morphological, physiological and behavioural aspects using the three-spined stickleback. Short term effects, like phenotypic plasticity, as well as long-term genetic impacts will be evaluated by conducting mesocosm experiments. Due to the fact that much is already known about the beneficial effects of the ultraviolet waverange in visual communication, my center of interest will be the potential negative impacts of ultraviolet light. I will specifically investigate the interaction between increased temperature and UV-B radiation on reproductive traits in male sticklebacks thereby taking up consequences of global climate change.

  • Vitt, S., Rahn, A. K., Drolshagen, L., Bakker, T. C. M., Scharsack, J. P. & Rick, I. P. (2017). Enhanced ambient UVB light affects growth, body condition and the investment in innate and adaptive immunity in three-spined sticklebacks (Gasterosteus aculeatus). Aquat. Ecol. (published online, DOI 10.1007/s10452-017-9632-5).
pdf upon request
  • Hiermes, M., Vitt, S., Rick, I. P. & Bakker, T. C. M. (2015). Shoal choice and UV reflections in stickleback populations from different photic habitats. Biol. J. Linn. Soc. 116: 761-772.
pdf upon request
Diploma thesis:

  • Vitt, S. (2010). Schwarmwahlverhalten des Dreistachligen Stichlings (Gasterosteus aculeatus) aus zwei Habitaten der Insel North Uist (Schottland) im Hinblick auf UV-Signale.
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