Royal Netherlands Institute for Sea Research

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Research interests

Already from the beginning of my scientific career, research on marine environments have been the lead focus in my biological studies. My PhD on fish ecology are mainly focussed on explaining shifts in population dynamics in all trophic levels in both the present and the past. Not only by analysing shifts in fish populations, determine physiological requirements in different life stages of important key fish species (lower- and higher trophic levels) is important in order to predict how sea food webs will chance due to (anthropogenic-) changes in the Wadden Sea. By combining the analysis of historical data, the collection of field work data and the inventory of potential important fish habitats in the Wadden Sea might tell us more about how fish population on larger world wide scale will change. These large impact ecological analysis  on marine ecology which might be extrapolated to a worldly scale is very appealing to me.

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2017-2021: S. Poiesz; Long term changes in the Wadden Sea fish fauna: causes and consequences
PhD defense planned for 2021; Rijksuniversiteit Groningen



Poiesz, S. S., de Vries, A., Cardoso, J. F., Witte, J. I., van der Veer, H. W., & Freitas, V. (2019). A comparison of growth in two juvenile flatfish species in the Dutch Wadden Sea: Searching for a mechanism for summer growth reduction in flatfish nurseries. Journal of Sea Research, 144, 39-48.

Poiesz, S. S., van Leeuwen, A., Soetaert, K., Witte, J. I., Zaat, D. S., & van der Veer, H. W. (2020). Is summer growth reduction related to feeding guild? A test for a benthic juvenile flatfish sole (Solea solea) in a temperate coastal area, the western Wadden Sea. Estuarine, Coastal and Shelf Science, 106570.
Tv debut:

Please find my scientific activities and NIOZ-publications at the bottom of this webpage or on ResearchGate. You can download all my publications on ResearchGate



Professional education



Awards and Prizes