UvA-DARE (Digital Academic Repository) A sea of change Burson, A.M. Link to publication

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1 UvA-DARE (Digital Academic Repository) A sea of change Burson, A.M. Link to publication Citation for published version (APA): Burson, A. M. (2018). A sea of change: Impacts of reduced nitrogen and phosphorus loads on coastal phytoplankton communities. General rights It is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s), other than for strictly personal, individual use, unless the work is under an open content license (like Creative Commons). Disclaimer/Complaints regulations If you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. UvA-DARE is a service provided by the library of the University of Amsterdam ( Download date: 08 Apr 2019

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3 A Sea of Change: Impacts of Reduced Nitrogen and Phosphorus Loads on Coastal Phytoplankton Communities

4 2018 A Sea of Change: Impacts of Reduced Nitrogen and Phosphorus Loads on Coastal Phytoplankton Communities PhD thesis, ISBN: Cover: Land-Ho! by Olivier Leger Layout: Amanda Burson Printed: Ipskamp Publisher:, The Netherlands The research of the thesis was carried out at the Department of Freshwater and Marine Ecology (FAME), of the Institute for Biodiversity and Ecosystem Dynamics (IBED), of the University of Amsterdam. The research was supported by the National Ocean and Coastal Research Program (ZKO) of the Netherlands Organization for Scientific Research (NWO). 2

5 A Sea of Change: Impacts of Reduced Nitrogen and Phosphorus Loads on Coastal Phytoplankton Communities ACADEMISCH PROEFSCHRIFT ter verkrijging van de graad van doctor aan de op gezag van de Rector Magnificus prof. dr. ir. K.I.J. Maex ten overstaan van een door het College voor Promoties ingestelde commissie, in het openbaar te verdedigen in de Agnietenkapel op woensdag 17 oktober 2018, te 10:00 uur door Amanda Merle Burson geboren te Arizona, Verenidge Staten van Amerika 3

6 Promotiecommissie: Promotor: Prof. dr. J. Huisman Copromotor: Dr. M. Stomp Overige leden: Prof. dr. E. Litchman Prof. dr. ir. C. J. M. Philippart Dr. ir. D. B. Van de Waal Prof. dr. P. C. de Ruiter Prof. dr. C. P. D. Brussaard Dr. S. Wilken Michigan State University Universiteit Utrecht NIOO-KNAW Faculteit der Natuurwetenschappen, Wiskunde en Informatica 4

7 In memory of Maayke. I am forever thankful. 5

8 Table of Contents: Chapter 1 Introduction 7 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 References Summary Samenvatting Author Contributions Unbalanced reduction of nutrient loads has created an offshore gradient from phosphorus to nitrogen limitation in the North Sea Competition for nutrients and light: testing advances in resource competition with a natural phytoplankton community From ecological stoichiometry to biochemical composition: variation in N and P supply alters key biosynthetic rates in marine phytoplankton Competition for nutrients: seemingly neutral coexistence is stabilized by subtle niche differentiation Termination of a toxic Alexandrium bloom with hydrogen peroxide Synthesis Acknowledgements Curriculm Vitae