Newsletter 18 | 18 January 2020

Newsletter 18, 28 January 2020

We gladly present you a new Centre for Wetland Ecology (CWE) newsletter full of information concerning Wetland Ecology.

This newsletter will come to you twice per year to inform you about CWE symposia, STOWA activities and to announce other events and news.

Casper van Leeuwen (coordinator CWE)
Liesbeth Bakker (chair CWE)

Please e-mail us so we can spread news about any upcoming events, job offers, symposia, PhD defences or publications, either on our website, twitter or the next newsletter (released November 2020).

Newsletter contents

Upcoming events in the Netherlands

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  • The Netherlands Annual Ecological Meeting (NAEM), 11 - 12 February 2020, Lunteren. This conference is particularly geared towards people working in the field of ecology and/or evolution. It aims to strengthen and profile Dutch ecological research in an (inter)national context to accordingly strengthen the ecological network.

  • Symposium "Ecology and practise", 12 March 2020, Eindhoven.

  • Third congress Kennis- en Innovatie Programma Marker Wadden (KIMA) 15 April 2020, 11:00-17:00, Deltares, Boussinesqweg 1, Delft. Meeting on Brook Valley Landscape and Heritage ("Beekdallandschap en Erfgoed") 16 April 2020, Renkum. One day meeting with the central question: how can water management and the history of the landscape reinforce each other in answering societal challenges concerning water quality, climate adaptation and landscape development.

  • Society of Wetland Scientists Europe Chapter annual meeting, 25 - 27 May 2020, Wageningen. The conference has a range of symposia on different themes (Policy and Practice, Ecosystem services, Constructed wetlands, Wetland restoration and more), with a possible excursion to the Biesbosch National Park. Abstract deadline for talks on 31 January.

  • World Recreational Fisheries Conference 2020, 28 June - 2 July 2020, Rotterdam. "Recreational fishing in a changing world". Our world is changing rapidly. We humans are changing. Urbanization, overfishing and animal welfare are tough and well known issues. The sport fishing sector will have to deal with these challenges. During this conference science and knowledge on these subjects will be presented and discussed.

CWE Symposium

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Save the date!

New CWE symposium on "Trends in Aquatic Biodiversity"
20 May 2020, University of Amsterdam, Amsterdam

More information will follow soon on the CWE website.

International conferences

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ICWCCC 2020: 14. International Conference on Wetlands, Carbon and Climate Change, 6 - 7 February 2020, Lisbon, Portugal.

World Fish Migration Day, 16 May 2020. World Fish Migration Day is a one day global celebration to create awareness on the importance of free flowing rivers and migratory fish. It is still possible to join with your local project.

NWO conference on Life sciences, "Life2020", 26 - 27 May 2020, Egmond aan Zee.

ASLO - SFS Joint Summer Meeting 7 - 12 June 2020, Madison, Wisconsin, USA: Sustaining Aquatic Ecosystems Under Global Change.

International Aquatic Plants Group conference, 15 - 19 June 2020, Aarhus, Denmark. The International Aquatic Plants Group is comprised of researchers, scientists and practitioners who are based at universities and research organizations throughout the world. The IAPG is an interest group whose members specialize in all aspects of aquatic plant science, including botany, genetics, ecology, physiology, conservation and management. Every two to three years, the group organizes a conference to share scientific advances with our community and to continue to promote a collegiate atmosphere that facilitates discussion, debate and collaboration.

International Shallow Lakes Conference 21 - 26 June 2020, Natal, Brazil. Theme: "Towards a landscape ecology of shallow lakes".

Meeting of the Ecological Society of America (ESA), 2 - 7 August 2020, Salt Lake City, USA.

SIL2020, the Congress of the International Society of Limnology, 23-28 August 2020, Gwanju, South Korea. Congress theme: "Biodiversity and Ecosystem Functions: Healthy Rivers, Lakes, and Humans". The SIL Congress promotes open discussions on new scholarly findings and pioneer research in the field of limnology to foster knowledge transfer to scientists and researchers worldwide. It is important for SIL to host its Congress in East Asia to highlight and reflect on the scientific challenges for limnologists in the region.

Annual meeting of Ecological Society of Germany (GFÖ) 14 -18 September 2020, Brunswick, Germany.

International Wetland Conference INTECOL, 18 - 23 October 2020, Christchurch, New Zealand.

The 7th conference of Fresh Blood for Fresh-Water (FBFW), 25 - 28 November 2020. A meeting organized by early-career limnologists for all those minds with fresh ideas in the aquatic field. This time the event will be held in Bilbao, Spain.


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Professor Annemarie van Wezel, Scientific Director of the Institute for Biodiversity and Ecosystem Dynamics (IBED) and named Professor of Environmental Ecology, delivered her inaugural lecture "Chemophilia/Chemophobia" at the University of Amsterdam on the 12th of December 2019. In her lecture Annemarie van Wezel informed her audience about the use of chemical products, why this grew so enormously over the last decades (Chemophilia), but also about the toxicity and the risks for the environment (Chemophobia).

Professor Linda Amaral-Zettler, named Professor by Special Appointment of Marine Microbiology, delivered her inaugural lecture "Trouble on the High Seas: From Microplastics to Macroalgae" on the 29th of November 2019. This Special chair at the University of Amsterdam was designated on behalf of the Netherlands Foundation of Scientific Research Institute / the Royal Netherlands Institute for Sea Research (NIOZ), and is embedded in the FAME-department of IBED.

Dr. Ramesh Gulati passed away on the 23rd of December 2019. Originally from what is now Pakistan and growing up in India, Ramesh came to the Netherlands in 1968 to join the Limnological Institute as a research trainee in water chemistry and one year later became permanent research staff of the Institute. In the early years of his career he was engaged in studies on primary production energy flow and general limnology of deep stratifying lakes. He became a senior research scientist in 1974 and headed the "Working-Group 'Primary and Secondary Production" of the Limnological Institute at Nieuwersluis until 1987. Thereafter he became a senior scientist in the working group Food Chain Studies, which later became the department of Aquatic Ecology. While he formally retired at the age of 65 in the year 2000, he kept on working on a daily basis at the institute until the move to Wageningen in early 2011, after which he still was a guest researcher in the department of Aquatic Ecology of the Netherlands Institute of Ecology (NIOO-KNAW).

Publication of an open online textbook on Environmental Toxicology, available here. This open online textbook on Environmental Toxicology aims at covering the field in its full width, including aspects of environmental chemistry, ecotoxicology, toxicology and risk assessment. Several CWE partners contributed to the book as editors or chapter authors. The book is edited by: Cornelis A.M. van Gestel, Frank G.A.J. Van Belleghem, Nico W. van den Brink, Steven T.J. Droge, Timo Hamers, Joop L.M. Hermens, Michiel H.S. Kraak, Ansje J. Löhr, John R. Parsons, Ad M.J. Ragas, Nico M. van Straalen, and Martina G. Vijver.

STOWA publication on "Perspectives on energy from water: the potential for 2030 and 2050", published 22 October 2019.

New finances from the EU for the Living Lab Hedwige-Prosperpolder-project. This project will research how to incorporate flooding hazards as a result of climate change into water safety plans.

New project from NWO Topsector Water & Maritiem: "Blauwe route: Psychopharmaceutical Prevention & Pilots to Reduce Effects in the Water Cycle (PsychoPharmac’eau)" Main applicant: Prof.dr. Annemarie van Wezel (UvA), co-applicants: Prof. dr. Paul J. van den Brink (WUR), Dr. Lisette de Senerpont Domis (NIOO-KNAW).

Possibility to become a member of the NWO Research Communities for Life Sciences: become a member to bring aquatic sciences into the spotlight! Often enough as aquatic ecologists we are concerned whether NWO takes aquatic sciences enough into account in its research programs. Now NWO is changing its organization, and they are actively looking for input from the field. NWO is facilitating research communities for Life Sciences and you can become a member in such a research community if you are tenure track or senior staff at an academic institution. Hence, this is an opportunity to make yourself and the importance of aquatic ecology heard in the broad field of life sciences. Do you, as a researcher, want to provide input about important themes in life sciences research? As a member of a research community you will help to chart the current research field and provide input about the development of the life sciences. Furthermore, membership gives you the opportunity to expand your network and come into contact with life scientists from other disciplines.


PhD graduations


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Paula dos Reis Oliveira (UvA) defended her PhD thesis "The landscape drives the stream: unravelling ecological mechanisms to improve restoration" on 20 November 2019. More information.

Annemarie Garssen (UU) defended her PhD thesis "Effects of increased drought and flooding episodes on stream riparian vegetation" on 9 December 2019. Available here.

Libin Zhou (NIOO-KNAW) defended his thesis "Stoichiometric mismatch between phytoplankton and zooplankton consumers: Effects at contemporary, transgenerational, and evolutionary timescales" on 16 December 2019.

Ciska Overbeek (UvA) defended her thesis "Peat formation on a former landfill - Production and decomposition of aquatic pioneer vegetation" on 19 December 2019. More information.

Valerio Barbarossa (RUN) will defend his thesis "Advancing global assessments of freshwater systems" on 6 February 2020.

Jan de Brouwer (WUR) will defend his thesis "Spatiotemporal heterogeneity in lowland streams: a benthic macroinvertebrate perspective" on 3 March 2020.

Martine Kox (RUN) will defend her thesis "Ecological Microbiology of Sphagnum associated nitrogen fixation and methane oxidation" on 27 March 2020. 

Recent key publications

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Branco, P., Egas, M., Hall, S. R., & Huisman, J. (2020). Why do phytoplankton evolve large size in response to grazing? American Naturalist, 195(1), E20–E37.

Burson, A., Stomp, M., Mekkes, L ., & Huisman, J. (2019). Stable coexistence of equivalent nutrient competitors through niche differentiation in the light spectrum. Ecology, 100(12), [e02873].

de Baat, M. L., Kraak, M. H. S., van der Oost, R., de Voogt, P., & Verdonschot, P. F. M. (2019). Effect-based nationwide surface water quality assessment to identify ecotoxicological risks. Water Research, 159, 434-443.

de Brouwer, J.H.F., Kraak, M.H.S., Besse-Lototskaya, A.A. and P. F. M. Verdonschot (2019). The significance of refuge heterogeneity for lowland stream caddisfly larvae to escape from drift. Scientific Reports 9, 2140.

dos Reis Oliveira, P. C., van der Geest, H. G., Kraak, M. H. S., & Verdonschot, P. F. M. (2019). Land use affects lowland stream ecosystems through dissolved oxygen regimes. Scientific Reports, 9(1), [19685].

Faber, A-H., Annevelink, M. P. J. A., Schot, P. P., Baken, K. A., Schriks, M., Emke, E., ... van Wezel, A. P. (2019). Chemical and bioassay assessment of waters related to hydraulic fracturing at a tight gas production site. Science of the Total Environment, 690, 636-646.

Fraaije, RGA, Poupin, C, Verhoeven, JTA, Soons, MB (2019). Functional responses of aquatic and riparian vegetation to hydrogeomorphic restoration of channelized lowland streams and their valleys. Journal of Applied Ecology 56: 1007– 1018.

He, L., Bakker, E. S., Alirangues Nunez, M. M. & Hilt, S. (2019) Combined effects of shading and clipping on the invasive alien macrophyte Elodea nuttallii. Aquatic Botany, 154, 24-27.

Hofstra, D. et al. (2020) On the move: New insights on the ecology and management of native and alien macrophytes. Aquatic Botany, 103190.

Janssen, A. B. G., van Wijk, D., van Gerven, L. P. A., Bakker, E. S., Brederveld, R. J., DeAngelis, D. L., Janse, J. H. & Mooij, W. M. (2019) Success of lake restoration depends on spatial aspects of nutrient loading and hydrology. Science of the Total Environment, 679, 248-259.

Jourdan, J., Plath, M., Tonkin, J. D., Ceylan, M., Dumeier, A. C., Gellert, G., ... Haase, P. (2019). Reintroduction of freshwater macroinvertebrates: challenges and opportunities. Biological Reviews, 94(2), 368-387.

Kooijman, A.M., Cusell, C., Hedenäs, L. et al. (2019) Re-assessment of phosphorus availability in fens with varying contents of iron and calcium. Plant Soil

Martín-Vélez, V., Mohring, B., van Leeuwen, C. H. A., et al. (2019) Functional connectivity network between terrestrial and aquatic habitats by a generalist waterbird, and implications for biovectoring. Science of the Total Environment 135886

Overbeek, C.C., Harpenslager, S.F., van Zuidam, J.P. et al. (2019) Drivers of vegetation development, biomass production and the initiation of peat formation in a newly constructed wetland. Ecosystems

Poursat, B. A. J., van Spanning, R. J. M., Braster, M., Helmus, R., de Voogt, P., & Parsons, J. R. (2019). Biodegradation of metformin and its transformation product, guanylurea, by natural and exposed microbial communities. Ecotoxicology and Environmental Safety, 182, [109414].

Reijers, VC, Cruijsen, PMJM, Hoetjes, SCS, et al. (2019) Loss of spatial structure after temporary herbivore absence in a high‐productivity reed marsh. Journal of Applied Ecology  56: 1817– 1826.

Reijers, V. C., van den Akker, M., Cruijsen, P. M. J. M., Lamers, L. P. M., and van der Heide, T.. 2019. Intraspecific facilitation explains the persistence of Phragmites australis in modified coastal wetlands. Ecosphere 10( 8):e02842.

Sjerps, R. M. A., Kooij, P. J. F., van Loon, A., & Van Wezel, A. P. (2019). Occurrence of pesticides in Dutch drinking water sources. Chemosphere, 235, 510-518.

van Dijk, G., Fritz, C., Straathof, N. et al. Biogeochemical Characteristics of the Last Floating Coastal Bog Remnant in Europe, the Sehestedt Bog. Wetlands 39, 227–238 (2019)

Wolters, J. W., Reitsema, R. E., Verdonschot, R. C. M., Schoelynck, J., Verdonschot, P. F. M., & Meire, P. (2019). Macrophyte-specific effects on epiphyton quality and quantity and resulting effects on grazing macroinvertebrates. Freshwater Biology, 64(6), 1131-1142.

Verhofstad, M.J.J.M., Bakker, E.S. Classifying nuisance submerged vegetation depending on ecosystem services. Limnology 20, 55–68 (2019)

Zhang P, Grutters BMC, van Leeuwen CHA, Xu J, Petruzzella A, van den Berg RF and Bakker ES (2019) Effects of rising temperature on the growth, stoichiometry, and palatability of aquatic plants. Frontiers in Plant Sciences. 9:1947.

Zhang, Y., van Geel, B., Gosling, W.D., Sun, G., Qin, L., Wu, X., 2019. Typha as a wetland food resource: evidence from the Tianluoshan site, Lower Yangtze Region, China. Vegetation History and Archaeobotany