NIOZ

PhD student “Bio-physical interactions in intertidal environments under transition”

The Department of Estuarine and Delta Systems (EDS, Royal NIOZ Yerseke) is looking for a highly motivated PhD to investigate bio-physical interactions in intertidal environments in the Netherlands and China by means of comparative field studies and experiments. The selected candidate will collaborate in a multidisciplinary project to develop exciting scientific insights, and thereby contribute to management solutions for deltas in transition.

2018-09-24 17:23:02
LOCATION:             ROYAL NIOZ YERSEKE (THE NETHERLANDS)
VACANCY ID:          2018-074
CLOSING DATE:     October 20th, 2018
 
THE DEPARTMENT

The Department of Estuarine and Delta Systems (EDS, NIOZ-Yerseke) aims to understand how the interplay between organisms, hydrodynamics, sediment dynamics, and biochemistry shapes the estuarine and delta environment, and how it affects the functioning and resilience of the diverse natural communities living there. Central to our department is a multidisciplinary approach that combines state-of-art biophysical and biochemical measurements, remote sensing, and manipulative experiments with mathematical and numerical modelling to create in-depth understanding of the processes that control estuarine and delta systems. An important additional focus of our research is how abiotic-biotic interactions can create value for society, following the “Building with Nature” paradigm.

 

JOINT RESEARCH PROJECT OF CHINA AND THE NETHERLANDS  “COPING WITH DELTAS IN TRANSITION”

Deltas, under pressure from climate change and increasing human activities, are undergoing transitions in their abiotic and biotic systems. Especially when the pressures exceed certain thresholds substantial or even irreversible changes (i.e. regime shifts) can take place. The objectives of our project are to identify and determine the relevant thresholds, regimes and timescales, and to explore measures for coping with the transitions. The study is multi-disciplinary, covering hydrodynamics, sediment dynamics, geomorphology, biogeochemistry and ecology. In this project, the Royal NIOZ collaborates with Delft University of Technology, SKLEC East China Normal University, and Tsinghua University. The project is financed by The Royal Netherlands Academy of Arts and Sciences (KNAW) and the Chinese Ministry of Science and Technology (MOST). Within the project, the Royal NIOZ focuses on changes in biophysical interactions in the intertidal environment for which Royal NIOZ offers a PhD position, which will be part of a larger multidisciplinary team.

 

THE VACANCY

Intertidal environments, such as tidal flats, salt marshes, and seagrass meadows, have high ecological and societal values, sustaining important coastal food webs. These habitats offer many ecosystem services, such as nutrient cycling, carbon sequestration, and coastal protection. The delivery of these services is to a large extent regulated by the species that inhabit these environments. For example, bioturbation intensity by benthic macroinvertebrates or wave dampening by vegetation depends on species-specific traits. Human interferences and climate change might lead to changes in biodiversity of the intertidal environment, especially to changes in species functional traits, which might result in a change in ecosystem services delivered.

In this PhD project, the candidate will study intertidal environments in The Netherlands (Westerschelde, Oosterschelde, Ems) and China (Yangtze), focusing on the transition zone between bare tidal flats and vegetated salt marshes. The effect of (changes in) sediment supply, sediment composition, wave exposure, inundation time, erosion/deposition on benthic macroinvertebrates and pioneer salt marsh species will be investigated using a combination of field observations and manipulative field and mesocosm experiments using an array of different instruments and techniques.

Overall, you will provide fundamental insights into how species (traits) interact with changing environmental conditions (i.e., wave climate, sea level rise, etc.), and how this affects feedback mechanisms. The PhD will try to gain knowledge about the level of responses in conjunction with context dependence (i.e., vary with sediment type, turbidity, etc.). Results will be integrated into concepts on Windows of Opportunity for the establishment, collapse thresholds, and habitat interconnectivity. Finally, the results will be used for upscaling to predict the development of intertidal landscapes in deltas under transition and the effects on ecosystem services. The latter will be done in close collaboration with the postdoc within the project, who will focus on modelling and remote sensing. Also, you will collaborate with other PhD’s in the project.

 

THE CANDIDATE

Are you a highly-motivated and proactive researcher with an MSc degree in ecology, biology, physical geography or engineering? Interested in doing new fundamental research in intertidal environments that may support future management of deltas under transition? Like to work in muddy environments in the Netherlands and China? Then we gladly invite you to apply.

We are looking for a highly motivated PhD that has a good knowledge of marine (benthic) ecology and a feeling for basic physics. Good statistical knowledge is a prerequisite. The candidate should have a keen interest in doing cutting-edge fundamental research, which can be translated into applicable knowledge. Candidates should be capable to plan and organize their own work, organize and carry out fieldwork in the Netherlands and China and meet deadlines imposed by the project. We expect a high level of independence in arranging the practical work. We offer a large degree of scientific freedom. Excellent communication skills and an open collaborative attitude are essential for the success of this project.

The perfect candidate is frank, collaborative and communicative, and easily interacts with interdisciplinary project partners. Good English oral and writing skills are essential, as the candidate must publish the findings in scientific journals and effectively communicate results to partners and end-users.

 

CONDITIONS

Employment of this position at Royal NIOZ is by NWO (The Netherlands Organization of Scientific Research). We offer a position for 4 (fulltime) years with an excellent salary, a pension scheme, a holiday allowance of 8% of the gross annual salary, a year-end bonus, and flexible work arrangements. You may expect attractive secondary employment conditions. We offer generous relocation expenses for employees coming from abroad and support with finding accommodation. Our labour policies are based on the Dutch Collective Labour Agreement of Research Centers.  

 

MORE INFORMATION

For additional information about this vacancy, please contact prof. dr. Tom Ysebaert or prof. dr. Tjeerd Bouma, senior scientists. For additional information about the procedure, please contact Sigrid Moerbeek (senior HR advisor).

We foresee to have job interviews for selected candidates on October 31st and November 1st, 2018.

Learn more about the Department of Estuarine and Delta Systems here.


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