1995 …2022

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Fish biology, population ecology and interdisciplinary fisheries sciences. Particularly understanding how physical and chemical properties of the environment interact with biological processes to regulate otolith biomineralization and chemical composition, and how to use the chronological information stored in the otoliths to infer knowledge on fish growth, habitat use and movement that can ultimately improve fish stock assessment and sustainable management.

Research areas

My key research interest is the development of otoliths as the fish’s “black box”, how the information stored in the otoliths can be used to study fish’s biology and ecology, and support stock assessment and management. My research activities thus cover a broad range of topics within fish biology, from the individual to the population level, from physiological process to statistical model, and involve a suite of multidisciplinary methodologies through collaboration with experts in other fields. 

  • Physiology: Combining my expertise from different fields within otolith research to conceptualize how environmental conditions and physiology interact to drive biomineralization and chemical composition of otoliths. Quantification of metabolic activity, growth and fish age from otolith chemical position.
  • Movement and behaviour: Develop new approaches to study migrations of fish by linking information from otolith chemical properties, environmental hydrography and electronic archival tags, including the development of new statistical modelling approaches allowing us to study movements of individuals between areas with a temporal resolution of days to weeks.
  • Age estimation: Development and validation of age estimation routines for various pelagic and demersal fish species. Quality assurance of existing age reading protocols in collaboration with numerous ICES working groups.
  • Growth and recruitment: Impact of biological (prey selection, stock affiliation, sex) and environmental pressures on spatial and temporal patterns of growth, mortality and recruitment in to improve our understanding of environmental and ecological drivers for changes in stock vital rates and gain the necessary knowledge for improving current stock assessments.
  • Stock structure and –mixing: Identification of stock structure and distribution patterns using a multidisciplinary approach of genetics, otolith shape analysis and drift modelling, and otolith microchemistry for a wide range of pelagic and demersal fish species, including identification of best practice for operationalizing available information in stock assessment.

Other information

Advice provision

Member of three ICES expert- and stock assessment working groups (WGBIOP, SIMWG, WGBFAS), where I contribute to the assessment of several fish stocks by collaborating with stock assessors to identify problems, find solutions and implement new knowledge.

Research and teaching information

Teaching

  • Fisheries Ecology and Assessment (25307)
  • Fisheries Oceanography (25311)
  • Oceanography (25102)
  • Various Special Courses for students, fisheries observers and technicians

Curriculum

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 10 - Reduced Inequalities
  • SDG 13 - Climate Action
  • SDG 14 - Life Below Water
  • SDG 15 - Life on Land

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