External Organisations

  • Greenland Institute of Natural Resources, Greenland

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The overall objective is to measure and parameterize Greenland halibut behaviour in terms of vertical movement patterns and related physiological state variables, and to scale the individual based knowledge to the population level. The project group have strong links to expertise into quantifying behaviour and scale its consequences to population level.

Measurements using Data Storage tags on halibut tagged in Disko Bay have shown that the halibut undertake distinct vertical migrations of several hundred meters at a time during a few hours.

The project will mainly focus on the following questions:
- What are the energetic expenses of such a migration, and what does the energetic output in terms of successful predation have to be in order to pay off energetically?
- Is this type of behaviour related to certain specialists, or can it be considered a general behavioural track?
- Are the vertical migrations related to certain external factors (time of the day, temperature, season, tide)?

The project is coordinated by DTU Aqua.


  • Research areas: Marine Populations and Ecosystem Dynamics & Individual Biology
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ID: 2288446