Identification of vertical and horizontal movement patterns in cod behavior

Gudberg K. Jonsson, Vilhjalmur Thorsteinsson, Gunnar Gudni Tomasson

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Citations (Scopus)

Abstract

The Atlantic cod is one of the most important commercial species known. The behavior of this species, important for fisheries, research and stock assessment, is in many ways masked by extensive horizontal and vertical dispersion in its habitat. The potential of using the Theme software in behavior studies of commercial fish stocks was tested using data from tagging experiments with adult cod in Icelandic waters. The time series were prepared for T-pattern analysis, including detection and delimitation of tidal influence in the data and event basing raw data according to predefined events. A high number of temporal patterns were detected, patterns of repeated vertical movements and speed and acceleration changes. A number of specific temporal patterns were also identified within and across vertical movements of individual cod. Future objective is to explore these patterns in relation to environmental factors and horizontal location.

Original languageEnglish
Title of host publicationSelected Papers from the Proceedings of the 7th International Conference on Methods and Techniques in Behavioral Research - Digital Edition, MB'10
DOIs
Publication statusPublished - 2011
Event7th International Conference on Methods and Techniques in Behavioral Research, MB'10 - Eindhoven, Netherlands
Duration: 24 Aug 201027 Aug 2010

Publication series

NameACM International Conference Proceeding Series

Conference

Conference7th International Conference on Methods and Techniques in Behavioral Research, MB'10
Country/TerritoryNetherlands
CityEindhoven
Period24/08/1027/08/10

Other keywords

  • Behaviour
  • Cod
  • DST tags
  • Gadusmorhua
  • T-patterns
  • Tidal wave model

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