Fish schooling behaviour in the northwest North Sea : interspecific associations measured by acoustic survey

D.J. Beare, D.G. Reid, E. McKenzie

Research output: Contribution to journalArticle

Abstract

This study investigates whether pelagic fish schools of different species or groupings (e.g. herring, "surface herring", "gadoids", mackerel, sprat and sandeels) were positively or negatively associated with each other in time and space. To do this, statistical models were fitted to pre-processed acoustic fisheries data to reveal how pelagic school prevalence varied with respect to spatial (latitude and longitude) and temporal (time of day) information. The model outputs, which take the form of probabilities fitted to the presence or absence of schools, were then used to calculate correlation coefficients, which are useful for measuring association between pairs of variables. Results depended upon the specific species pairs under investigation. Herring and "surface herring" were, for example, very generally sympatrically associated with each other in both space and time, while herring and gadoid schools, on the other hand, had allopatric distributions.
LanguageEnglish
Pages307-312
Number of pages5
JournalAquatic Living Resources
Volume16
Issue number3
DOIs
Publication statusPublished - Jul 2003

Fingerprint

schooling behavior
acoustic survey
aggregation behavior
fish behavior
herring
North Sea
acoustics
fish
space and time
gadoid
pelagic fish
schools of fish
mackerel
longitude
statistical models
fishery
fisheries
school
sea

Keywords

  • fisheries
  • herring
  • gadoids
  • acoustics
  • inter-specific associations
  • correlation coefficients
  • statistical models

Cite this

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Fish schooling behaviour in the northwest North Sea : interspecific associations measured by acoustic survey. / Beare, D.J.; Reid, D.G.; McKenzie, E.

In: Aquatic Living Resources, Vol. 16, No. 3, 07.2003, p. 307-312.

Research output: Contribution to journalArticle

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