The role of intraguild predation in the population dynamics of small pelagic fish

Xabier Irigoien*, A. de Roos

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

45 Scopus citations


In this paper, we argue that understanding marine ecosystem functioning requires a thorough appreciation of the role of intraguild predation to system dynamics. The theoretical predictions of intraguild predation models might explain some of the community features observed in marine ecosystems such as low diversity in upwelling and productive systems and species alternation in response to moderate external forcing. Finally, we argue that an ecosystem approach to fisheries requires that the size-structure of fish populations should be taken into account and that it is extremely important to account for the predators of early stages (eggs and larvae) to gain a thorough understanding of the key interactions between species.

Original languageEnglish (US)
Pages (from-to)1683-1690
Number of pages8
Issue number8
StatePublished - Aug 2011
Externally publishedYes

Bibliographical note

Funding Information:
Acknowledgments This work was supported by the project ECO-ANCHOA promoted by the Department of Agriculture and Fisheries of the Basque Country Government (FEP funding) and the 7th framework project FACTS (FP7-KBBE-2009-3, grant agreement 244966). Thanks are due to Myron Peck for useful comments on the manuscript and Paul de Bruyn for his help with the English language. This is contribution no 539 from AZTI.

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science
  • Ecology


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