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Assessing models of optimal diving.

Alasdair I Houston1

  • 1School of Biological Sciences, University of Bristol, Woodland Road, Bristol, UK. a.i.houston@bristol.ac.uk

Trends in Ecology & Evolution
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This review critically examines recent challenges to optimal diving models for aquatic birds and mammals. It argues these challenges misrepresent models and data, suggesting new theoretical approaches in behavioral ecology.

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Area of Science:

  • Behavioral Ecology
  • Physiology
  • Animal Behavior

Background:

  • Aquatic birds and mammals must surface to breathe while foraging underwater.
  • Optimal diving models aim to explain foraging behavior based on physiological constraints.
  • Recent studies have questioned the validity of existing optimal diving models.

Purpose of the Study:

  • Critically review recent papers challenging optimal diving models.
  • Address misrepresentations of models and data in existing critiques.
  • Propose new theoretical models and explore theory-data relationships in behavioral ecology.

Main Methods:

  • Literature review and critical analysis of recent publications.
  • Evaluation of the assumptions and predictions of optimal diving models.
  • Exploration of qualitative versus quantitative predictions in ecological modeling.

Main Results:

  • Recent critiques often misrepresent the assumptions and predictions of optimal diving models.
  • Inappropriate tests have been used to challenge existing models.
  • The current debate highlights the need for refined theoretical frameworks.

Conclusions:

  • Existing critiques of optimal diving models are flawed.
  • New theoretical models are needed to better understand diving behavior.
  • The relationship between theory and data in behavioral ecology requires further exploration, considering both qualitative and quantitative predictions.