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December 8, 2025Canadian Journal of Fisheries and Aquatic Sciences

Comparing capelin abundance estimates from predator diet data and an acoustic survey

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Authors

KLKyle J. LynchUniversity of Memphis

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Overview

Model demonstrates that abundance estimates differ from current assessments, suggesting changes in capelin population dynamics.

Key Points

  • This research aims to improve understanding of capelin population dynamics and assess its importance for fisheries management.
  • Modified an integrated prey dynamics model to incorporate diet shifts based on ontogeny.
  • Evaluated capelin abundance estimates from predator diet data compared to acoustic survey estimates.
  • Analyzed correlations between model predictions and current assessment estimates.
  • Abundance estimates from the model were not correlated with current assessment estimates.
  • Estimated trends indicated potential shifts in predator-prey dynamics over space and time.
  • Model provides insights into factors affecting capelin population recovery since the collapse.

Cite This Study

Kyle J. Lynch (2025) studied this question.

synapsesocial.com/papers/69362f5a4fa91c937236daf9https://doi.org/10.1139/cjfas-2025-0166
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