PCI Ecology

Title

Field assessment of precocious maturation in salmon parr using ultrasound imaginguse asterix (*) to get italics

Authors

Marie Nevoux, Frédéric Marchand, Guillaume Forget, Dominique Huteau, Julien Tremblay, Jean-Pierre DestouchesPlease use the format "First name initials family name" as in "Marie S. Curie, Niels H. D. Bohr, Albert Einstein, John R. R. Tolkien, Donna T. Strickland"

Year

2019

Picture

Abstract

<p>Salmonids are characterized by a large diversity of life histories, but their study is often limited by the imperfect observation of the true state of an individual in the wild. Challenged by the need to reduce uncertainty of empirical data, recent development in medical imaging techniques offered new opportunities to assess precocious maturation in Atlantic salmon parr. Traditional phenotypic (external) examination and ultrasound (internal) examination were compared and recommendations on fish handling and ultrasound image interpretation are provided. By allowing to see the unseen, portable ultrasound imaging offers great opportunities for ecological studies in the wild, such as the assessment of individual sexual maturation.</p>

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Keywords

Atlantic salmon Salmo salar, ecology, empirical study, fisheries, individual heterogeneity, life history trait, maturation, ultrasound scan

Methods that require specific expertise (optional)

NonePlease indicate the methods that may require specialised expertise during the peer review process (use a comma to separate various required expertises).

Thematic fields

Conservation biology, Demography, Experimental ecology, Freshwater ecology, Life history, Phenotypic plasticity, Population ecology

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Submission date

2018-09-25 17:24:59

Recommender

Jean-Olivier Irisson

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