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Título

Procedures to estimate fecundity of marine fish species in relation to their reproductive strategy

AutorMurua, Hilario; Kraus, Gerd; Saborido-Rey, Fran ; Witthames, Peter R.; Thorsen, Anders; Junquera, S.
Palabras claveAtresia
Fecundity estimation
Marine fish
Maturity ogive
North Atlantic
Oocyte histology
Reproductive potential
Reproductive strategy
Sampling
Spawning fraction
Fecha de publicacióndic-2003
EditorNorthwest Atlantic Fisheries Organization
CitaciónJournal of Northwest Atlantic Fishery Science 33: 33-54 (2003)
ResumenAppraisal of reproductive strategy and fecundity is necessary to evaluate the reproductive potential of individual fish species. To estimate reproductive potential, one needs to consider a variety of attributes including onset of maturity, fecundity, atresia, duration of reproductive season, daily spawning behaviour and spawning fraction. In this contribution, we review several methods currently used to estimate fecundity of marine fishes collected in the field in relation to their reproductive strategy. The advantages and disadvantages of each method are provided. Requirements are given to appropriately sample gonadal tissue that will enable researchers to establish incidence of sexual maturity and estimate fecundity.
Descripción22 páginas, 7 figuras, 3 tablas, 2 apéndices.
Versión del editorhttp://journal.nafo.int/J33/vol33.html
URIhttp://hdl.handle.net/10261/26870
ISSN0250-6408
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