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Título: | Effect of pelagic larval growth and size at hatching on the post-settlement survivorship in two temperate labrid fishes of the genus Symphodus |
Autor: | Raventós, Núria CSIC ORCID; Macpherson, Enrique CSIC ORCID | Palabras clave: | Larval growth Early larval traits Size selection Post-settlement mortality Labridae Otoliths |
Fecha de publicación: | 2005 | Editor: | Inter Research | Citación: | Marine Ecology Progress Series 285: 205-211 (2005) | Resumen: | The characteristics of fish larvae affect settlement and recruitment survival. We examined the effects of the variation in the early life characteristics (pelagic larval growth, pelagic larval duration, size-at-hatching and size-at-settlement) on post-settlement survival in 2 littoral species of the genus Symphodus (S. roissali and S. ocellatus) in the NW Mediterranean over 2 yr. We used otoliths to back-calculate growth rates and other early life traits exhibited by individuals at settlement and 2 mo after settlement. Size-at-hatching clearly affected the post-settlement survival of the 2 species. Juvenile survivors of S. roissali and S. ocellatus were mostly larger at hatching than settlers, and recently settled individuals were susceptible to size-selective mortality. Our study, however, showed that other larval traits (pelagic larval duration, larval otolith growth, size-at-age, size-at-settlement) were not always consistent with the growth–mortality hypothesis. | Descripción: | 7 páginas, 3 figuras, 2 tablas. | Versión del editor: | http://www.int-res.com/articles/meps2004/285/m285p205.pdf | URI: | http://hdl.handle.net/10261/42054 | ISSN: | 0171-8630 |
Aparece en las colecciones: | (CEAB) Artículos |
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