Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/2386
Título: A juvenile recruitment prediction model for Ruditapes decussatus (L.) (Bivalvia : Mollusca)
Autor: Chícharo, Luís
Chícharo, Alexandra
Palavras-chave: Ruditapes decussatus
Bivalve larvae
Larval recruitment
Growth
Mortality
Recruitment model
Data: 2001
Editora: Elsevier
Citação: Chicharo, L. M. Z.; Chicharo, M. A. A juvenile recruitment prediction model for Ruditapes decussatus (L.) (Bivalvia : Mollusca), Fisheries Research, 53, 3, 219-233, 2001.
Resumo: Despite the importance of larval abundance in determining the recruitment of benthic marine invertebrates and as a major factor in marine benthic community structure, relating planktonic larval abundance with post-settlement post-larvae and juveniles in the benthos is difficult. It is hampered by several methodological difficulties, including sampling frequency, ability to follow larval and post-larval or juvenile cohorts, and ability to calculate growth and mortality rates. In our work, an intensive sampling strategy was used. Larvae in the plankton were collected at weekly intervals, while post-larvae that settled into collectors were analysed fortnightly. Planktonic larval and benthic post-larval/juvenile cohorts were determined, and growth and mortality rates calculated. Integration of all equations allowed the development of a theoretical formulation that, based on the abundance and planktonic larval duration, permits an estimation of the future abundance of post-larvae/juveniles during the first year of benthic life. The model can be applied to a sample in which it was necessary only to measure larval length.
Peer review: yes
URI: http://hdl.handle.net/10400.1/2386
ISSN: 0165-7836
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)
CIM2-Artigos (em revistas ou actas indexadas)

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