Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/4074
Título: Age and growth of megrim, Lepidorhombus boscii, Risso of the portuguese continental coast
Autor: Castilho, Rita
Dinis, Maria Teresa
Erzini, Karim
Palavras-chave: Lepidorhombus boscii
Population genetics
Data: Mai-1993
Editora: Elsevier
Citação: Castilho, Rita; Dinis, MT; Erzini, K. Age and growth of megrim, Lepidorhombus boscii, Risso of the portuguese continental coast, Fisheries research, 16, 339-346, 1993.
Resumo: The first study of age and growth of four-spotted scaldfish, more commonly known as megrim (Lepidorhombus boscii, Risso), an important (by catch ) species of the Portuguese trawl fishery from the Atlantic coast is presented. The analysis was based on data obtained from a total of 609 specimens sampled between 1985 and 1986. Otoliths were used for age determination. The Von Bertalanf~, growth parameters were estimated using the non-linear fitting method: Lt (females)=440[ 1 -e -°-14(t+ 1.32) ] and Lt= 375 [ 1 -e -°~4(t+ 1.93) ] for males. L~ and to values are significantly different. The megrim grows allometrically (slope of length-weight regressions > 3 ). Females live longer and gain weight at a faster rate than males. Differences in growth between sexes become more apparent from the second year onwards.
Peer review: yes
URI: http://hdl.handle.net/10400.1/4074
DOI: http://dx.doi.org/10.1016/0165-7836(93)90145-W
ISSN: 0165-7836
Versão do Editor: http://www.sciencedirect.com/science/article/pii/016578369390145W
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