Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/2389
Título: Nutritional condition and starvation in Sardina pilchardus (L.) larvae off southern Portugal compared with some environmental factors
Autor: Chícharo, Alexandra
Palavras-chave: Fish larvae
Starvation
RNA
DNA ratios
Nutritional condition
Sardina pilchardus
Data: 1998
Editora: Elsevier
Citação: Chicharo, M. A. Nutritional condition and starvation in Sardina pilchardus (L.) larvae off southern Portugal compared with some environmental factors, Journal of Experimental Marine Biology and Ecology, 225, 1, 123-137, 1998.
Resumo: The aim of this study was to determine the condition and the incidence of starvation among field-caught Sardina pilchardus larvae, using RNA/DNA ratios and to compare them with various abiotic and biotic factors. S. pilchardus larvae were collected off southern Portugal, during April and May 1992. A highly sensitive fluorometric method for quantifying larvae nucleic acid was applied. Sardine larvae were generally in good condition. The means of the RNA/DNA ratios were relatively high and low percentages of starving larvae (RNA/DNA ratio ,1.3) were recorded, ranging from 0 to 12.5%. These two results were associated with high prey availability, which contributes to enhanced condition, and with a high density of potential predators, which may result in fewer larvae in poor condition.
Peer review: yes
URI: http://hdl.handle.net/10400.1/2389
ISSN: 0022-0981
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

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