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Revista de Biología Tropical

versión On-line ISSN 0034-7744versión impresa ISSN 0034-7744


LOPEZTEGUI, Alexander; BAISRE, Julio A  y  CAPETILLO, Norberto. Influencia del ciclo lunar en la captura de langosta espinosa Panulirus argus (Decapoda: Palinuridae) en el Golfo de Batabanó, Cuba. Rev. biol. trop [online]. 2011, vol.59, n.1, pp.207-216. ISSN 0034-7744.

Influence of lunar cycle on catches of spiny lobster Panulirus argus (Decapoda: Palinuridae) in the Gulf of Batabanó, Cuba. Many biological processes such as reproductive and migratory behaviours have been associated with moon cycles. In this study, the nocturnal light levels associated with lunar cycle (INT) were correlated with daily catch rate of lobster P. argus, during seven lunar months of 2002 fishing period, to determine a possible relationship between these variables. The lobster catches were obtained from three fishing companies that develop their activities in the Gulf of Batabanó: EPICOL that fishes in Coloma area; PESCAHABANA in Batabanó area and PESCAISLA in Isla area. Daily catch per boat (CDB) was used as a measurement of daily catch variations (catch rate). The correlation was analyzed showing it in chronological graphs based on average of CDB per lunar phases, comparing lobster catch rate per lunar phases -with the Kruskal-Wallis test-. Spearman rank correlation coefficient and cross correlation techniques were also applied. Similarities between lobster catch rate and the lunar cycle were not found. Spearman rank correlation coefficient was modularly smaller than 0.1 in all cases and demonstrated quantitatively that correlation between CDB and INT does not exist. Kruskal-Wallis test detected differences only in Batabanó area but not when making the analyses for the whole Gulf of Batabanó. Finally, the cross correlations do not detected significance in any zone, as well. It is concluded that, in opposition to what other authors have reported, the catch rates of P. argus and the lunar cycle did not show significant correlation in the Gulf of Batabanó. This trend was independent of the fishing art, which varied according to the time of the year that was analyzed. Rev. Biol. Trop. 59 (1): 207-216. Epub 2011 March 01.

Palabras clave : Panulirus argus; spiny lobster; lunar cycle; catch rate; cross correlation; Gulf of Batabanó.

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