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- W2023408690 abstract "The catch per unit effort (CPUE) values, expressed as kg trip –1 in a coastal fishery, were considered to be an index of resource abundance to explain changes through time. The trends in catch and effort for three commercial landing sites in Manzanillo and Santiago Bays in Colima, Mexico, were analysed for the period November 1982 to May 1991. The CPUE data were analysed using the spectral method, which showed four harmonic periods of 38.53, 13.64, 9.29 and 6.26 months. To explain these variations, sea surface temperature (SST) was used as an indicator of environmental change. Two harmonic components were identified, with periods of 12.5 and 39.0 months each, which coincided with two of the periods found in the CPUE series. Once these harmonics, which were considered anomalous to the fishing effort, were subtracted a constant CPUE throughout the study period was found. It was concluded that in the CPUE series, the most influential component corresponded to a lapse of 38.53 months, suggesting a possible link with the ‘El Niño’ phenomenon. However, in the temperature series, the most important component was represented by a value of 11.95 months, which is believed to be associated with changes in the environment." @default.
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- W2023408690 date "1997-08-01" @default.
- W2023408690 modified "2023-09-27" @default.
- W2023408690 title "Catch per unit effort trends in the coastal fishery of Manzanillo, Colima, Mexico" @default.
- W2023408690 doi "https://doi.org/10.1046/j.1365-2400.1997.00123.x" @default.
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