Segregación espacial por sexo de la tintorera en el Atlántico Este y
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AuthorsMacías-López, A.D. (Ángel David); García-Horcajuelo, A.; García-Barcelona, S. (Salvador); Alot-Montes, E. (Enrique); Ceballos, E. (Elvira); Meléndez-Vallejo, M.J. (María José); Báez, J.C. (José Carlos)
segregation by sex
The main aim of present study was to analyze the spatial and temporal trends segregation by sex of blue shark (Prionace glauca) in the Eastern Atlantic and Western Mediterranean Sea from the individual bycatches by Spanish surface longline fleet. Our results indicate significant differences in the use of space between males and females. Thus, in low latitudes, within the observed range, sharks are mixed, but from North 38 degree of latitude tend to segregate. In the case of length, a similar pattern is observed, in low longitude sexes appear overlapped, and while to high longitude tend to appear segregated. All these results suggested segregation by sex in the Mediterranean where sharks are grouped in single-sex schools.
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