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Marine Ecology Progress Series

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MEPS 502:245-255 (2014)  -  DOI:

Fitting the size of no-take zones to species movement patterns: a case study on a Mediterranean seabream

Manfredi Di Lorenzo1, Giovanni D’Anna2, Fabio Badalamenti2, Vincenzo Maximiliano Giacalone3, Richard M. Starr4,5, Paolo Guidetti1,6,*

1Laboratory of Conservation and Management of Marine and Coastal Resources, DiSTeBA, University of Salento,
73100 Lecce, Italy
2CNR-IAMC, Sede di Castellammare del Golfo, Via G. da Verrazzano 17, 91014 Castellammare del Golfo (TP), Italy
3CNR-IAMC, U.O. Capo Granitola, Via del Mare 3, 91021 Torretta Granitola (TP), Italy
4Moss Landing Marine Laboratories, and 5University of California Sea Grant Extension Program, 8272 Moss Landing Road, Moss Landing, California 95039, USA
6Université de Nice Sophia-Antipolis, Faculté des Sciences, EA 4228 ECOMERS, 06108 Nice cedex 2, France
*Corresponding author.

ABSTRACT: No-take zones (NTZs) have been shown to be useful tools for marine conservation and fishery management, although the lack of information on species’ movements often makes it difficult to properly establish NTZ size. Using acoustic telemetry techniques, we monitored the movements, home range (HR) and homing ability (to capture sites) of 22 adult white seabream Diplodus sargus sargus in a fully protected portion (138.60 ha) of the Torre Guaceto Marine Protected Area (SE Italy). After release at a different location than the site of capture, 85% of the tagged fish returned to the capture site within 3 d. Fish were monitored for 161 d. All tagged fish spent most of the time within the monitoring area (fish presence index = 92.8%) and showed a mean HR of 20.6 ha. These results indicate that the studied NTZ effectively protects seabream, as it entirely encompasses their HRs, which are on average far smaller than the reserve. Twelve individuals left the monitoring area during the period of the year that corresponds to their known time of spawning. This potential emigration during the spawning period indicates that the reserve alone does not fully protect white seabream and that other management options, such as a seasonal fishing closure during the reproductive period, may be needed. Estimates of movement patterns and HRs of fishes, therefore, represent useful information to better understand, refine and enhance the value of NTZs for protecting ecologically valuable species.

KEY WORDS: Marine reserve · Marine Protected Area · Diplodus sargus sargus · Acoustic telemetry · Fish Presence Index · FPI · Home range · Homing behavior · Wandering behavior

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Cite this article as: Di Lorenzo M, D’Anna G, Badalamenti F, Giacalone VM, Starr RM, Guidetti P (2014) Fitting the size of no-take zones to species movement patterns: a case study on a Mediterranean seabream. Mar Ecol Prog Ser 502:245-255.

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