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© Joseph Naccarato 2016

Publications

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Diving behaviour of a critically endangered crocodilian: ecological drivers and conservation implications

Abstract This study explores the diving behaviour of the critically endangered gharial (Gavialis gangeticus) to understand how these airbreathing aquatic reptiles utilise river depth for foraging, avoidance to disturbance, thermoregulation and energy conservation. Four captive-bred adult gharials (1 M:3 F; body lengths 345–384 cm) were introduced into the Mahanadi River,…

Post-breeding dispersal of nesting marine turtles from the NEOM Islands, Saudi Arabia

Abstract Marine turtles, such as green (Chelonia mydas) and hawksbill (Eretmochelys imbricata), face numerous threats across their habitats. While they nest in the Red Sea, limited knowledge exists about their inter-nesting habitats and post-breeding movements. The NEOM Islands support ~ 95% of all documented nesting in the northeastern Red Sea,…

Movement ecology of a deep-pelagic mesopredator, the bigscale pomfret: implications for pelagic food web connectivity and fishery susceptibility

Abstract The bigscale pomfret Taractichthys longipinnis is assumed to be a deep-pelagic fish that occurs primarily below 200 m but above the seafloor during the daytime. However, the lack of movement data for this and related species precludes precise ecological classification. Here, we used satellite telemetry to overcome historical methodological…

Scratching the surface: Swimming depths of multiple shark species in New York coastal waters and implications for aerial monitoring

Abstract Objective: Swimming at the sea surface is a behavior exhibited by numerous shark species; however, depth distributions vary considerably by species, individual behavior states, and environmental conditions. Given the growing use of aerial surveillance tools for shark population monitoring and beach safety in New York coastal waters, our objective…

Life stage and seasonal habitat use of the porbeagle Lamna nasus in the Northwest Atlantic Ocean

Abstract For highly mobile marine species such as pelagic elasmobranchs, the development of effective spatial management requires a comprehensive understanding of movement ecology. Research incorporating movement data across seasons and life stages, including reproductive states, is valuable for informing spatial management, yet is absent for most species. In the Northwest…

Open Protocols, the new standard for acoustic tracking: results from interoperability and performance tests in European waters

Abstract Background The lack of compatibility between acoustic telemetry equipment from different manufacturers has been a major obstacle to consolidating large collaborative tracking networks. Undisclosed encrypted signal coding protocols limit the use of acoustic telemetry to study animal movements over large spatial scales, reduce competition between manufacturers, and stifle innovation.…

Scratching the surface: Swimming depths of multiple shark species in New York coastal waters and implications for aerial monitoring

Abstract Objective: Swimming at the sea surface is a behavior exhibited by numerous shark species; however, depth distributions vary considerably by species, individual behavior states, and environmental conditions. Given the growing use of aerial surveillance tools for shark population monitoring and beach safety in New York coastal waters, our objective…

First evidence of predation on an adult porbeagle equipped with a pop-off satellite archival tag in the Northwest Atlantic

Abstract Pop-off satellite archival tags (PSATs) have been increasingly deployed on marine megafauna to remotely monitor their  movements, behavior, and environmental preferences. These tags have also allowed the occasional novel documentation of ecological interactions, such as predation on tagged animals. A PSAT deployed on a pregnant porbeagle Lamna nasus in…

Novel Microsatellite Tags Hold Promise for Illuminating the Lost Years in Four Sea Turtle Species

Abstract After hatching, sea turtles leave the nest and disperse into the ocean. Many years later, they return to their natal coastlines. The period between their leaving and their returning to natal areas, known as the “Lost Years”, is poorly understood. Satellite tracking studies aimed at studying the “Lost Years”…

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