Abstract
Global review and inventory: how stable isotopes are helping us understand ecology and inform conservation of marine turtles
Highlights
IntroductionUnderstanding the complex life histories of marine turtles and identifying critical habitats is a research priority in marine turtle ecology (Hamann et al 2010, Rees et al 2016, Casale et al 2018)
Satellite telemetry is extensively used in marine turtle spatial ecology, offering detailed movement data on location and speed; this technique is expensive and often results in small sample sizes, limiting knowledge of population level behaviour (Godley et al 2008)
Samples from the Atlantic Ocean were further separated into the main Atlantic basin, Gulf of Mexico, Caribbean Sea, or subtropical Northwest Atlantic (SNWA) due to previously published differences in isotope ratios attributed to the spatial variation of isotope ratios at the base of the food web rather than dietary differences (Pajuelo et al 2012b, Vander Zanden et al 2013a, 2015, 2016, Tucker et al 2014, Ceriani et al 2017)
Summary
Understanding the complex life histories of marine turtles and identifying critical habitats is a research priority in marine turtle ecology (Hamann et al 2010, Rees et al 2016, Casale et al 2018). Flipper tagging requires large numbers to be tagged for successful recapture and offers no locational information between captures. Satellite telemetry is extensively used in marine turtle spatial ecology, offering detailed movement data on location and speed; this technique is expensive and often results in small sample sizes, limiting knowledge of population level behaviour (Godley et al 2008). For example, identify connectivity between rookeries and foraging grounds but genetic studies can require broad geographic regions to be sampled (Avise 2007, Komoroske et al 2017)
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