Biotelemetry of crustacean decapods: sampling design, statistical analysis, and interpretation of data
Abstract
The implementation of ultrasonic telemetry as a technique to evaluate ecological traits of marine organisms has allowed biologists to obtain information that is hard or impossible to achieve by traditional sampling methods; which in turn improves the quantification, in their natural habitats, of activity patterns, movements, migrations, habitat utilization and zonation, among other biological and physiological variables. Despite its transcendence, this technique has been scantly applied in crustacean decapod studies, mainly due to the high costs involved (resources, time, and personnel) and the problem of how to analyze quantitatively telemetry data to test hypotheses. Thus, the aim of this article is to evaluate, discuss, and review the statistical methods employed in this discipline and make some recommendations concerning the sampling effort and efficiency, as well as to suggest appropriate ways to analyze data, specifically with frequentist statistics (parametric and nonparametric). Examples are given based on data previously published.
Keywords
Telemetry Movement analysis Sampling design Crabs LobstersNotes
Acknowledgments
This work is part of the project entitled “Ecología comunitaria y genética poblacional de jaibas Callinectes ornatus and Arenaeus cribrarius,” number 466 from the Instituto Venezolano de Investigaciones Científicas, IVIC.
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