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Carleton University Research at CEI

March 27, 2012

Researchers from Carleton University (Cooke Lab) was at CEI last week studying flats ecology. The team is determining whether radio tags can be used to track the movements of checkered puffers in shallow mangrove habitats. Radio tags normally are used only in freshwater because signals are attenuated by sea water. However, the researchers have modified the tags such that the antenna points vertically and breaks the water surface as puffers swim about in tidal creeks. In addition, the researchers placed tri-axial accelerometer loggers on bonefish in McKinney Creek at CEI. The loggers record information on swimming (e.g., tail beats) and feeding (e.g., tilting as they dip their heads to feed) activity. This is the first time that such loggers have been used on bonefish and will provide information that will serve as the basis for a bonefish bioenergetics model. The same loggers were also placed on some fish in Kemps Creek to evaluate the effects of different handling techniques on post-release behaviour. The Carleton team includes Jake Brownscombe, Felicia St. Louis, Charles Hatry, Jason Thiem, and Dr. Steven Cooke.

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