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Long-term individual sighting history database: an effective tool to monitor satellite tag effects on cetaceans

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Title Long-term individual sighting history database: an effective tool to monitor satellite tag effects on cetaceans
Names Gendron, D. (creator)
Serrano, I. Martinez (creator)
de la Cruz, A. Ugalde (creator)
Calambokidis, J. (creator)
Mate, B. (creator)
Date Issued 2015 (iso8601)
Note This is the publisher’s final pdf. The published article is copyrighted by the author(s) and published by Inter Research. The published article can be found at: http://www.int-res.com/journals/esr/esr-home/
Abstract During the last 3 decades, tagging technology has been used to study different
aspects of cetacean ecology. Tags implanted in animal’s blubber, muscle and surrounding tissue
have produced successful results, providing information on long-term movements. However,
apart from the reports of ‘divots’ (depressions) and swelling at the tag sites in re-sighted large
whales, little has been published about the long-term effects of tagging. Based on sighting history
databases of photo-identified blue whales, we monitored the wound site of a satellite tag on an
adult female blue whale over a period of 16 yr (1995 to 2011). This report describes the swelling
reaction to a broken subdermal attachment from a tag designed early in the evolution of large
whale tagging. The tag attachment remained embedded for a decade (much longer than
expected), and may have affected the female’s reproductive success during this period. The
whale’s calving history showed a total of 3 calves; 2 were prior to, and one occurred after, the
swelling period (1999 to 2007). We demonstrate the value of long-term monitoring programs in
evaluating tag impacts, especially on endangered species.
Genre Article
Access Condition http://creativecommons.org/licenses/by/3.0/us/
Topic Satellite tag
Identifier Gendron, D., Serrano, I. M., de la Cruz, A. U., Calambokidis, J., & Mate, B. (2015). Long-term individual sighting history database: an effective tool to monitor satellite tag effects on cetaceans. Endangered Species Research, 26(3), 235-241. doi:10.3354/esr00644

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