NDLI: Seasonal marine mammal occurrence detected from passive acoustic monitoring in Scott Inlet, Nunavut, Canada

Content Provider	Springer Nature Link
Author	Marcoux, Marianne Ferguson, Steven H. Roy, Nathalie Bedard, Jeannette M. Simard, Yvan
Copyright Year	2016
Abstract	Monitoring Arctic wildlife is important due to the increasing potential impact of environmental and industrial changes. Passive acoustic monitoring (PAM) can be an important tool for wildlife management through observations of several species simultaneously along with abiotic elements such as industrial activity. Here, we use PAM methods to monitor the occurrence of marine mammals over an 8-month period (Oct 2012–May 2013) in Scott Inlet, Nunavut. When marine mammals were present, we investigated possible environmental correlates. Sea ice coverage strongly influenced detections of marine mammal sounds: narwhals and bowhead whales were only present before full ice cover occurred in the fall, while bearded seals and walruses could only be detected after ice formation. Tidal phase, time of the day, water temperature at 300 m depth, and air temperature all influenced detections of narwhal clicks. This PAM study provides a baseline measure for the presence of marine mammals over the fall to spring in Scott Inlet. Long-term PAM in the same location would allow us to document changes in the phenology of marine mammals at this site in relation to environmental changes.
Starting Page	1127
Ending Page	1138
Page Count	12
File Format	PDF
ISSN	07224060
Journal	Polar Biology
Volume Number	40
Issue Number	5
e-ISSN	14322056
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-10-19
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Automated detections Climate change Passive acoustic monitoring Whales Ecology Oceanography Microbiology Plant Sciences Zoology
Content Type	Text
Resource Type	Article
Subject	Agricultural and Biological Sciences

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