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Marine Ecology Progress Series

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MEPS 395:21-36 (2009)  -  DOI:

Management and research applications of real-time and archival passive acoustic sensors over varying temporal and spatial scales

Sofie M. Van Parijs1,*, Chris W. Clark2, Renata S. Sousa-Lima2,3, Susan E. Parks4,  Shannon Rankin5, Denise Risch1,6, Ilse C. Van Opzeeland7

1Northeast Fisheries Science Center, 166 Water Street, Woods Hole, Massachusetts 02543, USA
2Bioacoustics Research Program, Cornell Lab. of Ornithology, Sapsucker Woods Road, Ithaca, New York 14850, USA
3Instituto Baleia Jubarte, Rua Barão do Rio Branco, 26, Caravelas, BA 45900-000, Brazil
4The Pennsylvania State University, Applied Research Laboratory, PO Box 30, State College, Pennsylvania 16804-0030, USA
5Southwest Fisheries Science Center, 3333 N. Torrey Pines Court, La Jolla, California 92037, USA
6Integrated Statistics, 9 Sumner Road, Woods Hole, Massachusetts 02543, USA
7Alfred Wegener Institute for Polar and Marine Research, Department of Ocean Acoustics, Am Alten Hafen 26, 27568 Bremerhaven, Germany

ABSTRACT: Defining the appropriate scale over which to conduct a study in the marine environment is critical to achieving appropriate scientific, management, mitigation and conservation objectives. This paper focuses on applications of passive acoustic technologies over a range of spatial and temporal scales. It is divided into sections dealing with archival and real-time passive acoustic sensor applications. Each section assesses the principles behind using the respective technology and provides recent examples of research and management applications for marine mammals and fish. The section on archival sensors highlights the need for continued development of automated acoustic detectors to assess large data sets. Case studies are presented of detectors developed for determining seasonal occurrence and distribution of haddock sounds and humpback whale vocalizations. Also presented are studies of other applications using archival sensors: tracking singing humpback whales in Brazil, using vocalizations to assess the reproductive strategies of Arctic bearded seals and assessing regional variability in call patterns for North Atlantic right whales. The section on real-time passive acoustic sensors focuses on real-time buoys and towed arrays. Case studies presented include a real-time buoy system used for monitoring endangered North Atlantic right whales and a stationary autonomous array providing real-time access to Antarctic acoustic data. The value of using towed arrays for real-time applications is also assessed, and a case study is provided on the use of towed arrays to improve abundance estimates of North Pacific cetaceans and to better understand vocalization behaviors.

KEY WORDS: Passive acoustics · Mesoscale · Archival arrays · Real-time buoys · Towed arrays · Localization · Automated detection · Marine mammals · Fish

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Cite this article as: Van Parijs SM, Clark CW, Sousa-Lima RS, Parks SE, Rankin S, Risch D, Van Opzeeland IC (2009) Management and research applications of real-time and archival passive acoustic sensors over varying temporal and spatial scales. Mar Ecol Prog Ser 395:21-36.

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