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Passive Acoustic Monitoring Of Cetaceans

Author: Walter M. X. Zimmer
Publisher: Cambridge University Press
ISBN: 1139498096
Size: 12.28 MB
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Passive acoustic monitoring is increasingly used by the scientific community to study, survey and census marine mammals, especially cetaceans, many of which are easier to hear than to see. PAM is also used to support efforts to mitigate potential negative effects of human activities such as ship traffic, military and civilian sonar and offshore exploration. Walter Zimmer provides an integrated approach to PAM, combining physical principles, discussion of technical tools and application-oriented concepts of operations. Additionally, relevant information and tools necessary to assess existing and future PAM systems are presented, with Matlab code used to generate figures and results so readers can reproduce data and modify code to analyse the impact of changes. This allows the principles to be studied whilst discovering potential difficulties and side effects. Aimed at graduate students and researchers, the book provides all information and tools necessary to gain a comprehensive understanding of this interdisciplinary subject.

Marine Mammal Observer And Passive Acoustic Monitoring Handbook

Author: Victoria Todd
Publisher: Pelagic Publishing Ltd
ISBN: 1907807705
Size: 67.99 MB
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Marine Mammal Observer and Passive Acoustic Monitoring Handbook is the ultimate instruction manual for mitigation measures to minimise man-made acoustical and physical disturbances to marine mammals from industrial and defence activities.

Listening In The Ocean

Author: Whitlow W. L. Au
Publisher: Springer
ISBN: 1493931768
Size: 76.26 MB
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This title brings to light the discoveries and insights into the lives of many marine species made possible over the last decade by passive acoustic recorders (PAR). Pop-ups, ARF, HARP, EAR, Bprobe, C-POD Atag, and Dtag are the acronyms of some of the many PARs that have changed our understanding of how marine animals live and strive in the ocean. Various types of PARs are used by different investigators in different areas of the world. These recorders have accumulated copious amounts of very important data, unveiling previously unknown information about large marine animals. Temporal, seasonal and spatial distribution patterns have been uncovered for many marine species. There have been many discoveries, new understandings and insights into how these animals live in and utilize the ocean and the importance of acoustics in their lives. Listening Within the Ocean summarizes these important discoveries, providing both a valuable resource for researchers and enjoyable reading for non-professionals interested in marine life.

The Effects Of Noise On Aquatic Life

Author: Arthur Popper
Publisher: Springer Science & Business Media
ISBN: 1441973109
Size: 42.58 MB
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The Second International Conference on the Effects of Noise on Aquatic Life will take place in Ireland August 15-20, 2010. The main emphasis of the conference will be on defining the current state of knowledge. However, we will also assess progress in the three years since the First conference. The Second conference will place strong emphasis on recent research results, the sharing of ideas, discussion of experimental approaches, and analysis of regulatory issues.

Monitoring Cetaceans In The North Pacific

Size: 79.81 MB
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Two projects were undertaken to monitor cetaceans in the North Pacific. The first was designed to obtain passive acoustic data from the U.S. Navy's Northern Edge Range. Three instruments were deployed in April 2008 to monitor both high (up to 25 kHz) and low (up to 1 kHz) frequencies for odontocetes and mysticetes, respectively. Unfortunately, these instruments did not record any data. The second project was to analyze retrospective data obtained by analysts at the Whidbey Island NAVFAC for broad regions of the North Pacific. Long-term (1996-2002) trends of blue and fin whale vocalizations were found to have strong seasonal and geographic differences. Furthermore, the number of fin whale call events detected increased significantly over time throughout the North Pacific. Onset and continuation of fin whale calling seemed to be primarily driven by day length, while blue whale calling behavior was influenced by combinations of sea surface temperature, surface chlorophyll a concentration, and day length. Two manuscripts for peer-reviewed publications have been prepared for these data.