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| Recent Advances in Hydroacoustic Assessment of Fish Populations in Marine and Riverine Environments Moderators: Debby Burwen, Suzanne Maxwell, and Dan Urban Date: Wednesday, September 13, 2005 Hydroacoustic techniques are often the only way to obtain inseason escapement estimates for fish stocks in rivers that are too wide for weir structures and too occluded for visual observations. Hydroacoustic survey methods are also used extensively for surveying stocks of fish in lake and marine environments. Use of hydroacoustic assessment techniques in rivers, lakes, and oceans continues to grow throughout the world as sonar technology and analytical methods for these applications continue to evolve and improve. In this symposium we plan to highlight innovative techniques for using hydroacoustic technology to assess fish populations in both marine and riverine environments. Papers have been submitted from a broad spectrum of applications that use acoustic methods to monitor fish populations and from a broad variety of agencies and research institutes. Interest in this symposium has been very high. We have received about 40 confirmed paper submissions. If the symposium is accepted, we plan to select the 20 papers that we believe will have the broadest appeal and emphasize the most topical areas in fisheries acoustics. This symposium fits well with the meeting theme of “Creating a Fisheries Mosaic.” Hydroacoustic assessment programs and research are frequently collaborative efforts of multiple agencies. Hydroacoustic assessment techniques are also used on a wide variety of the world’s most biologically and economically valuable fish stocks from cod and herring in the oceans to salmon and sturgeon in rivers. Link to list of presentations in this symposium Sponsors:
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American Fisheries Society
135th Annual Meeting
URL: http://www.wdafs.org/Anchorage2005/symposia.htm
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Last Updated:
September 4, 2005