Papers From The Symposium On Acoustic Methods In Fisheries Research PDF Download
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Release | : 1973 |
Genre | : Fisheries |
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Download Papers from the Symposium on Acoustic Methods in Fisheries Research Book in PDF, ePub and Kindle
Author | : A. R. Margetts |
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Total Pages | : 327 |
Release | : 1977 |
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Download HYDRO-ACOUSTICS IN FISHERIES RESEARCH Book in PDF, ePub and Kindle
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Download HYDRO-ACOUSTICS IN FISHERIES RESEARCH- SYMPOSIUM- SELECTED PAPERS- INTERNATIONAL COUNCIL FOR THE EXPLORATION OF THE SEA- FAO- INTERNATIONAL COMMISSION FOR THE NORTHWEST ATLANTIC FISHERIES. Book in PDF, ePub and Kindle
Author | : A. R. Margetts |
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Total Pages | : 578 |
Release | : 1977 |
Genre | : Echo sounding in fishing |
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Download Hydro-acoustics in Fisheries Research Book in PDF, ePub and Kindle
Includes bibliographical references.
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Total Pages | : 770 |
Release | : 1964 |
Genre | : Fisheries |
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Download EIFAC Technical Paper Book in PDF, ePub and Kindle
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Total Pages | : 0 |
Release | : 1983 |
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Download Selected papers oof the Symposium on Fisheries Acoustics Book in PDF, ePub and Kindle
Author | : S. C. Venema |
Publisher | : |
Total Pages | : 160 |
Release | : 1985 |
Genre | : Echo sounding in fishing |
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Download A Selected Bibliography of Acoustics in Fisheries Research and Related Fields Book in PDF, ePub and Kindle
Author | : Food and Agriculture Organization of the United Nations |
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Total Pages | : 200 |
Release | : 1984 |
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Download Symposium on Fisheries Acoustics - Selected Papers of the Ices Book in PDF, ePub and Kindle
Author | : Odd Nakken |
Publisher | : Tapir Academic Press |
Total Pages | : 196 |
Release | : 2008 |
Genre | : Nature |
ISBN | : 9788251923675 |
Download Norwegian Spring-spawning Herring & Northeast Arctic Cod Book in PDF, ePub and Kindle
Norwegian spring-spawning herring and Northeast Arctic cod are two of the largest and commercially most important fish stocks in the North Atlantic. Both these stocks have their spawning fields along the Norwegian coast and they have been the major target species for Norwegian fisheries for a millennium. They are also among the few fish stocks in the world which have been systematically investigated and monitored for more than a century. The scientific results, arrived at early in the 20th century for these two stocks, formed the basis for much of the development in international fisheries science later on. This book describes how fisheries, fisheries science, and management for Norwegian spring-spawning herring and Northeast Arctic cod developed during the 20th century. Over time, both populations developed serious decline in stock size and yield due to overfishing. The herring stock was in a state of collapse for about 20 years. Management measures that were then introduced permitted both stocks to recover in the 1990s. The contributors to the book have all been working as fisheries scientists at the Institute of Marine Research in Bergen.
Author | : Odd Nakken |
Publisher | : Conran Octopus |
Total Pages | : 352 |
Release | : 1983 |
Genre | : Acoustical engineering |
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Download Symposium on Fisheries Acoustics Book in PDF, ePub and Kindle
This document contains 36 of the 97 papers presented at the ICES/FAO Symposium on Fisheries Acoustics held in Bergen, Norway, 21-24 June 1982. The papers have been arranged by main topics, dealing with general definitions, physical principles, including the acoustic beam size, calibration of equipment, target strength studies, school and multiple echoes, data handling, survey results and application, comparisons with results from other data, statistics and design of surveys. A list of other papers presented at the Symposium is included.