A tank experimental analysis on the precision of size and abundance estimation using echo integration method
碩士 === 國立臺灣海洋大學 === 環境生物與漁業科學學系 === 102 === Echo integration has been widely used to estimate standing crops of fish resources, however, its reliability is highly constraint by the certainty of target discrimination and scaling factors. Commercial or experimental gear sampling is necessary to suppor...
Main Authors: | , |
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Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
2014
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Online Access: | http://ndltd.ncl.edu.tw/handle/06812382021116067050 |