中国海洋湖沼学报(英文版)2012,Vol.30Issue(4):554-562,9.
Measurement of single-fish target strength in the South China Sea
Measurement of single-fish target strength in the South China Sea
摘要
Abstract
We measured the target strength (TS) of three commercial fish species:whitespotted spinefoot (Siganus canaliculatus),black porgy (Acanthopagrus schlegelii),and creek red bream (Lutjanus argentimaculatus),in the South China Sea.The TS of caged or tethered fish (n=76 total) was measured using a Simrad EY60 portable scientific echosounder at 120 kHz.We evaluated the relationship between TS and total length (TL,cm) for the three species.This is the first attempt to use split-beam acoustics to measure single-fish TS in the South China Sea by Chinese researchers.Our results will improve the accuracy and precision of acoustic abundance estimates of commercially important species and further the development of underwater acoustic survey techniques in fisheries in the South China Sea.关键词
target strength (TS)/single-fish/caging experiment/tethering experiment/South China SeaKey words
target strength (TS)/single-fish/caging experiment/tethering experiment/South China Sea引用本文复制引用
CHEN Guobao,LI Yongzhen,CHEN Pimao,ZHANG Jun,FANG Lichen,LI Nana..Measurement of single-fish target strength in the South China Sea[J].中国海洋湖沼学报(英文版),2012,30(4):554-562,9.基金项目
Supported by the National High Technology Research and Development Program of China (863 Program) (No.2006AA100303),the Science and Technology Project of Guangdong Province,China (No.2007B020708001),the Special Funds for Operating Expenses of Basic Researches in the Central Nonprofit Scientific Research Institutes (Nos.2008TS01,2007Z D03),and the Natural Science Foundation of Guangdong Province,China (No.04001263) (863 Program)