English  |  正體中文  |  简体中文  |  Items with full text/Total items : 26988/38789
Visitors : 2352696      Online Users : 39
RC Version 4.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
Scope Adv. Search
LoginUploadHelpAboutAdminister

Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41613

Title: CPUE standardization of striped marlin ( Kajikia audax ) caught by Taiwanese longline fishery in the Indian Ocean
Authors: Sheng-Ping Wang;Tom Nishida
Contributors: 國立臺灣海洋大學:環境生物與漁業科學學系
Date: 2013
Issue Date: 2017-03-10
Publisher: The Eleventh Session of the IOTC Working Party on Billfish , Indian Ocean Tuna Commission (IOTC)
Abstract: Abstract:This study provided a CPUE standardization of striped marlin (Kajikia audax) caught by the Taiwanese longline fishery in the Indian Ocean for time periods of 1980-2011 and 1995-2011. The delta-lognormal GLM model is adopted to perform the CPUE standardization analysis since blue marlin is caught by Taiwanese longline fleet as bycatch species and large amount of zero catches are recorded in the operational data sets. The results indicate that the influence of incorporating environmental effects on CPUE standardization is not significant for striped marlin in the Indian Ocean. The CPUEs in Area MONS and Coastal area revealed similar trends and they substantially decreased since 1980 although the CPUE obviously fluctuated in early years. The CPUE in Area ISSG fluctuated before 1990, substantially increased between 1990 and 1995, and sharply decreased thereafter. In recent years, CPUEs obviously increased for all three areas. The area-aggregated CPUE obviously fluctuated before 1995 and it revealed obvious and continuous decline trend thereafter, while it slightly increased in recent two years.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41613
Appears in Collections:[環境生物與漁業科學學系] 演講及研討會

Files in This Item:

There are no files associated with this item.



All items in NTOUR are protected by copyright, with all rights reserved.

 


著作權政策宣告: 本網站之內容為國立臺灣海洋大學所收錄之機構典藏,無償提供學術研究與公眾教育等公益性使用,請合理使用本網站之內容,以尊重著作權人之權益。
網站維護: 海大圖資處 圖書系統組
DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - Feedback