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 پایگاه استنادی علوم جهان اسلام (ISC)

پایگاه اطلاعات جهاد دانشگاهی (SID) 

بانک نشریات کشور (مگیران)




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Journal DOI


:: Volume 17, Issue 2 (2018) ::
IJFS 2018, 17 Back to browse issues page
Growth, mortality and exploitation of buccaneer anchovy (Encrasicholina punctifer Fowler, 1938) from the north Persian Gulf and Oman Sea
A. Salarpouri , E. Kamrani * , F. Kaymaram , R. Mahdavi Najafabadi
Department of Fisheries, Faculty of Marine Science and Technology, Hormozgan University, Bandar Abbas, Iran. P.O. Box: 3955 , ehsan.kamrani@hormozgan.ac.ir
Abstract:   (4741 Views)
The population parameters of Encrasicholina punctifer (buccaneer anchovy) from commercial fisheries in the Persian Gulf and Oman Sea coastal waters were studied from October 2014 to September 2015. A total of 13951 length-frequency data were collected monthly by pair-boat purse seine and beach seine methods. The asymptotic length (L) and Von Bertalanffy growth function (K) were 11.5 cm and K=1.4 per year, respectively. The value of to was calculated as -0.14 year. Longevity was estimated as 2 years. The total length ranged from 2.9 to 10.1 cm, with an average of 6.5 cm. The probability of capture was calculated in total length as L25=6.05 cm, L50=6.48 cm and L75=6.93 cm.  Four cohorts were distinguished annually with mean lengths of 4.56, 5.77, 7.21 and 8.50 cm. The length-weight relationship was determined as W= 0.0051 L 3.1114. Total, natural and fishing mortality parameters were estimated as 6.15, 2.84 and 3.32 yr-1 respectively. The current rate of exploitation (E) was 0.54, and the values of exploitation ratio was found reasonable for current fishing effort. From the yield-per-recruit analysis, Emax, was estimated as 0.91. The results indicated that the buccaneer anchovy stock was not overexploited. Since Emax, it confirmed the good potential of anchovy stock in the area.
Keywords: Encrasicholina punctifer, Growth, Mortality, Persian Gulf, Oman Sea
Full-Text [PDF 578 kb]   (3581 Downloads)    
Type of Study: Orginal research papers |
Received: 2018/03/17 | Accepted: 2018/03/17 | Published: 2018/03/17
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Salarpouri A, Kamrani E, Kaymaram F, Mahdavi Najafabadi R. Growth, mortality and exploitation of buccaneer anchovy (Encrasicholina punctifer Fowler, 1938) from the north Persian Gulf and Oman Sea. IJFS 2018; 17 (2) :313-326
URL: http://jifro.ir/article-1-3352-en.html

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Volume 17, Issue 2 (2018) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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