LENGTH COMPOSITION, GROWTH, MORTALITY AND EXPLOITATION RATE OF KING FISH (SCOMBEROMORUS COMMERSON) IN THE COASTAL WATERS OF BOUSHEHR PROVINCE

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FAKHRI ALI; TAGHAVI MOTLAGH AMINOLLAH; KOCHANIAN PREETA; SAFAHIEH ALIREZA

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Journal: Journal of Oceanography Year:2011 | Volume:2 | Issue:7 Page(s): 47-55

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Information Journal Paper

Title

LENGTH COMPOSITION, GROWTH, MORTALITY AND EXPLOITATION RATE OF KING FISH (SCOMBEROMORUS COMMERSON) IN THE COASTAL WATERS OF BOUSHEHR PROVINCE

Author(s)

FAKHRI ALI | TAGHAVI MOTLAGH AMINOLLAH | KOCHANIAN PREETA | SAFAHIEH ALIREZA | Issue Writer Certificate

Keywords

GROWTHQ2

MORTALITYQ2

SCOMBEROMORUS COMMERSONQ2

EXPLOITATIONQ2

BOUSHEHRQ2

PERSIAN GULFQ2

Abstract

Length composition, GROWTH, MORTALITY and EXPLOITATION rate of King fish, SCOMBEROMORUS COMMERSON, was studied in the coastal waters of BOUSHEHR Province, PERSIAN GULF 2008 and 2009. In total, 5801 S. commerson were sampled at random from tree major landings in the study area. This study covered all the length classes over a one year period. Fork length ranged from 13 to 131 cm. The FiSAT software was used to estimate the GROWTH parameters of the von Bertalanffy GROWTH equation. The von Bertalanffy GROWTH equation could be written as L=137.34 [1-exp (-0.35 (t+0.31))]. GROWTH performance index was 3.82. MORTALITY rates were Z=1.81 year-1, M=0.448 year-1 and F=1.36 year-1 for total, natural and fishing MORTALITY, respectively. The EXPLOITATION rate, E was estimated to be 0.75.The annual instantaneous rate of fishing MORTALITY (F=1.36 year-1) was considerably greater than the target (Fopt=0.22 year-1) and limit (Flimit= 0.29 year-1) biological reference points, indicating that the stock is overexploited.

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APA: Copy

FAKHRI, ALI, TAGHAVI MOTLAGH, AMINOLLAH, KOCHANIAN, PREETA, & SAFAHIEH, ALIREZA. (2011). LENGTH COMPOSITION, GROWTH, MORTALITY AND EXPLOITATION RATE OF KING FISH (SCOMBEROMORUS COMMERSON) IN THE COASTAL WATERS OF BOUSHEHR PROVINCE. JOURNAL OF OCEANOGRAPHY, 2(7), 47-55. SID. https://sid.ir/paper/158144/en

Vancouver: Copy

FAKHRI ALI, TAGHAVI MOTLAGH AMINOLLAH, KOCHANIAN PREETA, SAFAHIEH ALIREZA. LENGTH COMPOSITION, GROWTH, MORTALITY AND EXPLOITATION RATE OF KING FISH (SCOMBEROMORUS COMMERSON) IN THE COASTAL WATERS OF BOUSHEHR PROVINCE. JOURNAL OF OCEANOGRAPHY[Internet]. 2011;2(7):47-55. Available from: https://sid.ir/paper/158144/en

IEEE: Copy

ALI FAKHRI, AMINOLLAH TAGHAVI MOTLAGH, PREETA KOCHANIAN, and ALIREZA SAFAHIEH, “LENGTH COMPOSITION, GROWTH, MORTALITY AND EXPLOITATION RATE OF KING FISH (SCOMBEROMORUS COMMERSON) IN THE COASTAL WATERS OF BOUSHEHR PROVINCE,” JOURNAL OF OCEANOGRAPHY, vol. 2, no. 7, pp. 47–55, 2011, [Online]. Available: https://sid.ir/paper/158144/en

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