POPULATION DYNAMIC AND STOCKS ASSESSMENT OF KAWAKAWA (EUTHYNNUS AFFINIS ) IN COASTAL WATERS OF HORMOZGAN ( PERSIAN GULF AND SEA OF OMAN)

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HASHEMI SEYED AHMAD REZA; TAGHAVI MOTLAGH S.A.; KOCHANIAN PREETHA

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Journal Paper

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Journal: JOURNAL OF MARINE BIOLOGY Year:2009 | Volume:1 | Issue:1 Page(s): 86-101

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Title

POPULATION DYNAMIC AND STOCKS ASSESSMENT OF KAWAKAWA (EUTHYNNUS AFFINIS ) IN COASTAL WATERS OF HORMOZGAN ( PERSIAN GULF AND SEA OF OMAN)

Author(s)

HASHEMI SEYED AHMAD REZA | TAGHAVI MOTLAGH S.A. | KOCHANIAN PREETHA | Issue Writer Certificate

Keywords

EUTHYNNUS AFFINISQ3

GROWTH PARAMETERSQ2

STANDING STOCKQ3

STANDING CROPQ3

EXPLOITATION RATIOQ3

Abstract

EUTHYNNUS AFFINIS with local name: Zardah is an important species in scombrid fishery in the Hormozgan and southern Iran provinces. Catch management of this species in region is requiring to be known some biological parameters such as growth and mortality. In this research according to migration behavior of kawakawa in Hormozgan, Samples were collected from landing at four station: Gavbandy, Kong, Salakh and Jask. During Three years study from 2003 to 2005 more than 25000 specimens were measured, mean ±S.D Values for each year were 64/58±6/27, 64/73±7/2 and 62/96±5/31 respectively. The maximum and minimum total lengths were 25cm and 86cm respectively. Growth and mortality parameters were calculated for the 3 years as below, L∞: 89, 87 and 87 and K: 0.5, 0.52 and 0.53 and t0: -0.30,- 0.46, and -0.48, Z: 1.78, 2.72 and 2.62, M: 0.64, 0.66 and 0.67, F: 1.14, 2.06 and 1.95 respectively. EXPLOITATION RATIO (E) was estimated 0.64, 0.75 and 0.74 respectively. Exploitation rate, U : 0.53,0.7,0.68 and Annual total stock at beginning of year: 11566,7881,9060 T and Annual average STANDING STOCK , b : 5419, 2678 , 3159 T were also estimated for 2003 – 2005 respectively. Result in this study showed EXPLOITATION RATIO kawakawa stock is over fishing and decreases EXPLOITATION RATIO proposed.

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References

A STUDY ON POPULATION DYNAMICS OF KAWAKAWA (EUTHYNNUS AFFINIS) IN HORMUZGAN PROVINCE WATERS (PERSIAN GULF AND OMAN SEA)

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APA: Copy

HASHEMI, SEYED AHMAD REZA, TAGHAVI MOTLAGH, S.A., & KOCHANIAN, PREETHA. (2009). POPULATION DYNAMIC AND STOCKS ASSESSMENT OF KAWAKAWA (EUTHYNNUS AFFINIS ) IN COASTAL WATERS OF HORMOZGAN ( PERSIAN GULF AND SEA OF OMAN). JOURNAL OF MARINE BIOLOGY, 1(1), 86-101. SID. https://sid.ir/paper/174678/en

Vancouver: Copy

HASHEMI SEYED AHMAD REZA, TAGHAVI MOTLAGH S.A., KOCHANIAN PREETHA. POPULATION DYNAMIC AND STOCKS ASSESSMENT OF KAWAKAWA (EUTHYNNUS AFFINIS ) IN COASTAL WATERS OF HORMOZGAN ( PERSIAN GULF AND SEA OF OMAN). JOURNAL OF MARINE BIOLOGY[Internet]. 2009;1(1):86-101. Available from: https://sid.ir/paper/174678/en

IEEE: Copy

SEYED AHMAD REZA HASHEMI, S.A. TAGHAVI MOTLAGH, and PREETHA KOCHANIAN, “POPULATION DYNAMIC AND STOCKS ASSESSMENT OF KAWAKAWA (EUTHYNNUS AFFINIS ) IN COASTAL WATERS OF HORMOZGAN ( PERSIAN GULF AND SEA OF OMAN),” JOURNAL OF MARINE BIOLOGY, vol. 1, no. 1, pp. 86–101, 2009, [Online]. Available: https://sid.ir/paper/174678/en

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