POPULATION DYNAMICS OF THE SPANISH MACKEREL (SCOMBEROMORUS COMMERSON) IN COASTAL WATERS OF OMAN SEA

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TAGHAVI MOTLAGH S.A.; SEYFABADI S.J.; GHODRATI SHOJAEI M.; ABTAHI BEHROUZ; TAHERI MIRGHAED A.

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Journal: Iranian Journal of Fisheries Sciences Year:2008 | Volume:7 | Issue:2 (SUPPLEMENTARY) Page(s): 257-270

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Title

POPULATION DYNAMICS OF THE SPANISH MACKEREL (SCOMBEROMORUS COMMERSON) IN COASTAL WATERS OF OMAN SEA

Author(s)

Keywords

SCOMBEROMORUS COMMERSONQ2

POPULATION DYNAMICSQ3

OMAN SEAQ3

IRANQ3

Abstract

Length composition data of narrow-barred Spanish mackerel, SCOMBEROMORUS COMMERSON (Lacepede 1800), landed between April 2002 to March 2004, were monthly used to estimate the growth, mortality and exploitation parameters of the stock. Maximum fork length and weight were 170 cm and 38 kg, respectively. Nonlinear least square fitting provided a complete set of von Bertalanffy growth estimates: L¥=178 cm (FL); K=0.28 and to= -0.36 years. The estimated value of total mortality based on length converted catch curve using these growth parameters is Z=0.95 year-I. Natural mortality based on growth parameters and mean environmental temperature (T=26.5°C) is M=0.36 year-1. Furthermore, the annual instantaneous fishing mortality rate of 0.59 year-I was by far in excess of the precautionary target (Fopt=0.18 year-1) and limit (Flimit=0.24 year-1) biological reference points, indicating that the resource is heavily over-exploited and the management of this species should be implanted rapidly if they are to remain sustainable.

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APA: Copy

TAGHAVI MOTLAGH, S.A., SEYFABADI, S.J., GHODRATI SHOJAEI, M., ABTAHI, BEHROUZ, & TAHERI MIRGHAED, A.. (2008). POPULATION DYNAMICS OF THE SPANISH MACKEREL (SCOMBEROMORUS COMMERSON) IN COASTAL WATERS OF OMAN SEA. IRANIAN JOURNAL OF FISHERIES SCIENCES, 7(2 (SUPPLEMENTARY)), 257-270. SID. https://sid.ir/paper/86026/en

Vancouver: Copy

TAGHAVI MOTLAGH S.A., SEYFABADI S.J., GHODRATI SHOJAEI M., ABTAHI BEHROUZ, TAHERI MIRGHAED A.. POPULATION DYNAMICS OF THE SPANISH MACKEREL (SCOMBEROMORUS COMMERSON) IN COASTAL WATERS OF OMAN SEA. IRANIAN JOURNAL OF FISHERIES SCIENCES[Internet]. 2008;7(2 (SUPPLEMENTARY)):257-270. Available from: https://sid.ir/paper/86026/en

IEEE: Copy

S.A. TAGHAVI MOTLAGH, S.J. SEYFABADI, M. GHODRATI SHOJAEI, BEHROUZ ABTAHI, and A. TAHERI MIRGHAED, “POPULATION DYNAMICS OF THE SPANISH MACKEREL (SCOMBEROMORUS COMMERSON) IN COASTAL WATERS OF OMAN SEA,” IRANIAN JOURNAL OF FISHERIES SCIENCES, vol. 7, no. 2 (SUPPLEMENTARY), pp. 257–270, 2008, [Online]. Available: https://sid.ir/paper/86026/en

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