SURVEY ON MONTHLY VARIATIONS CATCH PER UNIT EFFORT (CPUE) OF BENTHOSEMA PTEROTUM (ALCOCK, 1890) (MYCTOPHIDEA) IN IRANIAN WATERS OF THE OMAN SEA

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SADEGHI MAZIDI SASAN

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Journal: JOURNAL OF APPLIED ICHTHYOLOGICAL RESEARCH Year:2016 | Volume:4 | Issue:2 Page(s): 31-43

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Title

SURVEY ON MONTHLY VARIATIONS CATCH PER UNIT EFFORT (CPUE) OF BENTHOSEMA PTEROTUM (ALCOCK, 1890) (MYCTOPHIDEA) IN IRANIAN WATERS OF THE OMAN SEA

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SADEGHI MAZIDI SASAN | Issue Writer Certificate

Keywords

B. PTEROTUMQ2

GULF OF OMANQ2

CPUEQ2

IRANIAN WATERSQ2

HORMOZGANQ2

Abstract

The present study aimed to determine monthly variations catch per unit effort (CPUE) of Benthosema pterotum (Myctophidea) in Iranians waters of the Oman Sea. In this survey, more than 665 cases of hauling net were analyzed from April 2011 to march 2012. CPUE in different seasons were calculated as 937±45, 1002±51, 828±51 and 640±43 kg/h in spring, summer, autumn and winter, respectively. In terms of trawling time, CPUE was calculated as 1108±60 in 2-3, 802±31 in 3-4 and 732±40 kg/h in>4 hours range. Furthermore, CPUE was calculated for different trawling depth and represented 922±33 for <250m and 791±36 kg/h for >250m depth layers. According to daytime in daybreak, CPUE was calculated as 779±37, 987±42 in the middle of the day and 805±48 kg/h in afternoon. Nonparametric Kolmogorov-Smirnov test showed normal distribution of CPUE data. The ANOVA test showed significance different between CPUE in different seasons, trawling time, trawling depth and daytime (P<0.05). Linear regression confirmed the relationship between CPUE with trawling depth and trawling time. The Pearson rank correlation showed relationship between CPUE with trawling time (p=0.0007) and trawling depth (p=0.009).

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APA: Copy

SADEGHI MAZIDI, SASAN. (2016). SURVEY ON MONTHLY VARIATIONS CATCH PER UNIT EFFORT (CPUE) OF BENTHOSEMA PTEROTUM (ALCOCK, 1890) (MYCTOPHIDEA) IN IRANIAN WATERS OF THE OMAN SEA. JOURNAL OF APPLIED ICHTHYOLOGICAL RESEARCH, 4(2), 31-43. SID. https://sid.ir/paper/259501/en

Vancouver: Copy

SADEGHI MAZIDI SASAN. SURVEY ON MONTHLY VARIATIONS CATCH PER UNIT EFFORT (CPUE) OF BENTHOSEMA PTEROTUM (ALCOCK, 1890) (MYCTOPHIDEA) IN IRANIAN WATERS OF THE OMAN SEA. JOURNAL OF APPLIED ICHTHYOLOGICAL RESEARCH[Internet]. 2016;4(2):31-43. Available from: https://sid.ir/paper/259501/en

IEEE: Copy

SASAN SADEGHI MAZIDI, “SURVEY ON MONTHLY VARIATIONS CATCH PER UNIT EFFORT (CPUE) OF BENTHOSEMA PTEROTUM (ALCOCK, 1890) (MYCTOPHIDEA) IN IRANIAN WATERS OF THE OMAN SEA,” JOURNAL OF APPLIED ICHTHYOLOGICAL RESEARCH, vol. 4, no. 2, pp. 31–43, 2016, [Online]. Available: https://sid.ir/paper/259501/en

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