The investigation of some of biological parameters in catch composition of lobster (Panulirus homarus) in Coast of Oman Sea

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Rastiannasab a.h.; HOSSEINI S.A.A.

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Paper Information

Journal: NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES) Year:2015 | Volume:9 | Issue:1 Page(s): 47-54

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Title

The investigation of some of biological parameters in catch composition of lobster (Panulirus homarus) in Coast of Oman Sea

Author(s)

Rastiannasab a.h. | HOSSEINI S.A.A. | Issue Writer Certificate

Keywords

LobsterQ1

Oman SeaQ2

Biotic parametersQ2

Catch compositionQ2

Abstract

In this study, the monitoring of Lobster stocks in order to study of some population parameters such as catch per unit effort (CPUE), length-class frequency in catch component, time of spawning peak, the first maturity carapace length, length of 50 maturity, sex ratio of stock, the changes of catch content and efficiency of method and catch equipments of the species conducted in autumn and spring seasons. In order to performing this research, special cages were used in Chabahar and Ramin coasts (Oman Sea) and daily catch in 20 cages include 2143 Lobster measured and statistical analyses was performed during two months. According to results, the smallest and largest Lobsters in catch stock had 34mm and 112 mm carapace length, respectively. The smallest bred Lobster had 55mm carapace length. Length class of 50 maturity was 64-69 mm and sex ratio in the cage catch for female in autumn and spring was 64% and 50%, respectively. The peak of spawning activity observed in spring. There were remarkable differences in specimen’ s size in autumn and spring. Based on results the length groups of Lobster population had limited migration in different. The Catch composition of cages was a sign of inefficiency of these tools in prevention of catch of small specimens. The results of length groups and sex ratio and comparison with past years showed that sex equilibrium in Lobster population in Coast of Oman Sea was disturbed.

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APA: Copy

Rastiannasab, a.h., & HOSSEINI, S.A.A.. (2015). The investigation of some of biological parameters in catch composition of lobster (Panulirus homarus) in Coast of Oman Sea. NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES), 9(1 ), 47-54. SID. https://sid.ir/paper/161510/en

Vancouver: Copy

Rastiannasab a.h., HOSSEINI S.A.A.. The investigation of some of biological parameters in catch composition of lobster (Panulirus homarus) in Coast of Oman Sea. NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES)[Internet]. 2015;9(1 ):47-54. Available from: https://sid.ir/paper/161510/en

IEEE: Copy

a.h. Rastiannasab, and S.A.A. HOSSEINI, “The investigation of some of biological parameters in catch composition of lobster (Panulirus homarus) in Coast of Oman Sea,” NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES), vol. 9, no. 1 , pp. 47–54, 2015, [Online]. Available: https://sid.ir/paper/161510/en

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