Age, growth and length at first maturity of Otolithes ruber in the Northwestern part of the Persian Gulf, based on age estimation using otolith
محل انتشار: مجله علوم شیلات ایران، دوره: 11، شماره: 1
سال انتشار: 1390
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 105
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شناسه ملی سند علمی:
JR_JIFRO-11-1_002
تاریخ نمایه سازی: 14 اسفند 1400
چکیده مقاله:
Estimates of age, growth parameters, length-weight relationship and length and age at first maturity of the otolithes ruber are required for fishery management. We used counting annuli on the section of sagittal otoliths to age O.ruber from the Northwest Persian Gulf in south of Iran. Estimated ages ranged from ۰ to ۶ years, and maximum frequency of fishes was observed in age-group ۱. The values of growth parameters L∞, k and to were calculated by von Bertalanffy model and the results were ۶۷.۵۷ (cm), ۰.۲۷ (year-۱) and -۰.۴۳ respectively. Parameters b and an in length-weight relationship were calculated ۳.۱۹ and ۰.۰۰۵ respectively. Length and age at first maturity were estimated ۲۸ cm and ۱.۵۵ year.
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