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تعیین سن و پارامترهای رشد ماهی شوریده (Otolithes ruber) در آبهای استان هرمزگان (خلیج فارس) | ||
| فصلنامه علمی زیست شناسی جانوری تجربی | ||
| مقاله 3، دوره 7، شماره 4 - شماره پیاپی 28، اردیبهشت 1398، صفحه 29-38 اصل مقاله (1.04 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.30473/eab.2019.5678 | ||
| نویسندگان | ||
| تورج ولی نسب* 1؛ عیسی کمالی2؛ رضا دهقانی3؛ حجت الله فروغی فرد4 | ||
| 1استاد پژوهشی، مؤسسه تحقیقات علوم شیلاتی کشور، صندوق پستی 6116-14155، تهران، ایران | ||
| 2مربی پژوهشی، پژوهشکده اکولوژی خلیج فارس و دریای عمان، صندوق پستی 1597-79145، بندرعباس، ایران | ||
| 3پژوهشگر، پژوهشکده اکولوژی خلیج فارس و دریای عمان، صندوق پستی 1597-79145، بندرعباس، ایران | ||
| 4استادیار پژوهشی، پژوهشکده اکولوژی خلیج فارس و دریای عمان، صندوق پستی 1597-79145، بندرعباس، ایران | ||
| چکیده | ||
| چکیده تعیین سن و رشد ماهی در مدیریت و بیولوژی شیلاتی اصلی بنیادی است وپارامترهای بهدستآمده ازتعیین سن نظیر نرخ مرگومیر و رشد، زیربنای مدلهای پویایی جمعیت آبزی میباشد. در این تحقیق گونه شوریده (Otolithes ruber) از شهریور 1387 تا آذرماه 1388 مورد بررسی قرار گرفتند. در طی 15 ماه بررسی، جمعاً 540 عدد ماهی شوریده از مناطق تخلیه صید جمعآوری و سن و پارامترهای رشد آن بررسی شد. در مجموع سنگگوش 520 ماهی شوریده استخراج و نگهداری شد که از این تعداد 238 نمونه در این تحقیق برای برش انتخاب و مقاطع عرضی از آن تهیه گشت. تعیین سن ماهی با استفاده برش سنگگوش انجام شد. معادله رشد برای شوریده (( 369/1 + t )151/0 - e – 1 )72 = Lt بدست آمد. در این تحقیق کوچکترین نمونه به طول 18 سانتیمتر بود که 25/0 سال سن داشت و بزرگترین طول 54 سانتیمتر که سن 8 سال برای آن تخمین زده شد. رابطه طول و وزن برای شوریده برابر با 1268/3 L 0064/0 = W برآورد گردید. ضریب مرگومیر کل برای شوریده به مقدار 4606/0 بهدست آمد. | ||
| کلیدواژهها | ||
| واژههای کلیدی: خلیج فارس؛ رشد؛ سن؛ شوریده؛ هرمزگان | ||
| عنوان مقاله [English] | ||
| Determination of age and growth parameters of Otolithes ruber in Persian Gulf waters (Hormuzgan) | ||
| نویسندگان [English] | ||
| Tooraj valinasab1؛ Eassa Kamali2؛ Reza Dehghani3؛ Hojjatollah Fourooghifard4 | ||
| 1Research Professor, Fisheries Sciences Research Institute of Iran, PO Box: 6116-14155, Tehran, Iran | ||
| 2Research Instructor, Persian Gulf and Oman Sea Ecological Research Centre, Post Box: 79145-1597, Bandar Abbas, Iran | ||
| 3Researcher, Persian Gulf and Oman Sea Ecological Research Centre, Post Box: 79145-1597, Bandar Abbas, Iran | ||
| 4Assistant Professor, Persian Gulf and Oman Sea Ecological Research Centre, Post Box: 79145-1597, Bandar Abbas, Iran، | ||
| چکیده [English] | ||
| Abstract The study of age and growth of aquatics is basic and necessary information for further fisheries management. By aging the fishes, we can estimate the population dynamics parameters such as growth and mortality rates. In this study the Otolithes ruber (Tiger toothed croaker) was selected as one of the most important and commercial species for aging from September 2008 to November 2009. During 15 months, a total of 540 specimens were collected and 238 sagitta otoliths were extracted and then were sectioned in laboratory using microtome cutter. The sectioned otoliths were aged by reading the increment rings. The overall Von-Bertalanffy growth equation was estimated as L(t)= 72(1-e -0.151(t+1.369)). The smallest fish was 18 cm total length and with an estimated age of 0.25 yrs; and the biggest size was 54 cm with the age of 8 yrs. The Length-weight relationship was found as W=0.0064 TL3.1268. The natural mortality of croaker was estimated 0.4604 per year. | ||
| کلیدواژهها [English] | ||
| Keywords: Aging, growth, Hormuzgan, Persian Gulf, Tiger toothed croaker | ||
| مراجع | ||
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