fa مقاله علمی – پژوهشی:‌ مطالعه الگوی رشد نسبی، دوشکلی جنسی و اندازه بلوغ مورفومتریک دو گونه خرچنگ Ocypode rotundata (Miers, 1882) و Austruca iranica (Pretzmann, 1971) در سواحل جزیره قشم، خلیج فارس بيولوژي آبزيان بيولوژي آبزيان پژوهشي Research <span style="font-size:11pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">در این مطالعه رشد نسبی، دوشکلی جنسی و اندازه بلوغ مورفومتریک خرچنگ </span></span></span><i><span dir="LTR" lang="RU" style="color:black">Ocypode rotundata</span></i><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> در ساحل جنوب غربی و </span></span></span><i><span dir="LTR" lang="RU" style="color:black">Austruca iranica</span></i> <span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">در ساحل شمالی جزیره قشم بررسی شدند. نمونه‌ها در بهمن ماه سال 1400 جمع‌آوری شدند. براساس پهنای کاراپاس، خرچنگ‌های جنس نر </span></span></span><i><span dir="LTR" style="color:black">O.</span></i><i><span dir="LTR" lang="RU" style="color:black"> rotundata</span></i><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> (</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">1/33</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> میلی‌متر) و </span></span></span><i><span dir="LTR" style="color:black">A.</span></i><i> </i><i><span dir="LTR" style="color:black">iranica</span></i><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> (</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">4/12</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> میلی‌متر) دارای میانگین پهنای کاراپاس بیشتری نسبت به جنس ماده (</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">2/32 </span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">میلی‌متر و </span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">2/11 میلی‌متر</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">) بودند. جنس نر و ماده </span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">خرچنگ </span></span></span><i><span dir="LTR" style="color:black">A.</span></i><i> </i><i><span dir="LTR" style="color:black">iranica</span></i><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> در سه صفت (پهنای اولین بند شکمی، پهنای چهارمین بند شکمی و پهنای ششمین بند شکمی) و جنس نر و ماده خرچنگ </span></span></span><i><span dir="LTR" style="color:black">O.</span></i><i><span dir="LTR" lang="RU" style="color:black"> rotundata</span></i><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> در چهار صفت ریخت‌سنجی نسبی (طول شکمی، پهنای اولین بند شکمی، پهنای چهارمین بند شکمی و پهنای ششمین بند شکمی) با یکدیگر تفاوت معنی‌دار داشتند (05/0 > </span></span></span><i><span dir="LTR" lang="RU" style="color:black">p</span></i><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">). &nbsp;</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">مقادیر </span></span></span><span dir="LTR" style="color:black">CW₅₀</span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> (میانگین </span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">طول بلوغ جنسی</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">) </span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"></span></span></span><span lang="RU" dir="LTR" style="color:black"></span><span lang="RU" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"></span></span></span><span style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"></span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">محاسبه شده براساس بلوغ مرفومتریک برای جنس نر خرچنگ </span></span></span><i><span dir="LTR" style="color:black">O.</span></i><i><span dir="LTR" lang="RU" style="color:black"> rotundata</span></i><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> به سه روش </span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">معمول، بوت استرپ و بیزین به‌ترتیب برابر با 02/33، 82/32 و 05/33 میلی‌متر بود. برای جنس ماده در هر سه روش </span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">برابر با 29 میلی‌متر محاسبه شد.</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> همچنین، مقادیر بلوغ مورفومتریک برآورد شده برای </span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">خرچنگ</span></span></span> <i><span dir="LTR" style="color:black">A. iranica</span></i><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> در سه روش استفاده <span style="letter-spacing:-.2pt">شده برای هر جنس تقریباً با هم برابر بودند به‌طوری‌که مقادیر </span></span></span></span><span dir="LTR" style="color:black"><span style="letter-spacing:-.2pt">CW₅₀</span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.2pt"></span></span></span></span><span dir="LTR" lang="RU" style="color:black"><span style="letter-spacing:-.2pt"></span></span><span lang="RU" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.2pt"></span></span></span></span><span style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.2pt"></span></span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.2pt">&nbsp;برای جنس نر و ماده به‌ترتیب 61/11 و 15/9 میلی‌متر به‌دست آمد. براساس نتایج، مقدار </span></span></span></span><span dir="LTR" style="color:black"><span style="letter-spacing:-.2pt">CW₅₀</span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.2pt"></span></span></span></span><span dir="LTR" lang="RU" style="color:black"><span style="letter-spacing:-.2pt"></span></span><span lang="RU" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.2pt"></span></span></span></span><span style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.2pt"></span></span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"><span style="letter-spacing:-.2pt">&nbsp;جنس نر در هر دو گونه مورد مطالعه</span></span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> بیشتر از جنس ماده </span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">برآورد شد</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">.</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"></span></span></span></span></span></span></span> <span style="font-size:11pt"><span style="line-height:17.0pt"><span sans-serif="" style="font-family:Calibri,"><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">In this study, relative growth, sexual dimorphism, and </span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">morphometric maturity of </span></span></span><i><span lang="RU" style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">Ocypode rotundata</span></span></span></i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> and </span></span></span><i><span lang="RU" style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">Austruca iranica</span></span></span></i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> were investigated on western south and northern of Qeshm Island. The samples were collected in February 2021. Based on the carapace width, the males of <i>O.</i></span></span></span><i><span lang="RU" style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> rotundata</span></span></span></i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> (33.1 mm) and males of </span></span></span><i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">A. iranica</span></span></span></i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> (12.4 mm) had average carapace width more than female crabs (32.2 mm and 11.2 mm). The male and female of </span></span></span><i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">A. iranica </span></span></span></i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">and </span></span></span><i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">O.</span></span></span></i><i><span lang="RU" style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> rotundata</span></span></span></i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> had significantly different between three (first part of abdomen width, fourth part of abdomen width, and sixth part of abdomen width) and four (abdomen length, first part of abdomen width, and fourth part of abdomen width, sixth part of abdomen width) traits, respectively (<i>p</i>< 0.05). The calculated values of </span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">CW₅₀</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:"><span style="color:black"></span></span></span><span lang="RU" style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"></span></span></span><span dir="RTL" lang="RU" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:"><span style="color:black"></span></span></span><span dir="RTL" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:"><span style="color:black"></span></span></span>&nbsp;<span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"></span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"></span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">based on the </span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">morphometric maturity for </span></span></span><i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">O.</span></span></span></i><i><span lang="RU" style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> rotundata</span></span></span></i> <span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">males </span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">with three methods of common, Bootstrap and Bayesian were 33.02 mm, 32.82 mm, and 33.05 mm, respectively. This value was 29 mm for female crabs with three methods. Also, the </span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">morphometric maturity values for males</span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> and females of </span></span></span><i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">A. iranica</span></span></span></i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> were similar to the three performed methods. The values in the male and female were obtained 11.61 mm and 9.15 mm, respectively. Based on the results, the </span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">CW₅₀</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:"><span style="color:black"></span></span></span><span lang="RU" style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"></span></span></span><span dir="RTL" lang="RU" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:"><span style="color:black"></span></span></span><span dir="RTL" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:"><span style="color:black"></span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"></span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"></span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">&nbsp;value in the male crabs for both studied species was more than the female crabs.</span></span></span></span></span></span> بلوغ مورفومتریک, رشد نسبی, دوشکلی جنسی, آبدومن Morphometric maturity, Relative growth, Sexual dimorphism, Abdomen 27 46 http://isfj.ir/browse.php?a_code=A-10-2130-6&slc_lang=fa&sid=1 Mojtaba Naderi مجتبی نادری mojtabanaderi1364@yahoo.com 100319475328460036751 100319475328460036751 Yes payam noor university دانشگاه پیام نور Yeganeh Darvish Oladi یگانه درویش اولادی rad26401@gmail.com 100319475328460036752 100319475328460036752 No payam noor university دانشگاه پیام نور Parviz Zare پرویز زارع parvizzare58@yahoo.com 100319475328460036753 100319475328460036753 No Gorgan university دانشگاه گرگان