fa مقاله علمی – پژوهشی:‌ مطالعه ویژگی‌‌های رشد ماهی خیاطه Alburnoides cf. tabarestaensis در رود گلمن‌دره منطقه دشت (استان خراسان شمالی) بيولوژي آبزيان بيولوژي آبزيان پژوهشي Research <span style="font-size:11pt"><span style="line-height:17.0pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">جهت بررسی ویژگی‌‌های رشد ماهی خیاطه </span></span></span><i><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">Alburnoides cf. tabarestaensis</span></span></i><i> </i><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">تعداد 234 عدد ماهی به‌وسیله الکتروشوکر از فروردین ماه 1396 لغایت مرداد ماه 1396 صید گردید. نسبت جنسی نر به ماده در جمعیت مورد مطالعه 19/1 : 1 بود که نشان می‌دهد اختلاف معنی‌داری بین نسبت جنسی نر و ماده در جمعیت مذکور وجود </span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">ن</span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">دارد (</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">709</span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">/1 =²</span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">&chi;</span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">، 05/0</span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">></span></span> <span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">p</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">). بیشینه طول کل و وزن ماده‌ها 78 میلی‌‌متر و 60/5 گرم و برای نرها 68 میلی‌‌متر و 32/4 گرم ثبت گردید. رابطه طول و وزن در ماده‌ها ^25/3</span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">TL</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">0088/0 </span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">W=</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> و در نرها ^46/3</span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">TL</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">0064/0 </span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">W=</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">و در کل جمعیت ^33/3</span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">TL</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">0079/0 </span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">W=</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> به‌دست آمد. نتایج نشان داد که الگوی رشد این گونه از نوع آلومتریک مثبت پیروی می‌‌کند (</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">03/5=</span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">t_population</span></span><span style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> ، 99/2=</span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">t_female</span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">، 08/5=</span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">t_male</span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">، </span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">t-test</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="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">کمترین مقدار ضریب وضعیت برای هر دو جنس نر و ماده در اردیبهشت ماه</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> (به‌ترتیب 69/0 و 76/0)</span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> و بیشترین مقدار آن برای هر دو جنس نر و ماده در خرداد ماه (</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">به‌ترتیب 55/2 و 36/1</span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">) محاسبه شد. بیشترین ضریب رشد لحظه‌‌ای برای هر دو جنس نر و ماده در سنین صفر تا یک‌سال (</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">به‌ترتیب 86/0 و 73/0</span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">) مشاهده شد. طول بی‌‌نهایت برای جنس نر 08/82 میلی‌‌متر، برای جنس ماده 42/119 میلی‌‌متر و برای جمعیت</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> کل</span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> 38/93 میلی‌‌متر به‌دست آمد. ضریب رشد (</span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">K</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">) در جنس نر (23/0) بزرگتر از جنس ماده (12/0) به‌دست آمد. شاخص سن در طول صفر (</span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">t₀</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">) برای تمامی گروه‌های مورد بررسی (نر، ماده و جمعیت) منفی بود و برای جنس نر 94/2- و برای جنس ماده 51/3- &nbsp;<span style="letter-spacing:-.1pt">به‌دست آمد. معادله رشد وان برتالانفی برای جنس ماده</span> (</span></span></span>^{<span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">51/3+</span></span></span>}^{<span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">t</span></span>}^{<span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">) 12/0-</span></span></span>}<span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">e</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">-1)42/119 </span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">L_t=</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black"> و برای جنس نر (</span></span></span>^{<span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">94/2+</span></span></span>}^{<span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">t</span></span>}^{<span lang="FA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">) 23/0-</span></span></span>}<span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">e</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">-1)08/82 </span></span></span><span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">L_t=</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" compset="" style="font-family:"><span style="color:black">، محاسبه گردید.</span></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">To study the growth characteristics of </span></span></span><i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">Alburnoides cf. tabarestaensis </span></span></span></i><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">with 234 fish sampled in obtained in <span style="background:white">April </span>2018 to <span style="background:white">August </span>2018 with electroshocker. Sex ratio of male to female was 1:0.93 that showed there was no significant difference between sex ratio of male to female in population (X²=1.709, p<0.05).&nbsp; Maximum total length and weight were 78 mm and 5.60 g for females, 68 mm and 4.32 g for males, repectively. The weight - length relation of female was W=0.0088 TL^3.25 and the weight - length relation of male was W=0.0064 TL^3.46 and the total relation was W=0.0079 TL^3.33. The results showedpositive allometric growth for this species (t-test, t _male=5.08, t _female=2.99, t _population= 5.03, p<0.05). The condition factor analysis showed that the lowest quantity for both sexes was obtained in May (0.69 and 0.76, respectively) and the highest was obtained for male and female in June (2.55 and 1.36, respectively). The highest instantaneous growth rate was observed for both males and females at zero to one year old (0.86 and 0.73, respectively)</span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">. Growth rate (K) in males (0.23) was higher than females (0.12). Zero age index (t₀) was negative for all groups (males, females and population) and was obtained for males -2.94 and for males -3.51. Growth parameters were estimated as </span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">L</span></span></span>_{<span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">&infin;</span></span></span>}<span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">=82.08 mm for males, </span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">L</span></span></span>_{<span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">&infin;</span></span></span>}<span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">=119.42 mm for females and </span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">L</span></span></span>_{<span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">&infin;</span></span></span>}<span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">=93.38 mm for population.</span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> Von bertalanffy growth equation was estimated as </span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">L_t=119.42(1-e^{-0.12(t+3.51)})</span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> and </span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">L_t=82.08(1-e^{-0/23(t+2.94)})</span></span></span><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"> for female and male fish, respectively.</span></span></span><b><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"></span></span></span></b></span></span></span> Alburnoides cf. tabarestaensis, رابطه طول و وزن, رود گلمن‌دره, استان خراسان شمالی Alburnoides cf. tabarestaensis, Length-weight relationship, Golman Darreh River, Khorasan Shomali Province 81 93 http://isfj.ir/browse.php?a_code=A-10-2586-1&slc_lang=fa&sid=1 amin danaei امین دانائی amin.danayi@gmail.com 0793801117 100319475328460036068 No Gonbad university دانشگاه گنبد rahman patimar رحمان پاتیمار r.patimar@yahoo.com 100319475328460036069 100319475328460036069 Yes Gonbad university دانشگاه گنبد arsalan bahalkeh ارسلان بهلکه arsalan.bahalkeh@yahoo.com 100319475328460036070 100319475328460036070 No Gonbad university دانشگاه گنبد