بررسی برخی پارامترهای رشد ماهی تیزه کولی Hemiculter Leucisculus (Basilewsky, 1855) در رودخانه گرگانرود

نوع مقاله: مقاله علمی - پژوهشی

نویسندگان

1 فارغ التحصیل کارشناسی ارشد شیلات

2 گنبد کاووس- خیابان شهید فلاحی-دانشگاه گنبد کاووس

چکیده

گونه تیزه کولی (Hemiculter leucisculus) از خانواده کپور ماهیان (Cyprinidae) و غیربومی ایران بوده و اطلاعات بسیار محدودی در مورد زیست‌شناسی آن وجود دارد. مجموع 91 قطعه ماهی تیزه کولی (H. leucisculus) در رودخانه گرگانرود از فروردین تا تیر ماه 91 توسط دستگاه الکتروشوکر بصورت تصادفی صید و سپس با فرمالین 10 درصد تثبیت گردید. نسبت جنسی نر به ماده در جمعیت مورد مطالعه 53/1 : 1 و نرها غالب بودند. بیشینه طول کل و وزن ماده‌ها 107 میلی‌متر و 17/12 گرم و برای نرها 112 میلی‌متر و 50/12 گرم ثبت گردید. بیشینه ضریب وضعیت برای جنس نر در خرداد ‌ماه (1/2) و برای جنس ماده در تیر‌ ماه (08/1) بدست آمد. بالاترین نرخ رشد لحظه برای هر دو جنس و در سنین جوانی مشاهده شد. از آنجاییکه دوره نمونه بردای 4 ماه بود، به نظر می‌رسد درک دقیق وضعیت تغییرات شاخص‌های بیولوژیکی نیازمند افزایش دوره نمونه‌برداری، افزایش تعداد نمونه‌های مورد مطالعه، صید گونه‌ها در اندازه‌های مختلف و پیگیری تغییرات و نوسانات گروه‌های سنی در طول عمر جمعیت مورد مطالعه می‌باشد. بهرحال اطلاعات ارائه شده می‌تواند برای درک پایه ایی از وضعیت این گونه در یکی از مناطق پراکنشی آن در شمال ایران مورد استفاده قرار گیرد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Evaluation of some Growth parameters of Hemiculter leucisculus (Basilewsky, 1855) in Gorganrood river

نویسندگان [English]

  • ali rezamand 1
  • Rahman patimar 2
چکیده [English]

Hemiculter leucisculus is an exotic Cyprinid species for Iran and little is known about its biology. A total of 91 samples of the species (H. leucisculus) were collected between April and July 2013 using electro-shocker randomly and fixed by 10% formalin. The sex ratio of male to female in the studied population was 1: 1.53 indicating males are dominant. The maximum total length and weight were 107 mm and 12.17g for females, 112 mm and 12.50g for males. The maximum condition factor obesrved for males was in June (2/1) and for females in July (1/08). The highest instantaneous growth rate was observed for both sexes in younger age groups. The sampling period was only 4 months, so it seems that a longer sampling period, larger sample size including all size classes are needed to achieve detailed information on biological parameters. Anyway, the provided data could be used as basic information about one of the populations of the species in northern Iran.

کلیدواژه‌ها [English]

  • H. leucisculus
  • Age and Growth
  • river
t-text-stroke-width: 0px; "> 1. Abdoli, A. 2000. The inland water Fishes of Iran. Iranian museum of nature and wild life,Tehran. 378p.
2. Bagenal, T., and Tesch, F. 1978. Methods for Assessment of Fish Production in FreshWaters. International Biological program (IBP), 3rd edition, Blackwell scientificepublication, Oxford. Pp: 101-136.
3. Bahalkeh, A. 2013. Investigation on biological characteristics of Caucasian goby
(Knipowitschia caucasica) in the Gomishan wetland. MSc Thesis, Gonbad Kavous
University, Iran. 64p.
4. Coad, B.W. 2013. Freshwater fishes of Iran. Available from: www.briancoad.com. Retrieved
5/6/2013.
5. Coad, B.W., and Abdoli, A. 1993. Exotic fish species in the fresh waters of Iran. Zoology in
the Middle East. 9: 1.65-80. (In Persian)
6. Hassanpour Yasaghi, S., Patimar, R., Ghorbani, R., and GolzarianPour, K. 2014. Compare
the length, weight and condition factor in fish populations Hemiculter leucisculus
(Basilewsky, 1855) in Golestan dam and Voshmgir. The second National Conference on
Sustainable Agriculture and Natural Resources.Tehran. Iran.
7. Holčík, J., and Razavi V.A. 1992. On some new or little known freshwater fishes from the
Iranian coast of Caspian Sea. Folia Zoologica. 41: 3. 271-280.
8. Huxley, J.S. 1924. Constant Differential Growth-ratios and their Significance. Nature. 114:
895-896.
9. Kazancheev, E.N. 1981. Ryby Kaspiiskogo Morya [Fishes of the Caspian Sea]. Legkaya i
Pischchevaya Promyshlennost, Moskva. 167p.
10.King, M. 2007. Fisheries biology, assessment and management. 2Nd edition. Blackwell
Scientific Publications, Oxford. 382p.
11.Kizina, L.P. 1986. Nikotorie dannie po biologii karasei rod Carassius nizoviev delti volgi.
Voprosi Ikhthiologii. 26: 3. 416-424.
12.Lagler K., Bardach J.E., Miller R., and May Passion D.R. 1977. Ichthyology: the Study of
Fishes. Second Edition. John Wiley and Sons, New York, U.S. 506p.
13.Liagina, T.N. 1972. Sesonnaia dinamika biologicheskikh pokazatelei plotvi rutilus rutilus
(L.) v uslobiakh rasnoi obspechennosti pishei. Voprosi Ikhtiologi. 12: 2. 240-257.
14.Mousavi-Sabet, H., Habibi, A., and Bagherpur, O. 2013. Studies on Length-weight and
Length-length Relationships, Relative Condition Factor and Fulton’s Condition Factor of
Hemiculter leucisculus (Pisces: Cyprinidae) from the Southwestern Caspian Sea Basin. Our
Nature. 11: 1. 25-30.
15.Nikolskii, G.V. 1963. The ecology of fishes (translated by L. Birkett). Academic Press,
London. 352p.
16.Nikolskii, G.V. 1969. Theory of fish population dynamics as the biological background for
national exploitation and managements of fishery resources. Oliver and Boyd, Edinburgh,
Scotland, 323p.
17.Oliva-Paterna, F.J., Torralva, M.M., and Fernandez-Delgado, C. 2002. Age, growth and
reproduction of Cobitis paludica in a seasonal stream. Journal of Fish Biology, 60: 389–404.
18.Patimar, R., Habibi, S., and Jafari, F. 2011. A study on Growth parameters of Alosa caspia
caspia Echwald, 1838 in the southern caspian coast. Journal of fisheries (Iranian Journal of
Natural Resources). 64: 1.15-27. (Translated in persian)
19.Polvina, J.J., and Ralston, S. 1987. Tropical snappers and groupers biology and fisheries
management. Westview Press: Boulder. 659p.
20.Pauly, D. 1984. Fish population dynamics in tropical waters: a manual for use with
programmable calculators. International Center for Living Aquatic Resources Management,
(ICLARM), MCC, PO Box 1501, Makati, Manila, Philippines, 325p.
21.Radkhah, A., and Eagdari, S. 2014. First record of saw-belly (Hemiculter leucisculus
Basilewsky, 1855) from Zarinehrud River, Urmia Lake basin and its some biological
characteristics. Journal of Aquatic Ecology. 4: 4. 116-121.
22.Wang, T., Huang, D., Zhao, Y., Wang, H., Hu, S., and Shen, J. 2013. Age, growth and
mortality of invasive sharpbelly, Hemiculter leucisculus (Basilewsky, 1855) in Erhai Lake,
China. Journal of Applied Ichthyology. 29: 6. 1279-1285.
23.Yaoungs, W., and Robson, O. 1978. Estimation of population number and mortality rates in;
Bagenal.T.B. Methods for assessment of fish production in freshwater. Blackwell Scientific
Press, London, Pp: 137-164.
24.Zivkov, M. 1996. Critique of proportional hypotheses and methods for back calculation of
fish growth. Environmental Biology of Fishes. 46: 3. 309-320.