اخبار و اعلانات

 آمار

تعداد نشریات283
تعداد نشریات سازمان81
تعداد شماره‌ها2,726
تعداد مقالات31,042
تعداد مشاهده مقاله28,123,540
تعداد دریافت فایل اصل مقاله16,248,965
Fatemi, S.M., Kaymaram, F., Jamili, S., Taghavi Motlagh, S.A., Ghasemi, S.. (1388). Estimation of growth parameters and mortality rate of common carp (Cyprinus carpio, Linnaeus 1758) population in the southern Caspian Sea. سامانه مدیریت نشریات علمی, 8(2), 127-140. doi: 10.22092/ijfs.2018.114747
S.M. Fatemi; F. Kaymaram; S. Jamili; S.A. Taghavi Motlagh; S. Ghasemi. "Estimation of growth parameters and mortality rate of common carp (Cyprinus carpio, Linnaeus 1758) population in the southern Caspian Sea". سامانه مدیریت نشریات علمی, 8, 2, 1388, 127-140. doi: 10.22092/ijfs.2018.114747
Fatemi, S.M., Kaymaram, F., Jamili, S., Taghavi Motlagh, S.A., Ghasemi, S.. (1388). 'Estimation of growth parameters and mortality rate of common carp (Cyprinus carpio, Linnaeus 1758) population in the southern Caspian Sea', سامانه مدیریت نشریات علمی, 8(2), pp. 127-140. doi: 10.22092/ijfs.2018.114747
Fatemi, S.M., Kaymaram, F., Jamili, S., Taghavi Motlagh, S.A., Ghasemi, S.. Estimation of growth parameters and mortality rate of common carp (Cyprinus carpio, Linnaeus 1758) population in the southern Caspian Sea. سامانه مدیریت نشریات علمی, 1388; 8(2): 127-140. doi: 10.22092/ijfs.2018.114747

Estimation of growth parameters and mortality rate of common carp (Cyprinus carpio, Linnaeus 1758) population in the southern Caspian Sea

Iranian Journal of Fisheries Sciences
مقاله 3، دوره 8، شماره 2، مهر 2009، صفحه 127-140    اصل مقاله (321.33 K)
شناسه دیجیتال (DOI): 10.22092/ijfs.2018.114747
نویسندگان
S.M. Fatemi؛ F. Kaymaram؛ S. Jamili؛ S.A. Taghavi Motlagh؛ S. Ghasemi*
چکیده
Common carp (Cyprinus carpio) represents one of the most economically important fish species in the Caspian Sea. In this study, growth and mortality parameters among population of common carp was investigated. Sampling was carried out weekly, using beach seine in the south of the Caspian Sea from October 2006 to September 2007. As a contribution to elaborating management programs for common carp, the age and growth of this species was calculated via scale, growth parameters and mortality rate by length frequency data obtained from commercial fishing and research beach seines. Ten age groups were recorded from 1+ to 10+ years old, being dominated by 4 and 5 year-old fish. The growth parameters based on scale reading data by length at age analysis were FL¥= 71.52cm and K = 0.16 per year for total population, FL¥= 70.54cm and K = 0.15 per year for males, and FL¥= 72.00 cm and K = 0.16 per year for females, whereas by length frequency analysis, these values were estimated as FL¥ equals 72.0, 69.3 and 73.0cm and K equals 0.18, 0.15 and 0.18 per year for total population, males and females, respectively. The total, natural and fishing mortality rates were 0.71, 0.29 and 0.42 per year, respectively.
کلیدواژه‌ها
Cyprinus carpio؛ Scale؛ Age structure؛ Population dynamics parameters؛ Caspian Sea
آمار
تعداد مشاهده مقاله: 150
تعداد دریافت فایل اصل مقاله: 202


counter
سامانه مدیریت نشریات علمی. قدرت گرفته از سیناوب