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Fazli, H., Azari, H., Moghim, M., Kor, D., Nabavi Jelodar, E., Taleshian, H.. (1390). Growth and mortality of brown trout, Salmo trutta fario in Lar dam, Iran. سامانه مدیریت نشریات علمی, 11(1), 47-37. doi: 10.22092/ijfs.2018.114183
H. Fazli; H. Azari; M. Moghim; D. Kor; E. Nabavi Jelodar; H. Taleshian. "Growth and mortality of brown trout, Salmo trutta fario in Lar dam, Iran". سامانه مدیریت نشریات علمی, 11, 1, 1390, 47-37. doi: 10.22092/ijfs.2018.114183
Fazli, H., Azari, H., Moghim, M., Kor, D., Nabavi Jelodar, E., Taleshian, H.. (1390). 'Growth and mortality of brown trout, Salmo trutta fario in Lar dam, Iran', سامانه مدیریت نشریات علمی, 11(1), pp. 47-37. doi: 10.22092/ijfs.2018.114183
Fazli, H., Azari, H., Moghim, M., Kor, D., Nabavi Jelodar, E., Taleshian, H.. Growth and mortality of brown trout, Salmo trutta fario in Lar dam, Iran. سامانه مدیریت نشریات علمی, 1390; 11(1): 47-37. doi: 10.22092/ijfs.2018.114183

Growth and mortality of brown trout, Salmo trutta fario in Lar dam, Iran

Iranian Journal of Fisheries Sciences
مقاله 4، دوره 11، شماره 1، فروردین 2012، صفحه 47-37    اصل مقاله (508.96 K)
شناسه دیجیتال (DOI): 10.22092/ijfs.2018.114183
نویسندگان
H. Fazli* ؛ H. Azari؛ M. Moghim؛ D. Kor؛ E. Nabavi Jelodar؛ H. Taleshian
چکیده
    The length-weight relationship, age, growth parameters, sex ratio, mortality and exploitation rate of Salmo trutta fario were determined in Lar dam. The sex ratio (male: female) was 1:1.84 which differed significantly from the expected 1:1. The length-weight regression was (females) and (males) indicating a negative allometric growth for both sexes. Growth parameters were estimated as L∞ = 45.0 cm, K = 0.27 yr-1, t0 = -0.23 yr. The instantaneous coefficients of natural, total and fishing mortality were estimated as 0.40 yr-1, 0.75 yr-1 and 0.35 yr-1. The results showed that S. trutta fario is moderately a rapidly-growing species in Lar dam. The exploitation rate was 0.47. Therefore, the population appeared to be in good condition in 2004.
کلیدواژه‌ها
Salmo trutta fario؛ Growth parameters؛ exploitation rate؛ Lar Dam
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