Study on growth characteristics and age structure of Mesopotamian chub (Squalius berak Heckel, 1843) in the Kashkan River, Lorestan province

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Sadeghinejad Masouleh Esmaeil; Radkhah Ali Reza

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Journal: Aquatic Ecology Year:2021 | Volume:10 | Issue:3 Page(s): 61-72

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Information Journal Paper

Title

Study on growth characteristics and age structure of Mesopotamian chub (Squalius berak Heckel, 1843) in the Kashkan River, Lorestan province

Author(s)

Sadeghinejad Masouleh Esmaeil | Radkhah Ali Reza | Issue Writer Certificate

Keywords

growth pattern

LWR

condition factor

Mesopotamian chub

Abstract

The present study aimed to investigate some biological characteristics of Mesopotamian chub (Squalius berak) in the Kashkan River, Lorestan province. 60 specimens of Mesopotamian chub were captured from the Kashkan River using electrofishing equipment in September 2018. Biometry and weight of fish specimens were measured using a caliper and digital scale, respectively. Then, length-length and length-weight relationships (LWR), growth pattern, condition factor, and age of the fish samples were studied. Based on the results, the mean length of males and females were 197. 39 mm and 257. 88 mm, respectively. Also, the mean weight of males was 101. 2 g, and for females was 258. 76 g. Results showed that male and female fish follow isometric and positive allometric growth patterns, respectively. The condition factor values for male and female fish were 1. 06 and 1. 13, respectively, indicating a desirable status for this fish species in the Kashkan River. In addition, the age range of fish was between 2+ to 5+ years and the highest frequency (41. 93 %) was in the 3+ age group.

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APA: Copy

Sadeghinejad Masouleh, Esmaeil, & Radkhah, Ali Reza. (2021). Study on growth characteristics and age structure of Mesopotamian chub (Squalius berak Heckel, 1843) in the Kashkan River, Lorestan province. JOURNAL OF AQUATIC ECOLOGY, 10(3 ), 61-72. SID. https://sid.ir/paper/950886/en

Vancouver: Copy

Sadeghinejad Masouleh Esmaeil, Radkhah Ali Reza. Study on growth characteristics and age structure of Mesopotamian chub (Squalius berak Heckel, 1843) in the Kashkan River, Lorestan province. JOURNAL OF AQUATIC ECOLOGY[Internet]. 2021;10(3 ):61-72. Available from: https://sid.ir/paper/950886/en

IEEE: Copy

Esmaeil Sadeghinejad Masouleh, and Ali Reza Radkhah, “Study on growth characteristics and age structure of Mesopotamian chub (Squalius berak Heckel, 1843) in the Kashkan River, Lorestan province,” JOURNAL OF AQUATIC ECOLOGY, vol. 10, no. 3 , pp. 61–72, 2021, [Online]. Available: https://sid.ir/paper/950886/en

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