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Information Journal Paper

Title

AGE STRUCTURE, GROWTH AND MORTALITY INDEX OF SPIRLIN (ALBURNOIDES EICHWALDII DE FILIPPII 1863) IN SHIRUD RIVER, MAZANDARAN PROVINCE

Pages

  57-67

Abstract

AGE structure, GROWTH and MORTALITY index of 661 specimens of spirlin, ALBURNOIDES EICHWALDII, from SHIROOD RIVER in Mazandaran Province were studied during April 2011 to March 2012. The averAGE total length, weight and AGE of the specimens were 68.33 ± 16.92 mm, 4.9 ± 3.2 g and 1.32 ± 0.86 years, respectively. The fish were in the AGE range of 0+to 3+, of which the 0+year specimens dominanted the AGE groups in the river. The largest specimen was 111.4 mm in length and a weight of 15.5 g. Comparing total length and weight of fish showed significant differences various AGEs (P<0.05). Based on Pauly formula, population GROWTH pattern was negatively allometric (b=2.94). Based on von Bertalanffy GROWTH equation using the FiSAT program, L, K and t0 were 12.08, 0.55, and -0.47, respectively. The GROWTH performance index was up to 3.65. MORTALITY indices for the fish were calculated as 2.41, 1.19 and 1.22, respectively for the total (Z), natural (M) and fishing (F). Considering the ecological, biological and ornamental value of spirlin as well as its vulnerabilty to serious environmental degradation, such studies may be useful in the protection of the species.

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    APA: Copy

    MONAJJEMI, MAHDIYEH, GHORBANI, RASOUL, VESAGHI, MOHAMMAD JAVAD, & NOROOZ RAJABI, ALI REZA. (2014). AGE STRUCTURE, GROWTH AND MORTALITY INDEX OF SPIRLIN (ALBURNOIDES EICHWALDII DE FILIPPII 1863) IN SHIRUD RIVER, MAZANDARAN PROVINCE. JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST), 2(4), 57-67. SID. https://sid.ir/paper/246860/en

    Vancouver: Copy

    MONAJJEMI MAHDIYEH, GHORBANI RASOUL, VESAGHI MOHAMMAD JAVAD, NOROOZ RAJABI ALI REZA. AGE STRUCTURE, GROWTH AND MORTALITY INDEX OF SPIRLIN (ALBURNOIDES EICHWALDII DE FILIPPII 1863) IN SHIRUD RIVER, MAZANDARAN PROVINCE. JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST)[Internet]. 2014;2(4):57-67. Available from: https://sid.ir/paper/246860/en

    IEEE: Copy

    MAHDIYEH MONAJJEMI, RASOUL GHORBANI, MOHAMMAD JAVAD VESAGHI, and ALI REZA NOROOZ RAJABI, “AGE STRUCTURE, GROWTH AND MORTALITY INDEX OF SPIRLIN (ALBURNOIDES EICHWALDII DE FILIPPII 1863) IN SHIRUD RIVER, MAZANDARAN PROVINCE,” JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST), vol. 2, no. 4, pp. 57–67, 2014, [Online]. Available: https://sid.ir/paper/246860/en

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