Estimate growth and mortality parameters Grammoplites suppositus (Troschel, 1840) in coastal waters of the Persian Gulf (Hormozgan Province)

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IZADIFAR Faezeh; SAFAIE MOHSEN; Sahami Sodabeh; MOMENI MOHAMMAD; DARVISHI MOHAMMAD; Faryabi Somayeh

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Journal: Aquatic Ecology Year:2020 | Volume:10 | Issue:1 Page(s): 91-99

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Title

Estimate growth and mortality parameters Grammoplites suppositus (Troschel, 1840) in coastal waters of the Persian Gulf (Hormozgan Province)

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Keywords

G.Suppositus

Growth and mortality parameters

Persian Gulf

Abstract

The population parameters of G. suppositus were studied for a period of 18 months from November 2016 to April 2018 in the coastal waters of the Persian Gulf (Hormozgan province). A total of 635 fish were selected as bycatch from shrimp bottom trawler and measured biometric data. The correlation between total length and weight for males and females showed high values (R2 were estimated at 0. 83 and 0. 86 for males and females, respectively. The b-value for the length-weight relationship was 3. 35 and 3. 21 for males and females, respectively, indicating positive allometric growth patterns in this species (P <0. 05). The TL∞ was estimated at 35 cm for males and 40 cm for females as well as the growth coefficient (K) for males and females was estimated at 0. 74 and 0. 65 Y-1, respectively. Also, t0 for males and females were estimated at-0. 20 and-0. 22 Y-1, respectively. The recorded results of this study showed that the natural mortality rate (M) in males was 1. 38 Y-1and for females were 1. 22 Y-1and the fishing mortality rate (F) was 2. 95 in males and 3. 05 Y-1 in females, respectively. The total mortality (Z) for males and females was estimated at 4. 33 and 4. 27 Y-1, respectively. Also, the exploitation coefficient (E) for this species was 0. 68 and 0. 71 in males and females, respectively.

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APA: Copy

IZADIFAR, Faezeh, SAFAIE, MOHSEN, Sahami, Sodabeh, MOMENI, MOHAMMAD, DARVISHI, MOHAMMAD, & Faryabi, Somayeh. (2020). Estimate growth and mortality parameters Grammoplites suppositus (Troschel, 1840) in coastal waters of the Persian Gulf (Hormozgan Province). JOURNAL OF AQUATIC ECOLOGY, 10(1 ), 91-99. SID. https://sid.ir/paper/951624/en

Vancouver: Copy

IZADIFAR Faezeh, SAFAIE MOHSEN, Sahami Sodabeh, MOMENI MOHAMMAD, DARVISHI MOHAMMAD, Faryabi Somayeh. Estimate growth and mortality parameters Grammoplites suppositus (Troschel, 1840) in coastal waters of the Persian Gulf (Hormozgan Province). JOURNAL OF AQUATIC ECOLOGY[Internet]. 2020;10(1 ):91-99. Available from: https://sid.ir/paper/951624/en

IEEE: Copy

Faezeh IZADIFAR, MOHSEN SAFAIE, Sodabeh Sahami, MOHAMMAD MOMENI, MOHAMMAD DARVISHI, and Somayeh Faryabi, “Estimate growth and mortality parameters Grammoplites suppositus (Troschel, 1840) in coastal waters of the Persian Gulf (Hormozgan Province),” JOURNAL OF AQUATIC ECOLOGY, vol. 10, no. 1 , pp. 91–99, 2020, [Online]. Available: https://sid.ir/paper/951624/en

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