DEFEMINATION SPAWNING SEASON AND CHANGES IN REPRODUCTION CYCLE OF SCHIZOTHORAX ARUDNYI AND CONDITION FACTOR IN HAMOON LAKE

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ZABIHY M.; POURKAZEMI MOHAMMAD; KAZEMI R.; KAMALI A.

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Journal: Iranian Scientific Fisheries Journal Year:2004 | Volume:12 | Issue:4 Page(s): 41-56

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Title

DEFEMINATION SPAWNING SEASON AND CHANGES IN REPRODUCTION CYCLE OF SCHIZOTHORAX ARUDNYI AND CONDITION FACTOR IN HAMOON LAKE

Author(s)

ZABIHY M. | POURKAZEMI MOHAMMAD | KAZEMI R. | KAMALI A. | Issue Writer Certificate

Keywords

SCHIZOTHORAX ZARNDNYIQ4

REPRODUCTIONQ2

HAMOON LAKEQ4

IRANQ4

Abstract

SCHIZOTHORAX ZARNDNYI is one of the most economic and endemic species, which are found in rivers and triple lagoons of Hamoon.In this study, REPRODUCTION cycle, type, season and optimum temperature of spawning period was studied from July 1998 to June 1999. The maximum GSI was 7.9-9.6 in March and April with 14-18°C mean temperatures. The minimum GSI was 0.92 in May. Variation in GSI values shows that REPRODUCTION has annual cycle which begins in May and ends in April of the next year. From October significant increase of oocyte diameter and GSI were observed in 2 different groups, while oocyte distribution observed only in one group in May. The rate of HSI had flucatuation, during resting period of ovule (from May to September) and from October simultaneously with significant increase of GSI, the HSI increased and continued to January and decreased in March and April. The condition factor, was changed during REPRODUCTION cycle and it was minimum in March (0.92). Concerning these investigation, Sch. zarndnyi is a total spawner and showing a synchronous ovary.

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APA: Copy

ZABIHY, M., POURKAZEMI, MOHAMMAD, KAZEMI, R., & KAMALI, A.. (2004). DEFEMINATION SPAWNING SEASON AND CHANGES IN REPRODUCTION CYCLE OF SCHIZOTHORAX ARUDNYI AND CONDITION FACTOR IN HAMOON LAKE. IRANIAN SCIENTIFIC FISHERIES JOURNAL, 12(4), 41-56. SID. https://sid.ir/paper/4342/en

Vancouver: Copy

ZABIHY M., POURKAZEMI MOHAMMAD, KAZEMI R., KAMALI A.. DEFEMINATION SPAWNING SEASON AND CHANGES IN REPRODUCTION CYCLE OF SCHIZOTHORAX ARUDNYI AND CONDITION FACTOR IN HAMOON LAKE. IRANIAN SCIENTIFIC FISHERIES JOURNAL[Internet]. 2004;12(4):41-56. Available from: https://sid.ir/paper/4342/en

IEEE: Copy

M. ZABIHY, MOHAMMAD POURKAZEMI, R. KAZEMI, and A. KAMALI, “DEFEMINATION SPAWNING SEASON AND CHANGES IN REPRODUCTION CYCLE OF SCHIZOTHORAX ARUDNYI AND CONDITION FACTOR IN HAMOON LAKE,” IRANIAN SCIENTIFIC FISHERIES JOURNAL, vol. 12, no. 4, pp. 41–56, 2004, [Online]. Available: https://sid.ir/paper/4342/en

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