STUDY ON THE FECUNDITY AND REPRODUCTIVE CYCLE OF AN ENDEMIC POPULATION OF GAMMARUS PULEX IN KOMEHR SPRING

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MOHAMMADI GHOLAM HOSSEIN; NASR EHSAN; ZAMANPOUR MEHRDAD

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Journal: JOURNAL OF WETLAND ECOBIOLOGY Year:2009 | Volume:1 | Issue:1 Page(s): 46-59

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Title

STUDY ON THE FECUNDITY AND REPRODUCTIVE CYCLE OF AN ENDEMIC POPULATION OF GAMMARUS PULEX IN KOMEHR SPRING

Author(s)

MOHAMMADI GHOLAM HOSSEIN | NASR EHSAN | ZAMANPOUR MEHRDAD | Issue Writer Certificate

Keywords

GAMMARUSQ4

REPRODUCTIVE INDICESQ4

FECUNDITYQ4

REPRODUCTIVE EFFORTQ4

SEX RATIOQ4

FARSQ4

Abstract

The reprodutive biology of GAMMARUS pulex was studied in Komehr spring, in Komehr village FARS province, South of Iran. Specimens were collected using a net with 1 mm mesh size. Water temperature, DO, PH, No2, No, Po4, Ec, K, Mg, Total hardens and TDS were measured. Biological parameters including length and wet weight of males and females, number of female having eggs, number of eggs presented in moraspum sac of female, SEX RATIO, egg size, FECUNDITY and REPRODUCTIVE EFFORT were studied. Maximum length was recorded in atutumn (0.9823±0.203cm and 1.42±0.24cm, male and female respectively) and reached to the Minimum length in winter and spring (for male 0.92±0.278 and 0.9±0.144 cm and for female 0.944±0.142 cm and 0.85±0.145 cm respectively). The average value of lenghth in both sex and wet weight in male increased in autumn, decreased in spring and increased again in summer. The Maximum of REPRODUCTIVE EFFORT and FECUNDITY index were measured in summer (0.0112±0.0064 and 0.391±0.254) respectively. The number of eggs in marsopium sac, female’s wet weight, FECUNDITY, and REPRODUCTIVE EFFORT increased from autumn toward summer and egg volume increased in autumn and winter and reduced a little with increasing in egg’s number in spring and summer. All reproductive factors showed significant differences throughout the year.

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APA: Copy

MOHAMMADI, GHOLAM HOSSEIN, NASR, EHSAN, & ZAMANPOUR, MEHRDAD. (2009). STUDY ON THE FECUNDITY AND REPRODUCTIVE CYCLE OF AN ENDEMIC POPULATION OF GAMMARUS PULEX IN KOMEHR SPRING. JOURNAL OF WETLAND ECOBIOLOGY, 1(1), 46-59. SID. https://sid.ir/paper/174926/en

Vancouver: Copy

MOHAMMADI GHOLAM HOSSEIN, NASR EHSAN, ZAMANPOUR MEHRDAD. STUDY ON THE FECUNDITY AND REPRODUCTIVE CYCLE OF AN ENDEMIC POPULATION OF GAMMARUS PULEX IN KOMEHR SPRING. JOURNAL OF WETLAND ECOBIOLOGY[Internet]. 2009;1(1):46-59. Available from: https://sid.ir/paper/174926/en

IEEE: Copy

GHOLAM HOSSEIN MOHAMMADI, EHSAN NASR, and MEHRDAD ZAMANPOUR, “STUDY ON THE FECUNDITY AND REPRODUCTIVE CYCLE OF AN ENDEMIC POPULATION OF GAMMARUS PULEX IN KOMEHR SPRING,” JOURNAL OF WETLAND ECOBIOLOGY, vol. 1, no. 1, pp. 46–59, 2009, [Online]. Available: https://sid.ir/paper/174926/en

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