THE STUDY OF SOME BIOLOGICAL INDICES OFALOSA FOUR SPECIES IN CASPIAN SEA COAST (MAZANDARAN PROVINCE)

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TAGHAVI JELODAR HASSAN; ABBASI ALI; FAZLI HASSAN

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Journal: AQUATIC PHYSIOLOGY AND BIOTECHNOLOGY Year:2016 | Volume:4 | Issue:2 Page(s): 1-17

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Title

THE STUDY OF SOME BIOLOGICAL INDICES OFALOSA FOUR SPECIES IN CASPIAN SEA COAST (MAZANDARAN PROVINCE)

Author(s)

TAGHAVI JELODAR HASSAN | ABBASI ALI | FAZLI HASSAN | Issue Writer Certificate

Keywords

CASPIAN SEAQ2

GROWTH INDICESQ2

ALOSA BRASCHNIKOWIQ1

ALOSA KESSLERIQ1

ALOSA CASPIAQ1

ALOSA SAPOSCHNIKOWIIQ1

Abstract

The objective of the present study was comparing some biological parameters including length, weight, age and sexuality of four species of genus Alosa (A. saposchnikowii, A. sapia, A. kessleri and A. braschnikowi) in coastal zone of Mazandaran province of the CASPIAN SEA. Monthly random samples were collected during October 2014 and April 2015 (249 samples). The highest total length (27.65±4.32cm) and body weight (262.05±172.25g) belonged to A.braschnikowi. There was a significant correlation between total length and body weight among four species ofAlosa (P<0.001). Sex ratio (male: female) of four species were 1.35: 1, 1.28: 1, 1: 1.4 and 2.38: 1, in respect to above mentioned order. Only the sex ratio of A. saposchnikowii (2.38: 1) was significantly different from the expected 1: 1 ratio (P<0.001). Gonadosomatic Index (GSI) among four species of Alosa was significantly different (P<0.05, F=4.04).Condition factor (CF) between four species of Alosa showed a significant difference (P<0.05, F=4.26). The results showed environmental compatibility of A. braschnikowi was better than other species.

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APA: Copy

TAGHAVI JELODAR, HASSAN, ABBASI, ALI, & FAZLI, HASSAN. (2016). THE STUDY OF SOME BIOLOGICAL INDICES OFALOSA FOUR SPECIES IN CASPIAN SEA COAST (MAZANDARAN PROVINCE). AQUATIC PHYSIOLOGY AND BIOTECHNOLOGY, 4(2), 1-17. SID. https://sid.ir/paper/261317/en

Vancouver: Copy

TAGHAVI JELODAR HASSAN, ABBASI ALI, FAZLI HASSAN. THE STUDY OF SOME BIOLOGICAL INDICES OFALOSA FOUR SPECIES IN CASPIAN SEA COAST (MAZANDARAN PROVINCE). AQUATIC PHYSIOLOGY AND BIOTECHNOLOGY[Internet]. 2016;4(2):1-17. Available from: https://sid.ir/paper/261317/en

IEEE: Copy

HASSAN TAGHAVI JELODAR, ALI ABBASI, and HASSAN FAZLI, “THE STUDY OF SOME BIOLOGICAL INDICES OFALOSA FOUR SPECIES IN CASPIAN SEA COAST (MAZANDARAN PROVINCE),” AQUATIC PHYSIOLOGY AND BIOTECHNOLOGY, vol. 4, no. 2, pp. 1–17, 2016, [Online]. Available: https://sid.ir/paper/261317/en

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