CATCH COMPOSITION AND FISHING TREND OF KILKA IN IRANIAN PART OF THE CASPIAN SEA

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SAYAD BOURANI MOHAMMAD; ABD ALMALEKI SH.; KHANIPOUR A.A.; FAZLI H.; KHEDMATI KAMBIZ

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Journal: Iranian Journal of Fisheries Sciences Year:2008 | Volume:7 | Issue:2 Page(s): 73-86

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Title

CATCH COMPOSITION AND FISHING TREND OF KILKA IN IRANIAN PART OF THE CASPIAN SEA

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Keywords

CLUPEONELLA ENGRAULIFORMISQ3

CATCHQ3

GROWTH COEFFICIENTQ3

AGEQ3

LENGTHQ3

CASPIAN SEAQ3

IRANQ3

Abstract

Population structure of three kilka fishes (Clupeonella spp.), particularly anchovy kilka (c. engrauliformis), in IRANian waters of the CASPIAN SEA was surveyed in 2003. A total of 3230 biweekly samples were collected from commercially landed kilka at 3 stations in Mazandaran and Guilan provinces. CATCH and effort statistics were obtained from the relevant organization. Results showed a great decline in the commercial kilka CATCH from 95000 tons in 1999 to 15497 tons in 2003. The contribution of anchovy kilka to the total kilka fishery also showed a decline from 71% in 1999 to 52.5% in 2003, while common kilka (c. cultriventris) increased from 13.7% in 1999 to 48.9% in 2003. Fork LENGTH range of anchovy kilka showed an increase from 89.2±12 mm in 1999 to 100.4±4.9 mm in 2003. The AGE composition of anchovy ranged between 1+ to 7+ years and the dominant group was 5+ years old (age group of 4+and 5+ comprised 84.6% of population). The K value and L¥ calculated 0.598/year and 110.13 mm respectively. Natural, fishing and total mortality coefficient was estimated 0.69, 0.31 and 1 per year respectively. The results showed a sex ratio of F: M= 68.2: 31.8.

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APA: Copy

SAYAD BOURANI, MOHAMMAD, ABD ALMALEKI, SH., KHANIPOUR, A.A., FAZLI, H., & KHEDMATI, KAMBIZ. (2008). CATCH COMPOSITION AND FISHING TREND OF KILKA IN IRANIAN PART OF THE CASPIAN SEA. IRANIAN JOURNAL OF FISHERIES SCIENCES, 7(2), 73-86. SID. https://sid.ir/paper/86009/en

Vancouver: Copy

SAYAD BOURANI MOHAMMAD, ABD ALMALEKI SH., KHANIPOUR A.A., FAZLI H., KHEDMATI KAMBIZ. CATCH COMPOSITION AND FISHING TREND OF KILKA IN IRANIAN PART OF THE CASPIAN SEA. IRANIAN JOURNAL OF FISHERIES SCIENCES[Internet]. 2008;7(2):73-86. Available from: https://sid.ir/paper/86009/en

IEEE: Copy

MOHAMMAD SAYAD BOURANI, SH. ABD ALMALEKI, A.A. KHANIPOUR, H. FAZLI, and KAMBIZ KHEDMATI, “CATCH COMPOSITION AND FISHING TREND OF KILKA IN IRANIAN PART OF THE CASPIAN SEA,” IRANIAN JOURNAL OF FISHERIES SCIENCES, vol. 7, no. 2, pp. 73–86, 2008, [Online]. Available: https://sid.ir/paper/86009/en

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