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 پایگاه استنادی علوم جهان اسلام (ISC)

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:: Volume 13, Issue 3 (2014) ::
IJFS 2014, 13 Back to browse issues page
Population dynamics of the shrimp Penaeus semisulcatus in the Yemeni Red Sea waters
M.M. Abdul-Wahab *
, wahab.mm@hotmail.com
Abstract:   (6809 Views)
Length-based analyses were conducted to assess the stock of the green tiger shrimp Penaeus semisulcatus. Monthly carapace length frequency data were collected from commercial catches at two main landing sites on the Yemeni Red Sea coast for eight months. Growth parameters, mortalities, exploitation rate and yield per recruit were estimated for this species in this area. The estimated growth parameters were CL∞ = 44.65 mm, K = 1.2 yr-1 and to = -0.15 for males and CL∞ = 58.8 mm, K = 1.4 yr-1 and to = -0.12 for females. The natural mortality coefficient (M) was estimated as 2.19 yr-1 and 2.27 yr-1 for males and females respectively. The total mortality coefficient (Z) was 6.55 yr-1 for males and 5.63 yr-1 for females. The exploitation rate was 0.67 and 0.60 for males and females, respectively. Yield per recruit analysis showed that the current exploitation rate will result in higher stock biomass than the maximum exploitation rate.
Keywords: Growth parameters, Mortalities, Exploitation rate, Length of first capture, Yield per recruit
Full-Text [PDF 695 kb]   (4127 Downloads)    
Type of Study: Orginal research papers | Subject: Biology & physiology
Received: 2015/01/17 | Accepted: 2015/01/17 | Published: 2015/01/17
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Abdul-Wahab M. Population dynamics of the shrimp Penaeus semisulcatus in the Yemeni Red Sea waters. IJFS 2014; 13 (3) :585-596
URL: http://jifro.ir/article-1-1716-en.html


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Volume 13, Issue 3 (2014) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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