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IJSTR >> Volume 5 - Issue 4, April 2016 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Dynamics Population Of Skipjack (Katsuwonus Pelamis) In Makassar Strait Water, South Sulawesi, Indonesia

[Full Text]

 

AUTHOR(S)

Elsa Mallawa, Achmar Mallawa, Faisal Amir

 

KEYWORDS

Skipjack, Dynamics population, Makassar Strait Water

 

ABSTRACT

Skipjack (Katsuwonus pelamis) is an important commodity which is exploited by fisherman throughout the year using various types of fishing gear, so as expected the pressure on fish populations is very high and will disrupt the sustainability of population indicted bye the small size of fish caught. This study aims to determine some parameters of population dynamics of Skipjack such as age group, growth rate, fishing mortality, the rate of exploitation, and yield per recruits was conducted on September 2015 February 2016 in the Makassar Strait Waters, South Sulawesi. The number of samples used was 3811fish with a total length range from 29.1 to 67 cm. The results showed that fish populations of Skipjack in the Makassar Strait Waters consists of three age groups where the average length of 1st, 2and, 3rd were 35.3507 cm, 44.7361 cm, and 54.2067 cm respectively and the infinity length, growth rate, and age where length of fish equal to zero were 108.1864 cm, 0.4489 per year and -0.5910 year respectively. The rate of total mortality (Z) was 0.97 per year, natural mortality (M) was 0.13 per year, fishing mortality was 0.83 per year and the rate of exploitation (E) was 0.86 per year and the yield per recruitment (Y/R) was 0.1270 g/recruitment.

 

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