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GROWTH AND REPRODUCTIVE PHENOLOGY OF PYROPIA<br />

VIETNAMENSIS (BANGIALES, RHODOPHYTA) GAMETOPHYTE AT<br />

TOK JEMBAL BEACH, KUALA NERUS, MALAYSIA<br />

Muhammad Faris Shahabudin<br />

Supervisor: Assoc. Prof. Dr. Siti Aishah Abdullah<br />

Bachelor of Science (Marine Biology)<br />

School of Marine and Environmental Sciences<br />

Pyropia vietnamensis was firstly discovered in Terengganu, East coast<br />

Peninsular Malaysia in February 2014 during Northeast monsoon season.<br />

Further investigation on growth and reproductive phenology of Pyropia<br />

vietnamensis was conducted in Northeast monsoon started on December 2016<br />

to end of March 2015 at rock revetment in Tok Jembal beach, Kuala Nerus.<br />

Samples were collected weekly at five sites and were preserved as dried<br />

herbarium and wet form in 5% formalin-seawater. The maximum length of<br />

blades recorded was 14.77 (±3.17) cm in site 1 on January 31 2017 and the<br />

broadest was 2.13 (±1.29) cm in site 4 on February 28 2017. The peak growth<br />

at all sites was in end of January 2017 and early February 2017. The blade<br />

became matured with presence of spermatangium and zygotoporangium that<br />

can be observed in early January 2017. Archeospores were observed in March<br />

2017. Parameters that influence the occurrence Pyropia vietnamensis were<br />

wind speed, wave height and temperature.<br />

1800 | UMT UNDERGRADUATE RESEARCH DAY 2018

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