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Kalinangan Refereed Journal

Volume no. 20 | 2014/6
Issue no. 1


Title
MODAL PROGRESSION ANALYSIS ON EXPLOITED STOCKS OF ECAPTERUS MACROSOMA (BLEEKER) FROM TWO MARINE ECOSYSTEMS IN SOUTHEAST ASIA
Author
SHOWERS, PERCIVAL ANTHONY TIMOTHY, Ph.D.
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Abstract
Two sets of length-frequency data from Java and Batangas Bay were subjected to modal progression analysis, utilizing the Bhattacharya Method and NORMSTEP routines in FiSAT. The stock samples from the Sulu-Sulawesi Sea showed faster growth and a more dynamic population-setting than those taken from Batangas Bay. Relative age of individuals ranged from 0.7 – 1.7 years in Batangas Bay and 0.5 - 2.3 years in Java. The population structures of both stocks are observed to be very different from each other even though the growth rates did not show a large difference. The Java stocks showed a more balanced and matured population structure as compared to those from Batangas Bay.
Keywords
Modal Progression Analysis, Bhattacharya Method, NORMSTEP Routines, FiSAT
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