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Abraham .
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PRODUCTIVITY OF TROPICAL LIMPET Cellana testudinaria ` (Linnaeus, 1758) LIVING ON THE ROCKY SHORE OF OHOIWAIT, SOUTHEAST MOLUCCAS, INDONESIA Abraham .
JOURNAL OF COASTAL DEVELOPMENT Vol 9, No 2 (2006): Volume 9, Number 2, Year 2006
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

Study on the productivity of tropical limpet C testudinaria has been carried out at approximatelv monthly intervals fom October 200] to September 2002. A total of 2404 limpets of 8.2 - 3],8 mm in size were obtained in ]2 month collections. The size structure of population presented 6 cohorts with accounting for 48% ofthe second cohort ofthe total population, The mean annual population biomass was estimated to be IOI3 1 748 mg AF DWm'2 or 2].8 kim`), hence the annual population production estimated by the mass specific growth rate method to be 2.8] gr.m`Z or 60. 7 K.Lm`2.yr". The annual biomass turnover ratio Qzroduction to biomass ratio, P/B) was 2. 77 yr". This value ofthe P/B ratio is higher than those obtained for other limpet species living 2 to 5 years reported by other researchers due to the diferentkaturing of growth parameters such as K = l.4 yr" and L., = 33.08 mm resulted for C. testudinaria.
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