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Tingkat pemanfaatan kerang pokea (Batissa violacea var. Zoologia, 27:54-64.Īl Hadatz, J., Bahtiar, Abdullah. Population biology and secondary production of the stout razor clam Tagelus Plebeius (bivalvia, solecurtidae) on a sand flat in Southeastern Brazil. The total population biomass was 528.03 gSFDW/m 2 with the highest biomass 171.72 gSFDW/m²/year at size 2.55-2.90 cm and the lowest was 1.40 gSFDW /m²/year at size 4.70-5.05 cm, so that the recovery rate (P/B ratio) was 2.1 gSFDW/m 2/year.Ībrahao, J. The highest and lowest production are 297.09 gSFDW/m²/year at size 2.19-2.54cm and -0.16 gSFDW /m²/year at size 4.70-5.05cm, respectively. violacea) in Langkumbe River with a total annual production of 1,107.33 gSFDW/m 2/year.
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The highest density of pokea clam was found in August at 596.8 ind/m². The total sample obtained was 1.307 individuals. Data were analyzed using standard formulas. The samples were dried using an oven for 24 hours at 70 ☌ to obtain the shell-free dry mass (SFDW). The total weight was measured with the clam/total mass (MT) and the weight of the meat.
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The samples were measured for the length, width and thickness. The sampling method used was swept area method using a traditional fishing gear "Tangge" (fishing gear). violacea) in Langkumbe River Waters of North Buton Regency from August to October 2017. The aim of this study was to determine the production and biomass of pokea clams (B. One of the resources often used by the people around Langkumbe River is pokea clams. Langkumbe River is located in West Kulisusu District and has long been used by the community for various daily activities.
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