The Fecundity of Freshwater Prawn(Macrobrachiumrosenbergii) in Menduk River, Bangka, Bangka Belitung

Proceedings of the International Conference on Maritime and Archipelago (ICoMA 2018) Pub Date : 1900-01-01 DOI:10.2991/icoma-18.2019.53

E. Utami, O. Supratman

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引用次数: 1

Abstract

Freshwater Prawn (Macrobrachiumrosenbergii) in Bangka,is one of the important economic prawn.The sustainability of freshwater prawn is threatened by degradation of natural habitat. Information of reproductive aspect is needed for further management. The objective of this study was to examine fecundity of freshwater prawn. Based on the data, during sampling sex ratio showed that female freshwater prawnpopulation are greater than male population, which ratio Female: Male = 9:1. Berried female freshwater prawn found 5with mean value of fecundity was 11,808 ± 8,155. The mean value of Body Weight was 98.56 ± 74.29 gr and Total Length was 15.28 ± 3.18 cm. In general, physicochemical water parameters were ideal range for freshwater prawn to dwell. The mean values of temperature, pH value, turbidity and Dissolved Oxygen were 27.56 ± 1.02°C ; 5.56± 0.51 ; 39.66 ± 2.97; 3.09 ± 0.25respectively. The reproductive potential of freshwater prawn stock as well as an assessment on stock size of their natural population can be analyzed using the fecundity data [1]. Keywords–fecundity, sex ratio, giant freshwater Prawn

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邦喀、邦喀别里洞门德河淡水对虾(Macrobrachiumrosenbergii)的繁殖力

邦加淡水对虾(Macrobrachiumrosenbergii)是重要的经济对虾之一。淡水对虾的可持续性受到自然栖息地退化的威胁。进一步的管理需要生殖方面的信息。本研究的目的是研究淡水对虾的繁殖力。根据采样数据，雌虾种群的性别比大于雄虾种群，雌虾:雄虾的性别比为9:1。雌淡水对虾5只，平均繁殖力为11,808±8,155。平均体重为98.56±74.29克，体长为15.28±3.18 cm。一般来说，物化水参数是淡水对虾生存的理想范围。温度、pH值、浊度、溶解氧平均值为27.56±1.02℃;5.56±0.51;39.66±2.97;分别为3.09±0.25。利用繁殖力数据可以分析淡水对虾种群的繁殖潜力，并对其自然种群的种群规模进行评估[1]。关键词:繁殖力;性别比;淡水对虾

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Proceedings of the International Conference on Maritime and Archipelago (ICoMA 2018)

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