The Length-Weight Relationships and Condition Factors of Potamocorbula faba Hinds., 1843 in the Permisan Bay, East Java, Indonesia

E3S web of conferences(2023)

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Abstract
The objective of the study was to determine the growth pattern of clam Potamocorbula faba inhabited the estuarine of Permisan Bay, Indonesia by using the Linear Allometric Model (LAM). Its also evaluated by using the length-weight relationships (LWR) and Fulton’s condition factor (K–value). A total of 7 996 specimens with length intervals of 3.5 mm to 17 mm and weight intervals of 0.013 g to 0.636 g were collected from nine sites in Permisan Bay. Based on the length-weight relationships (LWR), equations in ST–1 (0.000886870 L2.17379); ST–2 (0.000884219 L 2.15471 ); ST–3 (0.000832626 L 2.18971 ); ST–4 (0.000746758 L 2.21150 ); ST–5 (0.000687148 L 2.28593 ); ST–6 (0.000765876 L 2.23830 ); ST–7 (0.000657461 L 2.31064 ); ST–8 (0.000379673 L 2.52229 ); and ST–9 (0.000799816 L 2.22922 ) were obtained. Regarding the b–value, almost all sites showed b < 3, and thus the growth pattern could be categorized as negative allometric. Condition factor (K-value) in all nine sites ranged between 1.1101 to 1.1552. The highest K-value was from ST–7 while ST–2 showed the lowest. During the study period (September 2014 to April 2015), Fulton’s condition factor (K–value) of all nine sites was not significantly different (P > 0.05).
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Key words
indonesia,length-weight
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