Xilei Liu, Ming Liu, Siti Nurafiqah Basyirah Binti Hussin
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引用次数: 1
Abstract
Length-weight relationships have been well implicated in fisheries science and population dynamics (Erzini, 1994). In practices, length-weight relationship can be used to estimate weight from length for individual fish, fish length classes, and the standing-crop biomass when the length-frequency distributing is known ( Goncalves et al., 1997; Petrakis and Stergiou, 1995). Apart from field practices, length-weight relationship has also been used to calculate the condition index of selected species as well as to compare the life history and morphological difference between populations from different regions (Nie et al., 2013; Petrakis and Stergiou, 1995). In aquaculture, length-weight relationships can also be used to assess the growth and population parameters of fish cultured in open sea rearing systems for selected species (Philipose et al., 2013).
长度-重量关系在渔业科学和种群动态中有很好的牵连(Erzini, 1994年)。在实践中，当长度-频率分布已知时，长度-重量关系可用于估计单个鱼的长度、鱼的长度类别和直立作物生物量的重量(Goncalves et al.， 1997;Petrakis and Stergiou, 1995)。除了野外实践，长权关系还被用于计算所选物种的条件指数，以及比较不同地区种群之间的生活史和形态差异(Nie et al.， 2013;Petrakis and Stergiou, 1995)。在水产养殖中，长度-重量关系也可用于评估在公海养殖系统中养殖的选定物种的生长和种群参数(Philipose et al.， 2013)。
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