【摘要】 <正> 水体中溶解氧的变化规律是对虾人工育苗中为人们所密切关注的水质问题之一。吴尚懃等(1960)曾做过中国对虾从受精卵到无节幼体各期耗氧量的测定,而以后各期至今未发现有人作过测定,对于育苗中池水溶解氧的消长规律尚未见报道。为了进一步探讨并掌握对虾育苗过程中环境因子的变化规律,以达到科学地管理,保证育苗的顺利进行,我们在参加更多还原

【Abstract】 The changing mean velocities of the expended oxygen in artificial seawater used for nurturing prawn seeds are determined at pH (5.0-9.8), concentrations (1.56-7.98mg/L) of the dissolved oxygen and temperatures (15-36℃). The result shows that the expended oxygen is the highest, 0.13mg/L. h, if pH is most suitable. A correlation exists between the mean velocities of the expended oxygen, the concentration of the dissolved oxygen and thetemperatures, and the regression equations are v = 0.1278e-0.8876 /. (mg/L. h), v=0.0568 + (mg/L. h) respectively. The mean velocity of the expended oxygen tends to be stable if concentration of the dissolved oxygen and temperature are suitable.The amount of expended oxygen in each larvae stage is determined, with the Z2 and p stages being the highest.更多还原