| Abstrakt: |
The abalone Haliotis diversicolor supertexta juveniles (shell length 3.51 ± 1.10 cm) were exposed to different concentrations of dissolved oxygen (DO) using the static renewal method at different salinity levels of 25‰ (g kg-1) and 35‰ at pH 8.04 and 22°C. The 72-, 84-, and 96-h LC50 values of DO on H. diversicolor supertexta juveniles were 1.56, 1.76, 2.02 mg L-1 at 25‰ and 1.43, 1.65, 1.83 mg L-1 at 35‰, respectively. As the salinity decreased from 35‰ to 25‰, susceptibility to DO increased by 107%, 107%, and 110% after 72-, 84-, and 96-h exposure, respectively. The relationship between LC50 of DO (mg L-1), salinity (S) and exposure time (T) in the range 72-96 h is as follows: LC50 = 0.541 - 0.012S + 0.018T (R² = 0.637). [ABSTRACT FROM AUTHOR] |
