Abstract
The 96 h LC50 value for zinc was 100 ppb. Larvae reared in 7 sublethal (1, 5, 10, 30, 50, 70, 90 ppb) and 96 h LC50 level concentrations (100 ppb) showed survival rates more than 10%, thus perfectly fitting in with definition of chronic concentration. Survival rate of larvae decreased with increase in test concentration but in the different chronic test concentrations, the overall time required for the completion of zoeal development did not differ significantly from that of control.
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Ajmalkhan, S., Rajendran, K. & Natarajan, R. Effect of zinc on zoeal development of the estuarine hermit crabClibanarius olivaceus (Henderson). Proc. Indian Acad. Sci. (Anim. Sci.) 95, 515–524 (1986). https://doi.org/10.1007/BF03179413
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DOI: https://doi.org/10.1007/BF03179413