Salinity, osmolality, and zinc uptake in Palaemon elegans (Crustacea: Decapoda)
- 1 January 1989
- journal article
- research article
- Published by Inter-Research Science Center in Marine Ecology Progress Series
- Vol. 55 (2-3) , 149-157
- https://doi.org/10.3354/meps055149
Abstract
Rates of zinc uptake by the decapod crustacean Palaemon elegans Rathke at both 316 .mu.g Zn 1-1 and 120 .mu.g Zn 1-1 depend on changes in salinity but are independent of changes in osmolality. Zinc uptake rate increases with a decrease in salinity while osmolality is held constant, but does not change if osmolality is changed while salinity is held constant. Results are consistent with the view that the bioavailability of zinc depends on the concentration of the uncomplexed free metal ion.Keywords
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