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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/44379

Title: The effect of salinity on the osmotic and ionic concentrations in the hemolymph of Penaeus monodon and P. penicillatus. In:J.L. Maclean, L.B. Dizon and L.V. Hosillos (eds.)
Authors: Cheng, J.H.;Liao, I C.
Date: 1986
Issue Date: 2017-11-21T08:35:41Z
Publisher: The First Asian Fisheries Forum
Abstract: Abstract:
The osmoregulation of juvenile and adult Penaeus monodon and P. penicillatus and the ionic regulation of the adults, were investigated over a salinity range of 3-50 ppt. P. monodon was found to be a stronger osmotic and ionic regulator than P. pencillatus. The juveniles of both species are stronger osmoregulators than adults. The salinity ranges over which osmoregulations were performed efficiently were 3-50 ppt for juvenile P. monodon, 15-50 ppt for adult P. monodon, 5-30 ppt for juvenile P. penicillatus and 15-30 ppt for adult P. penicillatus. The isosmotic points were 730, 750, 747 and 800 mOsm/kg, respectively. The curves of sodium, chloride and potassium corresponded to those for the osmotic concentration of adults. The respective isoionic points for P. monodon and P. penicillatus were 352 mEq/1, 348 mEq/1 for sodium; 320 mEq/1, 304 mEq/1 for chloride; and 7.1 mEq/1, 6.1 mEq/1 for potassium. Calcium was accumulated in both species, while magnesium levels were strongly reduced. P. monodon may be the strongest osmoregulator among the Penaeus species so far studied.
Relation: pp. 633-636
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/44379
Appears in Collections:[廖一久院士專區] 會議論文

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