Relationships between Artemia monica life history characteristics and salinity |
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| Authors: | Gayle L. Dana Robert Jellison John M. Melack Gwen L. Starrett |
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| Affiliation: | (1) Marine Science Institute and Department of Biological Sciences, University of California, 93106 Santa Barbara, CA, USA;(2) Water Quality Division, Los Angeles Dept of Water and Power, 90012 Los Angeles, CA, USA |
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| Abstract: | Relationships between Artemia monica life history characteristics and salinity were determined using data from four published studies and three experiments presented here. Salinity explained 40 to 93 percent of the variation in ten life history characteristics. Reductions in hatching success, survival, length, weight, ovigery, and brood size were observed as salinity increased from 76 to 168 g l–1. Inter-brood duration, and time to hatching and reproduction were protracted as salinity was elevated. Salinity effects on life history characteristics appeared to be gradual and continuous rather than exhibiting thresholds. The one exception was naupliar survival, which was constant between 76 and 133 g l–1 followed by a decrease above 133 g l–1. |
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| Keywords: | Artemia monica salinity effects life history characteristics |
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