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RESISTANCE PATTERNS TO SALINITY AND TEMPERATURE IN A ESTUARINE MYSID (MYSIDOPSIS BAHIA) IN RELATION TO ITS LIFE CYCLE
Citation:
McKenney, Jr., C. RESISTANCE PATTERNS TO SALINITY AND TEMPERATURE IN A ESTUARINE MYSID (MYSIDOPSIS BAHIA) IN RELATION TO ITS LIFE CYCLE. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-94/437 (NTIS PB95111811).
Description:
Survival of the estuarine mysid Mysidopsis bahia was monitored from initial release as juvenile through maturation to an adult under various combinations of salinity (3-31 0/100) and temperature (19-31 degrees C). ultiple linear regression analysis and response surface methodology were used to determine individual and interactive effects of salinity, temperature, and age on survival patterns. alinity had a greater influence on mysid survival than did temperature. owever, salinity tolerance was strongly modified by water temperature and interaction of these two dominant estuarine variables with age of the mysid. anonical analysis of the empirically derived weekly resistance patterns produced absolute maximum survival combinations for salinity and temperature which shifted over time from 23 0/00 S and 25 degrees C to 26 0/00 S and 23 degrees C by the end of the fourth week. he salinity-temperature tolerance ranges described for this estuarine mysid correspond with previously described physiological capabilities and istribution patterns.