BIOGRAPHICAL SKETCH 



Joseph C. Joyce was born in Jacksonville, Florida, on December 

 10, 1948. Previous degrees include a Bachelor of Science from the 

 University of Alabama in 1971 and a Master of Science from the 

 University of Alabama in 1972. He is married to Pamela Tyler Joyce and 

 has two sons, Joseph C. Joyce, Jr., and Christopher T. Joyce. During 

 the preparation of this dissertation, he was employed by the U.S. Army 

 Corps of Engineers, Jacksonville District, Florida, where he served as 

 Chief of the Natural Resource Management Section and was in charge of 

 the Corps of Engineers' Aquatic Plant Control Operational Support 

 Center. 



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