COMMITTEE

Accepted by the Graduate Faculty, Indiana University, in partial fulfillment of the requirements for the degree of Doctor of Philosophy.

Doctoral Committee:

Emilio F. Moran, Ph.D.
Eduardo S. Brondízio, Ph.D.
Paul W. Mausel, Ph.D.
J. C. Randolph, Ph.D.
Scott Robeson, Ph.D.

October 18, 2001