TABLE OF CONTENTS 



PAGE 



INTRODUCTION 9-1 



METHODS 9-5 



1971-1973 9-5 



1974-1977 ■ 9-6 



Hypothesis Testing 9-6 



RESULTS ■ . . . . 9-9 



Mortality 9-9 



Change in Length (Growth) 9-15 



DISCUSSION 9-19 



LITERATURE CITED. , .- 9-29 



STATISTICAL APPENDIX 9-34 



