Benfield et al Growth and emigration of Penseus indicus 



21 



causality. Other factors associated with declining water 

 temperatures such as food availability or predation 

 (Matylewich and Mundy 1985) may also be contributing 

 agents. 



Acknowledgments 



The authors gratefully acknowledge the financial assis- 

 tance of the South African National Committee for 

 Oceanographic Research, the cooperation of the Natal 

 Parks Game and Fish Preservation Board, D.S. Smith 

 for construction and maintenance of sampling gear, Dr. 

 P.D.M. MacDonald for providing access to his cohort 

 analysis program, the Texas A&M University Com- 

 puter Graphics Lab staff, and the comments of two 

 anonymous reviewers. 



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