Research Article
Permanence and Optimization of Harvesting Return: A Stage-Structured Prey-Predator Fishery
Faculty of Environment and Information Sciences, Yokohama National University, 79-7, Tokiwadai, Hodogaya-ku, Yokoharna, Kanagawa 240-8501, Japan
H. Matsuda
Faculty of Environment and Information Sciences, Yokohama National University, 79-7, Tokiwadai, Hodogaya-ku, Yokoharna, Kanagawa 240-8501, Japan