1. Studies on the variability of the landlocked Ayu‐fish, Plecoglossus altivelis T. et S., in Lake Biwa. II. On the segregation of population and the various in each population;Azuma M.;Japanese Journal of Ecology,1973
2. Studies on the variability of the landlocked Ayu‐fish, Plecoglossus altivelis T. et S., in Lake Biwa. III. On the differences in the process of maturation, spawning habits and some morphological features of each population;Azuma M.;Japanese Journal of Ecology,1973
3. Studies on the variability of the landlocked Ayu‐fish, Plecoglossus altivelis T. et S., in Lake Biwa. IV. Considerations on the grouping and features of variability;Azuma M.;Japanese Journal of Ecology,1973
4. Population differentiation and temporal changes of carotenoid pigments and stable isotope ratios in the offspring of anadromous and non-anadromous troutSalmo trutta
5. Cascading Trophic Interactions and Lake Productivity