1. Agatsuma, Y., 1997. Ecological studies on the population dynamics of the sea urchin Strongylocentrotus nudus. Sci. Rep. Hokkaido Fish. exp. Stn. 51: 1–66.
2. Chamberlain, Y. M., 1993. Observations on the crustose coralline red alga Spongites yendoi (Foslie) comb. nov. in South Africa and its relationship to S. decipiens (Foslie) comb. nov. and Lithophyllum natalense Foslie. Phycologia 32: 100–115.
3. Dayton, P. K., V. Currie, T. Gerrodette, B. D. Keller, R. Rosenthal & D. V. Tresca, 1984. Patch dynamics and stability of some California kelp communities. Ecol. Monogr. 54: 253–289.
4. Fujita, D., 1989. Marine algal vegetation in the ‘Isoyake’ area at Taisei, Hokkaido. Nanki Seibutsu 31: 109–114.
5. Fujita, D., 1990. Annual growth rate of Lithophyllum yessoense. Nippon Suisan Gakkaishi, 56: 1015.