1. Agatsuma, Y., H. Endo, S. Yoshida, C. Ikenmori, Y. Takeuchi, H. Fujishima, K. Nakajima, M. Sano, N. Kanezaki, H. Imai, N. Yamamoto, H. Kanahama, T. Matsubara, S. Takahashi, T. Isogai and K. Taniguchi; “Enhancement of Saccarina Kelp Production by Nutrient Supply in the Sea of Japan off Southwestern Hokkaido,” J. Appl. Phycol., 26, 1845–1852 (2014)
2. Fishery Agency; Kaitei Isoyake Taisaku Guideline, pp. 80–149, Tokyo, Japan (2015).
3. Fujita, D.; Barren Ground, in State of Phycology in the Early 21st Century, Hori, T., Ohno, M., Horiguchi, T., Eds., pp. 102–104, The Japanese Society of Phycology, Yamagata (2002) (in Japanese).
4. Fujita, D., N. Murase and H. Kuwahara (Eds.); Monitoring and Maintenance of Seaweed Beds, pp. 7–9, Seizando-Shoten, Tokyo, Japan (2010).
5. Ho, T. Y., A. Quigg, Z. V. Finkel, A. J. Milligan, K. Wyman, P. G. Falkowski and F. M. M. Morel; “The Elimental Composition of Some Marine Phytoplankton,” J. Phycol., 39, 1145–1159 (2003)