[4]Pang Shaojun and Wu Chaoyuan. Study on gametophyte veg etative growth of Undaria pinnatifida and its applications, Oceanologia et Limnologia Sinica, 1996, 14(3) 205~ 210
[5]
[5]Parson T., Maita Y. R., Lalli C. M.. A Manual of Chemical and Biological Methods for Seawater Analysis. London: Pergamon Press, 1984. 142~ 148
[6]
[6]Stumm W., Morgan J. J.. Aquatic Chemistry/ An Introduc- tion Emphasizing Chemical Equilibria in Nature Water. New York: Wiley-Interscience, 1970. 118~ 160
[7]
[7]Collos Y., Mornet F., Sciandra A. et al.. An optical method for the rapid measurement of micromolar concentrations of nitrate in marine phytoplankton cultures, J. of Applied Phy- cology, 1999,11: 179~ 184