We found that the phytoplankton's carotenoids in a small shallow lake correlate with nitrate-nitrogen. We also show that primary production and the nitrate content can be in stoichiometric relation. The results of the present study provide some materials on nitrogen limitation of freshwater aquatic systems.
Ann. Limnol. - Int. J. Lim., 54 (2018) 38
Published online: 30 November 2018