Co-limitation of diatoms by iron and silicic acid in the equatorial Pacific

Mark A. Brzezinski^*, Stephen B. Baines, William M. Balch, Charlotte P. Beucher, Fei Chai, Richard C. Dugdale, Jeffrey W. Krause, Michael R. Landry, Albert Marchi, Chris I. Measures, David M. Nelson, Alexander E. Parker, Alex J. Poulton, Karen E. Selph, Peter G. Strutton, Andrew G. Taylor, Benjamin S. Twining