Nature, Vol.472, No.7342, E6-E7, 2011
Is there a decline in marine phytoplankton?
McQuatters-Gollop A,
Reid PC,
Edwards M,
Burkill PH,
Castellani C,
Batten S,
Gieskes W,
Beare D,
Bidigare RR,
Head E,
Johnson R,
Kahru M,
Koslow JA,
Pena A