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Scientists propose new approach to estimating global ocean productivity

Tiny marine plants known as phytoplankton provide clues to the health of the oceans and the state of the climate, but for half a century, scientists have struggled to estimate changes in the size and condition of phytoplankton stocks. A team of researchers, including Emmanuel Boss of the University of Maine School of Marine Sciences, is now reporting a major step in improving such estimates by using satellite data to determine phytoplankton growth rates and physiology.