Primary production refers to the abundance of plants on Earth—an indicator of the potential for capturing the sun's energy in complex molecules (sugars). This image shows primary production on land and in the ocean from September 1997 to August 2000.
Image credit: SeaWiFS Project, NASA/Goddard Space Flight Center, and ORBIMAGE. Public domain, via Wikimedia Commons.
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11 August 2016 - 11:43am