Optical measurements of the amount of chlorophyll in the ocean over the span of several years have revealed that marine phytoplankton are becoming less productive because of

Question

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Optical measurements have revealed that phytoplankton productivity in the ocean has decreased over several years, and this is most likely due to global warming. The increase in temperature causes a decrease in nutrients and causes the ocean to stratify, preventing the mixing of nutrients from deeper waters to the surface, affecting phytoplankton productivity.

Optical Measurements of the Amount of Chlorophyll in the Ocean