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Phytoplankton are the foundation of ocean life, providing energy that supports nearly all marine species. Levels of phytoplankton in an ocean area may seem like a good predictor for the amount of fish that can be caught there, but a new study uses a mathematical model to explore the processes that mediate the transfer of energy from the base of the food web to fish. The authors found that there are large regional differences in fish catch because of how surface ocean and bottom ecosystems channel energy sources. [Source: Phys.org]
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