Another human footprint in the ocean: Rising anthropogenic nitrate levels in North Pacific Ocean

Human-induced changes to Earth's carbon cycle -- for example, rising atmospheric carbon dioxide and ocean acidification -- have been observed for decades. However, a new study has shown that human activities, in particular industrial and agricultural processes, have also had significant impacts on the upper ocean nitrogen cycle.



from Oceanography News -- ScienceDaily http://ift.tt/1w0nZBd

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