nitrogen cycle :

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nitrogen cycle

  • n  the circulation of nitrogen; nitrates from the soil are absorbed by plants which are eaten by animals that die and decay returning the nitrogen back to the soil
News & Articles

  • Global warming: ‘Changing the planet’
    ‘It is important to realize just how interconnected everything is.’ By Summit Voice FRISCO — The nitrogen cycle in the world’s oceans could be thrown out of whack for centuries or longer due to the rapid climate change caused by the emission of greenhouse gases. “We are changing the planet in ways we are not […]
    June 16, 2013 - Summit County Citizens Voice
  • Study of oceans' past raises worries about their future
    Scientists have now completed the first global study of changes that occurred in a crucial component of ocean chemistry, the nitrogen cycle, at the end of the last ice age. The results of their study confirm that oceans are good at balancing the nitrogen cycle on a global scale. But the data also shows that it is a slow process that may take many centuries, or even millennia, raising worries ...
    June 14, 2013 - Science Daily

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