Iron, key for ocean plant plankton growth, shows larger variations than previously recognised, with implications for models of climate.
Microscopic marine plants, phytoplankton, lock up atmospheric carbon dioxide, but a lack of iron limits photosynthesis.
In Nature Communications, researchers report regional iron variations in the oceans of up to 10,000 times.
See full Article: http://www.bbc.co.uk/news/science-environment-23379646
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