A new study published in Nature Communications has revealed that the rate of iron recycling in the Southern Ocean is declining. Iron is a vital nutrient for marine life, and this decline could have a significant impact on the ocean’s ecosystems. The study suggests that the decrease in the rate of iron recycling is caused by an increase in the amount of iron entering the ocean from the atmosphere. This is due to the increase in human activities, such as burning fossil fuels, which produce more iron-containing particles than ever before. The findings of this study are a concerning reminder of how human activities can have a detrimental effect on our oceans.

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source: Phys.org