Process returning nitrogen gas to the atmosphere

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Your new ahaDenitrification

Denitrification converts nitrate into gaseous forms of nitrogen. Source: Denitrification ↗

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24Upwelling · explain the termRECALL
The rise of deep, nutrient-rich water toward the surface.
Upwelling can support productive fisheries by feeding phytoplankton near the surface.
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25Ocean acidification · explain the termRECALL
A decrease in seawater pH caused mainly by absorbed carbon dioxide.
It can make it harder for some organisms to build shells or skeletons from calcium carbonate.
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26Sustainable fishery · the balance it seeks between harvesting and ecosystem healthRECALL
Harvesting seafood while keeping fish populations and ecosystems healthy.
Good management considers reproduction, habitat, bycatch, enforcement, and community livelihoods.
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