Oleksandr Sushko, Unsplash
Carbon export from seaweed forests to deep ocean sinks
Karen Filbee-Dexter, et al., Nature Geoscience Energy Solutions Fisheries & Aquaculture
However, the fate of the flux of carbon exported from seaweed forests—the world’s largest coastal vegetated ecosystem—is a key unknown in marine carbon budgets. Here we provide national and global estimates for seaweed-derived particulate carbon export below 200 m depth, which totalled 3–4% of the ocean carbon sink capacity. We characterized export using models of seaweed forest extent, production and decomposition, as well as shelf–open ocean water exchange.
Read the full study here.
Read Cosmos Magazine's cover story here.
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