Seagrass
Date: 2021-12-17
A new study by an international team of researchers led by Helmholtz-Zentrum Hereon has found that some tropical seagrass meadows absorb significantly less carbon dioxide than previously thought and are accordingly less effective in removing and sequestering atmospheric CO2 and fighting climate change than previously thought.

In the warm tropical waters, the metabolic processes of seagrass converts dissolved carbonates to lime which trickles to the seafloor. This results in the loss of carbonate, which would otherwise bind carbon dioxide. "The result is that these seagrass meadows hardly bind any carbon dioxide. On the contrary, they tend to release carbon dioxide through various other biochemical processes," according to Prof. Helmuth Thomas, Director of the Hereon Institute of Carbon Cycles and a coauthor of the study. (Source: Helmholtz-Zentrum Hereon, Dec., 2021) Contact: Helmholtz-Zentrum Hereon, Prof. Helmuth Thomas, Director of the Hereon Institute of Carbon Cycles, www.hereon.de/index.php.en, Hereon Institute of Carbon Cycles, www.hereon.de/institutes/carbon_cycles/index.php.en

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