Ocean Dead Zones Are Releasing One of The Worst Greenhouse Gases
BRETT JAMESON, THE CONVERSATION
6 JULY 2021
In October 2019, I set sail with a team of scientists aboard the Canadian Coast Guard Vessel John P. Tully in the northeast Pacific Ocean, off the coast of Vancouver Island.
Battling rough seas and lack of sleep, we spent the better part of a week working shoulder-to-shoulder in a small stand-up refrigerator, analyzing seafloor sediments to learn more about the effects of low-oxygen conditions on deep-sea environments.
When organisms die, they sink through the water column, consuming oxygen in the sub-surface ocean as they decompose. This leads to bands of oxygen-depleted water called oxygen minimum zones, or dead zones .
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Two multi-year research projects led by Beneath the Waves (BTW), aimed at increasing understanding of the biodiversity of deep-sea waters in Bermuda and the Cayman Islands, were chosen to receive funding through the Darwin Plus program. The program, also known as the Overseas Territories Environment and Climate Fund, provides funding for the “conservation of unique and globally significant environments found in U.K. Overseas Territories.”
On June 5, the U.K. Government announced, as part of World Environment Day, that it would invest £8 million [approximately $9.5 million USD] over the next three years to address the global biodiversity crisis.
The BTW-led projects, which bring together partners from the scientific research, non-profit conservation, and U.S. university education sectors, as well as the Bermuda and Cayman Islands’ Governments, received competitive research grants of £316,829 and £207,681, respectively, for two, two-year studies both anticipated to b