The discovery was made by the Challenger 150 project, which is funded by UNESCO and the Intergovernmental Oceanographic Commission (IOC) as part of the Ocean Decade Action (2021–2030)
The discovery was made by the Challenger 150 project, which is funded by UNESCO and the Intergovernmental Oceanographic Commission (IOC) as part of the Ocean Decade Action (2021–2030).
Significant Outcomes
Ecosystems in good health: At depths of up to 1,300 meters (Mesopelagic Zone), ecosystems were thriving, supporting a wide range of animals and featuring large corals and sponges. For example, giant icefish and sea spiders.
Encased in 150-meter-thick ice, these ecosystems had been isolated from surface nutrients that are essential for deep-sea life for generations.
Among the new species discovered are octopi, massive phantom jellyfish (up to one meter wide), big-sea spiders, and vase-shaped sponges that could be hundreds of years old.
The sea and seabed below 200 meters are referred to as "Deep-Sea Ecosystems." 90% of the marine environment on Earth is in the aphotic zone, which is the largest biome and the region where light diminishes.
Unique Biodiversity and Habitat in the Deep Sea:
Some species rely on marine snow as their main food source in the murky, dark seafloor of the Abyssal Plains.
For instance, sea cucumbers. ♦ Marine snow, which is composed of organic material that drifts down from the ocean surface, has two uses: it provides food and sequesters carbon.
Hydrothermal vents are hot, mineral-rich towers that are home to species that rely on chemosynthetic bacteria for survival. For example, tubeworms and Yeti crabs
Whale Falls: Scavengers benefit from the temporary habitat created when whale carcasses sink.
For instance, hagifish.
An Overview of Deep-Sea Ecosystem Biodiversity Adaptation
Bioluminescence: Vertical Migrations
Carbon Storage: Slow Procedures
The Significance of Climate Regulation
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